If you already have an existing pad, sidewalk or patio in place that needs replacement, expect to pay an extra $2.50 – $5.00 per square foot for demolition and …Whereas transportation and labor are a higher percentage in traditional methods, precast concrete allocates 60% of your budget to the product. A portion of your construction budget is allocated for labor and on-site installation. In a typical construction project, labor can be up to 50% of your total budget. Concrete Delivery. $89.31 - $99.99 per cubic yard (3,000 psi 3/4" crushed stone) Labor for concrete delivery is included. Cost does include local delivery of 3,000 psi concrete (3/4" aggregate). Typically there is an increased cost for concrete demolition, additives, rebar, or wire mesh. According to QUIKRETE’s online calculator, the amount of concrete needed for a 10- by 10-foot slab depends on the thickness of the slab. For a 4-inch slab, either eight 60-pound or...Concrete Calculator NZ. Whether you’re using this as a full slab or concrete driveway cost calculator, we hope it assists in you beginning to plan out your budget for your project. It should be noted that this is just an estimate, and we recommend getting in contact with the team at Build2 for an accurate quote.Concrete Calculator NZ. Whether you’re using this as a full slab or concrete driveway cost calculator, we hope it assists in you beginning to plan out your budget for your project. It should be noted that this is just an estimate, and we recommend getting in contact with the team at Build2 for an accurate quote.Feb 14, 2024 · Updated February 14, 2024. T he average cost of concrete per yard is about $130, with a range of $120 to $150 per cubic yard. Concrete delivery is one task that’s best left to the professionals, especially for larger projects. Hiring a concrete company can save a lot of time and hassle, but you’ll usually pay extra for delivery costs. Feb 14, 2024 · Updated February 14, 2024. T he average cost of concrete per yard is about $130, with a range of $120 to $150 per cubic yard. Concrete delivery is one task that’s best left to the professionals, especially for larger projects. Hiring a concrete company can save a lot of time and hassle, but you’ll usually pay extra for delivery costs. Oct 13, 2023 · Concrete Slab Foundation Cost. A concrete slab costs about $5,200 to $21,000, based on the size and project. Your area’s climate will dictate which type you need. Besides your location, the soil type and your structural needs also play a role. Monolithic Slab Foundation. A monolithic concrete slab goes for an average of $5,200 to $13,000. As ... As a contractor, accuracy is everything when it comes to estimating concrete projects. One tool that can significantly improve the precision and efficiency of your estimates is a c...22 Feb 2023 ... I agree . Reply. Like. Reactions: Courier ...First things first. If you wonder how much it really costs to visit Christ The Redeemer, the answer is simple: it depends! There are many different ways of getting to …One of the main differences will be in the overall carbon emissions, with organisers aiming for half of the amount generated by the 2012 Olympics in London and the 2016 …Apr 20, 2023 · Across the US, homeowners report that ready – mix concrete costs $98-99 per cubic yard. The average cost of a concrete slab (6 inches thick) is $5.00-5.50 per square foot, including materials and labor. However, the price can go up to $9-10 per square foot depending on numerous factors and enhancement costs. We have collected data statewide to help calculate the average cost of concrete in Maryland. The following are average costs and prices reported back to us: Cost of Concrete Foundation Installation in Maryland. $7.80 per square foot (4 inch reinforced slab on grade) (Range: $7.38 - $8.21)Aug 8, 2020 · If you are putting in stamped concrete in a 600 sq. ft. driveway and you choose single pattern, single color material, it would cost roughly $4,800-$7,200. For the same sized driveway with a multi-patterned design, it could cost as much as $7,200-$12,000 for stamped concrete. Aug 8, 2020 · If you are putting in stamped concrete in a 600 sq. ft. driveway and you choose single pattern, single color material, it would cost roughly $4,800-$7,200. For the same sized driveway with a multi-patterned design, it could cost as much as $7,200-$12,000 for stamped concrete. R34000. R65000. Slab Concrete. With pump R17500. With Pump R30000. R50000. Labour costs are excluded and are worked out per quote with your contractor. The above prices are a general estimate for 2020. Contact [email protected] for an accurate discounted quote.As a contractor, accuracy is everything when it comes to estimating concrete projects. One tool that can significantly improve the precision and efficiency of your estimates is a c...We have collected data statewide to help calculate the average cost of concrete in Maryland. The following are average costs and prices reported back to us: Cost of Concrete Foundation Installation in Maryland. $7.80 per square foot (4 inch reinforced slab on grade) (Range: $7.38 - $8.21)How Much Will It Cost? Now choose your concrete type, enter the delivery address below and click 'Estimate Cost' to calculate the total estimated cost delivered ...Hence, the commercial production of recycled concrete aggregates from waste concrete should be promoted as a cost-effective and environmentally beneficial ...Section 1: Factors that Affect the Cost of Concrete. Material costs:The price of the finished product will be affected by the cost of the cement, sand, and aggregate that are used to make it.The location and availability of these materials can change these costs. Labor costs: The total cost of a concrete project will also depend on the …October 5, 2023 by GEGCalculators. The cost of RCC (Reinforced Cement Concrete) varies widely by location and project specifications. On average, expect to pay between $100 to $150 per cubic yard, $4 to $8 per square foot, or $45 to $85 per square meter. These estimates can fluctuate based on labor, materials, and other …Decorative concrete again costs more than grey concrete as it contains a range of different materials, stones and even different cement colours. Labour and Installation: Skilled labour is at the heart of any successful concrete project. Labour costs can fluctuate based on the complexity of the project and the …Cement dries in stages that take about 30 days to complete. It takes one to two days for cement to dry enough for people to walk on and five to seven days before people can drive o... Concrete Patio Installation. $4.80 - $6.43 per square foot (4 inch reinforced slab) Price takes into account the cost of installation of a poured concrete patio. It also includes 4" concrete patio, standard finish, and project cleanup. Price estimate excludes concrete removal, staining, odd shapes, and custom designs. Oct 13, 2023 · Concrete Slab Foundation Cost. A concrete slab costs about $5,200 to $21,000, based on the size and project. Your area’s climate will dictate which type you need. Besides your location, the soil type and your structural needs also play a role. Monolithic Slab Foundation. A monolithic concrete slab goes for an average of $5,200 to $13,000. As ... Concrete paving cost = $25-$50; Concrete resurfacing cost = $35-$45; Cleaning dirty concrete and resealing cost = $12-$15; Decorative concrete prices generally cost more than the … Concrete Sidewalk or Walkway Installation. $6.57 - $7.33 per square foot (4 inch reinforced slab) This is an estimated cost for concrete sidewalk installation. Items included: 4 inch concrete slab and ground preparation. Price excludes concrete demolition, stamping, and staining. If the average price is $4 to $15 per square foot, then labor usually makes up about $1.60 to $6 per square foot, and the cost of concrete materials make up the rest.Concrete Patio Installation. $4.57 - $6.13 per square foot (4 inch reinforced slab) Includes the cost of concrete patio installation labor. Price accounts for minor leveling, ground preparation, and 4" reinforced concrete slab. Items excluded: concrete demolition, stamped concrete, and stained concrete.For basic concrete resurfacing without intricate designs or decorative elements, you can expect an average cost of $3 to $5 per square foot. This method typically includes surface preparation ...8. Calculate Total Costs Add all the costs together to reach your total. 9. Seek a Second Opinion Ask someone you trust to review the estimate before you submit it. This can help avoid costly mistakes. 10. Review & Send Review your concrete cost estimate one more time, and hit the send button. 11.Concrete House Slab. Size: A typical house slab in North Carolina might range from 2,000 to 2,500 square feet with a standard 4-inch thickness.; Total Cost: Approximately $16,000 to $28,000.; This cost includes excavation, site preparation, concrete mix, reinforcement (if required), labor, and finishing. Concrete Shed Slab. …Concrete Patio Installation. $5.28 - $7.07 per square foot (4 inch reinforced slab) This installation of a poured concrete patio cost estimate considers the cost of labor. Price takes into account 4" concrete patio, standard finish, and project cleanup. Excludes concrete removal, staining, odd shapes, and custom designs. A typical yard of concrete costs between $113 and $126, or about $2.83 to $3.57 per square foot of concrete. It will cost an additional $2.52 to $2.60 per square foot for the labor. Price per cubic yard varies depending on thickness, additives, and the difficulty of your installation. If $113-$126 per cubic yard seems like it can fit into your ... Expect to pay between £90 and £95 per m3 for grades C20/C25. For grades C30/C35, the average price per m3 is between £95 and £100. Concrete pouring costs roughly £100 – £105 per m3 if you want grades C40/C45 instead. Because ready-mixed concrete is supplied by volume, it’s crucial to know how much …Many ready mix providers in Denver determine that any load below 7 yards is a short load. Short load fees are charged in addition to the concrete yardage you ...The cost of RCC (Reinforced Cement Concrete) varies widely by location and project specifications. On average, expect to pay between $100 to $150 per cubic yard, $4 to $8 per square foot, or $45 to $85 per square meter. These estimates can fluctuate based on labor, materials, and other factors, so obtaining local quotes is essential for ...A cement wall gives your yard extra privacy, helps you define your outdoor spaces and can add a unique look to your home. If you’re willing to put in the time, you can construct yo...Concrete Mix – Concrete costs an average of $100 per cubic yard according to NRMCA. Concrete Slabs – Pricing and Installation Cost Checklist. Expect the Concrete Slabs … Concrete Patio Installation. $5.41 - $7.25 per square foot (4 inch reinforced slab) This is a general price for installation of a poured concrete patio. Cost includes 4" concrete patio, standard finish, and project cleanup. Excludes concrete removal, staining, odd shapes, and custom designs. Oct 7, 2023 · Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. Calculate for quantity of items to fill for a total project need of cement in cubic feet and cubic yards. Yardage of concrete. The cost of concrete resurfacing will change based on what type of overlay you have selected. A basic overlay costs $5 per square foot, a decorative overlay costs $8, and a stamped overlay is priced at $14. You can also expect the cost of concrete resurfacing to change based on the area that will be worked on.Concrete House Slab. Size: A typical house slab in North Carolina might range from 2,000 to 2,500 square feet with a standard 4-inch thickness.; Total Cost: Approximately $16,000 to $28,000.; This cost includes excavation, site preparation, concrete mix, reinforcement (if required), labor, and finishing. Concrete Shed Slab. … Our concrete calculator for slabs is a good way to estimate how much concrete mix you’ll need to purchase. You can use this estimating tool as a concrete bag calculator. Once you enter the length, width and depth of the slab, Lowe’s concrete slabs calculator estimates the number of 80-lb bags of concrete you’ll need. Concrete Patio Installation. $5.28 - $7.07 per square foot (4 inch reinforced slab) This installation of a poured concrete patio cost estimate considers the cost of labor. Price takes into account 4" concrete patio, standard finish, and project cleanup. Excludes concrete removal, staining, odd shapes, and custom designs.This Concrete Myrtle Beach Quote Includes: $3.00 to $3.00 per square foot material costs. Average labor costs to install concrete pads in Myrtle Beach, South Carolina. Average costs for materials and equipment for concrete in Myrtle Beach. All project costs (surface preparation, components and machinery), and cleanup fees.. Cost. Concrete is priced at $125 per cubic yard on average, with prices ranging from $110 to $165 per cubic yard nationwide. See Pricing in Your Area. Need …Oct 7, 2023 · Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. Calculate for quantity of items to fill for a total project need of cement in cubic feet and cubic yards. Yardage of concrete. Concrete Block Wall Installation. $9.37 - $11.66 per square foot. Price of block wall installation is included. It also accounts for the cost of site preparation, standard concrete blocks (8”x8”x16”), mortar cement, materials, and cleanup. Cost excludes retaining walls, drainage systems, demolition, wall caps, painting, brick walls ...Polished Concrete Cost. Economical: You can expect to pay between $3 and $12 per square foot for polished concrete, depending on your location and the complexity of the project. Polished concrete pricing is dependent upon how many levels of grinding are needed to get the floor to a smooth surface. …Stamped concrete cost can range from $8 to $18+ per square foot depending on your location and design choices. While stamped concrete prices and higher than ...Typically you can expect to pay between $250 and $350 per cubic metre of concrete within Sydney and the West. This will be higher for loads under 4m3 as ...The cost of foundation replacement typically ranges from $5,000 to $15,000, for an average cost of $10,000. A concrete slab foundation, also called a slab-on-grade foundation, is poured directly ...How much does a culvert cost? Most people hire a professional when installing a culvert for their driveway, which, depending on the length and type of pipe required, can cost anywhere between $800 to $8,000. What is a concrete box culvert? Overview.Concrete Cost Guide offers cost estimates on Concrete in Spokane. Get accurate prices to Concrete in Spokane for 2024, as reported by homeyou customers.We have collected data statewide to help calculate the average cost of concrete in Washington. The following are average costs and prices reported back to us: Cost of Concrete Foundation Installation in Washington. $6.31 per square foot (4 inch reinforced slab on grade) (Range: $5.97 - $6.65)Concrete costs an average of $117 per cubic yard, with a typical range between $104 and $144 per cubic yard. Concrete costs per yard will vary depending on …Concrete Patio Installation. $4.44 - $5.95 per square foot (4 inch reinforced slab) This price includes installation of a poured concrete patio. No additional charge for 4" concrete patio, standard finish, and project cleanup. Cost does not account for concrete removal, staining, odd shapes, and custom designs.Concrete Costs Explained: How Much Is Concrete Per Square Foot. The cost of concrete per square foot can vary depending on several factors such as location, project size, and type of concrete. On average, the cost can range from $3 to $10 per square foot. However, it is important to note that this is just a general … Concrete Patio Installation. $4.80 - $6.43 per square foot (4 inch reinforced slab) Price takes into account the cost of installation of a poured concrete patio. It also includes 4" concrete patio, standard finish, and project cleanup. Price estimate excludes concrete removal, staining, odd shapes, and custom designs. Concrete Delivery. $89.31 - $99.99 per cubic yard (3,000 psi 3/4" crushed stone) Labor for concrete delivery is included. Cost does include local delivery of 3,000 psi concrete (3/4" aggregate). Typically there is an increased cost for concrete demolition, additives, rebar, or wire mesh. **65 MPa Mixes and Higher includes HSF Cement, Superplasticizer and Temperature Control. Segmentation Pricing. RESIDENTIAL HOUSING. Price. Footings & Walls 20 ...When you need to clean oil stains from concrete, there are a variety of ways to handle the task. When your car springs an oil leak on your driveway, you can use WD-40 for cleaning ...For basic concrete resurfacing without intricate designs or decorative elements, you can expect an average cost of $3 to $5 per square foot. This method typically includes surface preparation ...Low End: $7 per square foot. High End: $25.25 per square foot. The typical price range for stamped concrete runs between $9 and $16.25 per square foot. Prices will vary depending on your slab’s shape, pattern complexity, and strength. In some cases, you might pay as little as $7 per square foot for a basic …Concrete Patio Installation. $6.03 - $8.08 per square foot (4 inch reinforced slab) Price of installation of a poured concrete patio is included. It also accounts for the cost of 4" concrete patio, standard finish, and project cleanup. Cost excludes concrete removal, staining, odd shapes, and custom designs.Ready-Mixed Concrete costs will be determined by a number of factors including, concrete mix type, volume and the inclusion of any additives or fibres. The best way to start, is by calculating the volume of Concrete you need, using our Concrete calculator below. Our extensive Barrel Mixer fleet means we can provide the most …The different types of concrete is one of the most influenced factors that determine the price of concrete slabs. Spray-on concrete is the most affordable type of concrete that costs in a range from $50 to $75 per m2. Plain concrete follows with the prices from $60 to $85 per m2. Reinforced concrete cost ranges between …A Concrete Price Calculator serves as a helpful tool for contractors, builders, and individuals planning construction projects. It aids in budgeting, estimating material costs, and making informed decisions regarding concrete quantities and pricing, facilitating project planning and cost management. The Concrete Price … Concrete Pricing. Without delivery or installation, concrete alone runs anywhere from $3 to $15 per cubic foot. You’ll spend less per cubic foot if you purchase in bulk versus buying bags. In bulk, you’ll purchase in cubic yards, not feet. Look for 40-, 50-, 60- or 80-pound bags, which have between 1/3 to 3/5 of a cubic foot of concrete. The cost of concrete itself will impact your final costs. For bigger projects, like pouring a driveway, you’ll want to order concrete by the cubic yard. On average, concrete costs about $130 per cubic yard, with a range of $110 to $150 per cubic yard. Another option is to order concrete by the truckload, which typically …Typically you can expect to pay between $250 and $350 per cubic metre of concrete within Sydney and the West. This will be higher for loads under 4m3 as suppliers charge additional fees. To give you an idea of why it's important to compare the market, the following prices were collected over the phone* during 9 March 2016 …Do you know how to pour concrete footings? Find out how to pour concrete footings in this article from HowStuffWorks. Advertisement If you are building your own deck or pier on the...Concrete Sidewalk or Walkway Installation. $7.82 - $8.73 per square foot (4 inch reinforced slab) Price of concrete sidewalk installation is included. It also accounts for the cost of minor leveling, 4" slab, and site preparation. Cost excludes concrete demolition, stamping, and …Driveway replacement costs $4 to $15 per square foot to redo when removing the old driveway. The average cost to build a 24'x24' driveway is $1,700 to $6,900 for materials and installation. Driveway prices depend on the size, material (concrete, asphalt, gravel, etc.), and if it's a new install or replacement. New …Most contractors charge an average of $9 per square foot for concrete sidewalk projects, but prices vary based on the project. You can calculate your pathway’s square footage by multiplying the total length and width. Sidewalk Size. Average Cost. 3-by-20 feet (60 sq.ft.) $360 – $720. 4-by-20 feet (80 sq. ft.) $480 – $960.The cost to stain concrete flooring will cost anywhere from $400 to $2,900 for a typical 200-square-foot room. One gallon of concrete stain costs between $35 to $80 on average .The average cost of concrete slab installation is around $5,400. Most concrete slab projects cost between $3,600 and $7,200. Residential concrete slabs are useful for supporting the weight of cars ...Concrete prices (4,000 PSI): $131 to $147 per yard. Concrete prices (5,000 PSI): $140 to $157 per yard. Concrete cost (concrete delivery cost per truck): Concrete delivery cost (delivery only) ranges from $80 to $280 per truck load. This is a service charge and does not include material. These prices can vary significantly based …Decorative or stamped concrete edging costs $3.50 to $8.50 per linear foot for materials only. Contractors use specialized colors and stamps on poured concrete curbing to make it look like stone or brick. A stamped concrete patio costs $5 to $12 per square foot or $3,800 to $8,500 on average installed. A …Concrete Patio Installation. $5.41 - $7.25 per square foot (4 inch reinforced slab) This is a general price for installation of a poured concrete patio. Cost includes 4" concrete patio, standard finish, and project cleanup. Excludes concrete removal, staining, odd shapes, and custom designs.Concrete Patio Installation. $4.49 - $6.01 per square foot (4 inch reinforced slab) This is an estimated cost for installation of a poured concrete patio. Items included: 4" concrete patio, standard finish, and project cleanup. Price excludes concrete removal, staining, odd shapes, and custom designs.Expect to pay between £90 and £95 per m3 for grades C20/C25. For grades C30/C35, the average price per m3 is between £95 and £100. Concrete pouring costs roughly £100 – £105 per m3 if you want grades C40/C45 instead. Because ready-mixed concrete is supplied by volume, it’s crucial to know how much …Concrete cost (concrete delivery cost per truck): Concrete delivery cost (delivery only) ranges from $60 to $360 per truck load. This is a service charge and does not include material. These prices can vary significantly based on the number of trucks required, the amount of concrete ordered, traffic, and project …Across Canada, homeowners report that ready–mix concrete costs about $108 per cubic yard. The average cost of a concrete slab (6 inches thick) is about $5.00-5.50 per square foot, including both materials and labor. However, the price can go up to $9-10 per square foot depending on multiple factors and enhancement decisions …When you need to clean oil stains from concrete, there are a variety of ways to handle the task. When your car springs an oil leak on your driveway, you can use WD-40 for cleaning ...Costs can range from $2 per square foot for a basic to $30 or more for high-end artistically rendered floors. Basic design: $2 to $6 per square foot. A basic concrete floor design includes pouring the slab or overlay, then a basic polishing and single colorizing treatment (staining or dyeing). Mid-range design: …Cost to Pour a Concrete Patio Slab. The first step to creating a stamped concrete patio is to pour a concrete slab. This has a cost of $90-$100 per cubic yard poured, or around $410 for a 200 sq.ft. slab that is 4-inches thick. This is incorporated into the cost of the total project, along with the added cost of the …Whether you're planning a new concrete driveway, path, or patio, or pouring a new concrete slab, you’ll need to know the approximate volume of concrete to get an accurate quote as concrete prices in New Zealand are based on a per cubic metre rate. Use the concrete calculator below to work out the volume of the area to be …10 Aug 2022 ... To make concrete, you need cement, and like almost everything, the price of this material is going up. Kitv's 4's Cynthia Yip tells us how ...Concrete cost (concrete delivery cost per truck): Concrete delivery cost (delivery only) ranges from $60 to $360 per truck load. This is a service charge and does not include material. These prices can vary significantly based on the number of trucks required, the amount of concrete ordered, traffic, and project …Hawaii Concrete and Cement Company. ... Ready Mix Concrete Price List (Oahu). Zone. - Any -, Plant, Zone 1, Zone 2, Zone 3 ...Concrete Patio Installation. $6.03 - $8.08 per square foot (4 inch reinforced slab) Price of installation of a poured concrete patio is included. It also accounts for the cost of 4" concrete patio, standard finish, and project cleanup. Cost excludes concrete removal, staining, odd shapes, and custom designs. Renting a concrete mixer costs roughly $50 per day on average or $200 per week for a portable cement mixer you can fit in a pickup bed. Pull-behind rentals go for about $75 per half-day, $100 per day, or $400 per week. A cement mixer usually comes on a trailer and needs a truck to haul it to the worksite. Average Concrete Prices Near You Concrete Patio Installation. $6.72 - $9.01 per square foot (4 inch reinforced slab) This estimate includes installation of a poured concrete patio. Also includes 4" concrete patio, standard finish, and project cleanup. There is an additional cost for concrete removal, staining, odd shapes, and custom designs.Concrete cost (concrete delivery cost per truck): Concrete delivery cost (delivery only) ranges from $60 to $360 per truck load. This is a service charge and does not include material. These prices can vary significantly based on the number of trucks required, the amount of concrete ordered, traffic, and project …May 1, 2023 · The amount of concrete you need for a 10x10 slab depends on how thick it will be. So, for a 4-inch slab you’ll need 1.24 cubic yards (56 80lb bags), but a 6-inch slab requires 1.85 yards (84 80lb bags). If your slab is a different size or thickness, use our calculator to determine the amount of concrete. Expect to pay between £90 and £95 per m3 for grades C20/C25. For grades C30/C35, the average price per m3 is between £95 and £100. Concrete pouring costs roughly £100 – £105 per m3 if you want grades C40/C45 instead. Because ready-mixed concrete is supplied by volume, it’s crucial to know how much …Concrete Floor Coating Application. $3.31 - $5.15 per square foot (solid based epoxy) Cost assumes a typical epoxy coating a concrete floor. Estimate accounts for surface preparation, solvent-based epoxy floor coating, and cleanup. Price does not account for concrete repairs, anti-slip additives, and decorative finishes.The cost of RCC (Reinforced Cement Concrete) varies widely by location and project specifications. On average, expect to pay between $100 to $150 per cubic yard, $4 to $8 per square foot, or $45 to $85 per square meter. These estimates can fluctuate based on labor, materials, and other factors, so obtaining local quotes is essential for ... Concrete Sidewalk or Walkway Installation. $6.57 - $7.33 per square foot (4 inch reinforced slab) This is an estimated cost for concrete sidewalk installation. Items included: 4 inch concrete slab and ground preparation. Price excludes concrete demolition, stamping, and staining. Concrete prices (4,000 PSI): $119 to $134 per yard. Concrete prices (5,000 PSI): $127 to $143 per yard. Concrete cost (concrete delivery cost per truck): Concrete delivery cost (delivery only) ranges from $70 to $260 per truck load. This is a service charge and does not include material. These prices can vary significantly based …The cost of foundation replacement typically ranges from $5,000 to $15,000, for an average cost of $10,000. A concrete slab foundation, also called a slab-on-grade foundation, is poured directly ...The average cost of a concrete slab is $8.21 per square foot for materials and installation. Based on this average cost, a 10x10 concrete slab will cost $821, a 20x20 concrete slab will cost $3,284, and a 30x30 concrete slab will cost $7,398. The cost of a concrete slab depends on many factors, including …A retaining wall costs $20 to $50 per square foot on average or up to $150 per square foot for complex layouts, specialty materials, and sloped or limited-access sites. Cost per square foot to build a retaining wall. Wall type. Total cost per square foot. Cinder block (CMU) $20 – $35. Poured concrete. ---1