Town guides

What a retaining wall costs, and what happens after you send the form

What does a retaining wall cost around Pittsburgh?

National cost guides put an ordinary residential retaining wall at $3,500 to $9,400, with a national average of $6,300 (LawnStarter, updated December 2025), and installed cost at $35.41 to $48.62 per square foot for installed dry-stack block up to three feet above grade, before permit fees and general contractor overhead (Homewyse, May 2026). Those are national consumer guides, not government figures and not Pittsburgh figures.

Why those numbers may not cover your wall

They price an ordinary wall, roughly three to four feet. Pennsylvania adopts IRC R404.4 through the Uniform Construction Code, which requires an engineer-stamped design over 48 inches of unbalanced fill, or over 24 inches where the wall carries a surcharge such as a slope, driveway, or structure. On Pittsburgh hillsides that threshold is crossed often, and no published index prices an engineered hillside wall or a slope stabilization job. For that work the licensed contractor who stands in your yard is the only honest source of a number. Our cost guide walks through what moves it.

How fast will someone get back to me?

Calls and form submissions reach Compass Camper LLC directly. We read the request and pass it to an independent licensed local retaining wall contractor, usually within about an hour during the day. That contractor then contacts you to look at the wall and price the work on their own schedule.

What work is covered?

Failing and leaning wall repair, repair, hillside and slope stabilization, new installation, boulder walls, and drainage.

Figures read 2026-08-17. Only the independent licensed contractor you are matched with can price your actual wall. Compass Camper LLC does not perform retaining wall work and does not quote it.