Retaining wall estimates are usually sent after a site visit, where you measure the wall length and height, check access, and look at the soil and drainage. Homeowners often compare two or three bids, so clear scope and material details matter as much as price. Written quotes also protect you when site conditions change.
When to use estimates: Use estimates to provide project quotes and get client approval before starting work. Once approved, convert your estimate to an invoice with one click to collect payment.
Create an invoice for payment collection
Upload logo
PDF will be generated with filename:
Invoice_1001_Client_2026-10-14.pdf
These drive cost and determine whether engineering or a permit is needed. Listing the block or stone type avoids substitutions being questioned later.
Gravel depth, drain pipe, fabric, and backfill type are where cheaper bids cut corners. Spelling them out shows what the client is paying for.
State clearly who is responsible and whether fees are included, so these costs do not surprise the client.
Removing old timber or failed block and trucking away soil can be a large cost and is often assumed to be included.
State how unexpected rock, buried lines, or groundwater will be handled and priced, ideally with a per-hour or per-yard rate.
Limited access may require hand carrying or smaller equipment. Say whether lawn, irrigation, and landscaping repair are included.
Material prices shift and weather delays work. A set expiration and schedule keep the price and timeline realistic.
| Service | Priced | Typical range |
|---|---|---|
| Segmental concrete block wall (installed, under 4 ft) | per sq ft of face | $25-55 |
| Natural stone or boulder wall (installed) | per sq ft of face | $35-85 |
| Poured concrete wall (installed, with forms and rebar) | per sq ft of face | $40-90 |
| Pressure-treated timber wall (installed) | per sq ft of face | $20-40 |
| Excavation and base prep, gravel and drain pipe | per linear ft | $15-40 |
| Geogrid reinforcement | per sq ft of grid | $2-6 |
| Skid steer or mini excavator with operator | per hour | $100-180 |
| Laborer or crew member | per hour | $40-75 |
Typical US ranges. Rates vary by region, experience, and job size.
Start with a per-square-foot rate for the material, then add for walls over 3 to 4 feet, tight access, steep slopes, or curves. Taller walls need more base, grid, and labor per foot.
Block and stone typically need 5 to 10 percent extra for cuts and breakage, and delivery fees can be significant. Price these in rather than absorbing them.
Showing a basic block, an upgraded block, and natural stone side by side helps clients choose by budget and reduces haggling over price.
Quotes valid for 14 to 30 days protect you from changes in material and fuel costs, and nudge clients to book a start date.
Many contractors give free estimates for standard residential walls. For large or engineered projects that need survey, soil testing, or design work, charge a fee and credit it to the job if the client hires you.
Give a price for the construction based on a stated design assumption, and note that the final price may change once the stamped plans are done. Or quote the engineering as a separate first phase.
Offer scope changes instead of a discount, such as a shorter wall, a different block, or the client handling cleanup. That keeps your margin and gives them a lower number.
Not by itself. Once the client accepts, have both parties sign a contract or a signed copy of the quote with payment terms and change order language. Check your state for required contract wording.
Use the Retaining Wall Contractor invoice template to bill the client, or convert this estimate once it's approved.
Retaining Wall Contractor invoice template