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A marketing service, not a licensed contractor. Retaining wall work is performed by independent licensed local contractors.
Allegheny Wall Works

Allegheny County, PA / Town guide

Retaining walls in Monroeville

Allegheny Wall Works connects Monroeville homeowners with licensed local retaining wall contractors for wall repair, replacement, and new installation, starting with a free, no-obligation assessment. Below is the local context that actually matters here: the terrain, the permit triggers, and the age of the walls.

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The ground in Monroeville

Monroeville occupies an upland plateau cut by tributaries of Turtle Creek, with residential plans rolling across side hills off the William Penn Highway spine. Grades drop steeply toward the Turtle Creek valley on the municipality’s southern and western edges, and driveway and backyard walls in the postwar plans are reaching the age where drainage failures show up as leaning.

The bedrock story is the same across the metro: weak red-bed claystone that loses strength when wet, under a slow-creeping blanket of colluvium. Walls doing real structural work are a common sight around Garden City, the William Penn Highway corridor, the Old William Penn Highway area and the slopes above Turtle Creek. The landslide guide explains why that combination deserves respect.

Permit rules in Monroeville

Monroeville enforces the statewide baseline below. A specific municipal threshold for this municipality is not published in a form this site has verified, so treat the baseline as the floor, not the whole answer.

Statewide baseline (every municipality)

Engineered design required over 48 in of unbalanced fill, or over 24 in of wall height carrying a surcharge such as a slope, driveway, or structure

Source: IRC R404.4 via the PA Uniform Construction Code

Confirm the exact local permit threshold with the Monroeville building department before starting work. The metro-wide picture lives in the Allegheny County permit guide.

Wall age in Monroeville

Monroeville boomed as a postwar suburb from the 1950s through the 1970s. Across Allegheny County, the median home build year is 1957 and 28.1 percent of homes predate 1940 (US Census ACS 2020 to 2024 five-year estimates).

Walls age like the houses they came with. If a wall here is leaning, bulging, or shedding material, the failing wall page covers what an assessment looks for, and the hillside page covers slopes that are moving with or without a wall.

Cost, response, and scope

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

What does a retaining wall cost in Monroeville?
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.

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.

Nearby town guides

Updated