# NYC Retaining Walls | Retaining Wall Contractor NYC: Repair, Rebuild, LL37

> Licensed and insured retaining wall contractor for all 5 NYC boroughs: repair, rebuilds, new walls and Local Law 37 repairs. Free site visit. Call today.

URL: https://nycretainingwalls.com/

![Inspector holding a level against a tall mortared fieldstone retaining wall on a hillside street on Staten Island](https://nycretainingwalls.com/images/inspector-checking-lean-of-fieldstone-retaining-wall-staten-island-hillside-1440.webp)

# NYC Retaining Walls — Licensed Retaining Wall Contractor in New York City, NY

Five boroughs of hills. _Held in stone._

[NYC Retaining Walls](https://nycretainingwalls.com/) is a licensed and insured retaining wall contractor for NYC's five boroughs. We measure your wall, find out why it's moving, and put a line-item price in writing before any work starts — repair, stabilization or a full rebuild.

[Book a free site visit](https://nycretainingwalls.com/contact/) [Call (718) 555-0100](tel:+17185550100)

-   Free site visit
-   Licensed & insured
-   Written line-item price
-   All five boroughs

Hillside wall · Staten Island  
Mortared fieldstone · approx. 9 ft

-   Walls 4 ft+ or carrying a surcharge need a DOB permit — 1 RCNY §101-14
-   Local Law 37: walls 10 ft+ fronting a public right-of-way, inspected every 5 years
-   Filing windows: Staten Island 2026 · Queens 2027 · Brooklyn 2028 · Bronx 2029 · Manhattan 2030
-   Drainage zone: clean crushed stone, filter fabric, perforated pipe that daylights
-   Segmental walls reinforced with geogrid to the engineer's design
-   Lot-line walls are shared 50/50 — NYC Admin Code §28-305.1
-   Written contract required on home improvement jobs over $500 — NY GBL §771

## Is one of these _your wall?_

-   ### [It's leaning or bulging](https://nycretainingwalls.com/leaning-retaining-wall-repair/)
    
    A lean that grows between two measurements a month apart is active movement. Anchors can often stop it without tearing the wall out.
    
-   ### [You got a DOB or Local Law 37 letter](https://nycretainingwalls.com/retaining-wall-violation-repair/)
    
    An Unsafe rating must be corrected within 90 days of the report, and late filing now costs $1,000 a month (1 RCNY §103-09).
    
-   ### [Water is coming through the face](https://nycretainingwalls.com/retaining-wall-drainage/)
    
    Wet stains, white mineral bloom or soil washing out at the toe mean the drainage behind the wall has failed — and the pressure on it has gone up.
    
-   ### [The old wall is done](https://nycretainingwalls.com/retaining-wall-replacement/)
    
    Rotted railroad ties, crumbling block, a wall that's rotating at the base: some walls are past repair, and a rebuild is the cheaper answer over ten years.
    

## Retaining wall services, _built into the hill._

Repairs, rebuilds, new walls and Local Law 37 compliance, built to the same standard: a drained backfill zone, a proper footing, and reinforcement where height and load call for it.

-    [![Contractor's gloved hand holding a crack-width gauge against a diagonal crack in a poured-concrete retaining wall above a weep hole](https://nycretainingwalls.com/images/crack-width-card-on-stepped-crack-in-concrete-retaining-wall-800.webp) 01 · Most requested
    
    ### Retaining Wall Repair
    
    Cracks, failed drainage, loose stone and block, cap and face repairs — fixed at the cause, not just patched.](https://nycretainingwalls.com/retaining-wall-repair/)
-    [![Compact excavator removing a failed, leaning concrete block retaining wall in a Queens side yard](https://nycretainingwalls.com/images/demolishing-failed-concrete-block-retaining-wall-queens-800.webp) 02
    
    ### Retaining Wall Replacement
    
    Demolition and rebuild of walls that are rotating, collapsing or past their service life — built to stamped plans.](https://nycretainingwalls.com/retaining-wall-replacement/)
-    [![Worker setting the first course of segmental retaining wall blocks on a compacted gravel leveling pad with a string line](https://nycretainingwalls.com/images/setting-first-course-segmental-block-on-gravel-leveling-pad-800.webp) 03
    
    ### Retaining Wall Installation
    
    New engineered walls with a proper footing, drainage zone and reinforcement — permits and plans coordinated.](https://nycretainingwalls.com/retaining-wall-installation/)
-    [![Very tall weathered concrete retaining wall with water staining beside a public stairway in upper Manhattan](https://nycretainingwalls.com/images/tall-concrete-retaining-wall-along-public-stair-upper-manhattan-800.webp) 04 · Staten Island due 12/31/2026
    
    ### Retaining Wall Inspection
    
    Local Law 37 compliance: we coordinate an independent QRWI, prepare the wall, and handle required repairs.](https://nycretainingwalls.com/retaining-wall-inspection/)
-    [![Bulging stone retaining wall temporarily shored with timber bracing behind safety fencing on a Bronx sidewalk](https://nycretainingwalls.com/images/stone-retaining-wall-shored-with-timber-bracing-bronx-sidewalk-800.webp) 05 · Urgent
    
    ### Retaining Wall Violation Repair
    
    SREM and Unsafe ratings, DOB violations and complaints — repairs scheduled against your deadline.](https://nycretainingwalls.com/retaining-wall-violation-repair/)
-    [![Freshly stripped poured concrete retaining wall with form-tie holes beside a new driveway](https://nycretainingwalls.com/images/freshly-stripped-poured-concrete-retaining-wall-form-ties-800.webp) 06
    
    ### Concrete Retaining Walls
    
    Poured reinforced-concrete and CMU walls for tall grade changes, driveways and tight lots.](https://nycretainingwalls.com/concrete-retaining-walls/)
-    [![Layer of geogrid reinforcement rolled out over compacted fill behind a segmental block retaining wall under construction](https://nycretainingwalls.com/images/geogrid-layer-rolled-behind-segmental-block-retaining-wall-800.webp) 07
    
    ### Block Retaining Walls
    
    Segmental block walls with geogrid reinforcement — terraces, yards and replacements for failed timber walls.](https://nycretainingwalls.com/block-retaining-walls/)
-    [![Gloved hands setting a gray stone into a dry-laid natural stone retaining wall](https://nycretainingwalls.com/images/hands-placing-stone-in-dry-laid-retaining-wall-riverdale-800.webp) 08
    
    ### Stone Retaining Walls
    
    Natural stone and fieldstone walls built and restored — repointing, resetting and matching old stone.](https://nycretainingwalls.com/stone-retaining-walls/)
-    [![Perforated drain pipe bedded in clean crushed stone and filter fabric behind a retaining wall](https://nycretainingwalls.com/images/perforated-drain-pipe-in-crushed-stone-behind-retaining-wall-800.webp) 09
    
    ### Retaining Wall Drainage Repair
    
    Weep holes, perforated pipe and clean-stone drainage zones that take the water pressure off the wall.](https://nycretainingwalls.com/retaining-wall-drainage/)

Specialty work

-   [Leaning Retaining Wall Repair](https://nycretainingwalls.com/leaning-retaining-wall-repair/)
-   [Railroad Tie Retaining Wall Replacement](https://nycretainingwalls.com/railroad-tie-retaining-wall-replacement/)
-   [Driveway Retaining Walls](https://nycretainingwalls.com/driveway-retaining-walls/)
-   [Hillside Retaining Walls](https://nycretainingwalls.com/hillside-retaining-walls/)
-   [Shared Retaining Wall Repair](https://nycretainingwalls.com/shared-retaining-walls/)

## Why owners call _NYC Retaining Walls._

-   01
    
    ### Retaining walls are the focus
    
    Site visits, estimates and repairs here are about one thing: walls that hold back soil — how they're drained, footed, reinforced and filed.
    
-   02
    
    ### Numbers on the first visit
    
    Measured height, length and lean, a crack map and a DOB records check — not a guess from the curb.
    
-   03
    
    ### A written, line-item price
    
    Repair, stabilize or rebuild, priced side by side, with engineering and permit steps spelled out.
    
-   04
    
    ### Licensed and insured
    
    Licensed and insured for home improvement work in New York City, and we build to stamped plans when the code calls for them.
    

## How a retaining wall job runs, _start to finish._

1.  01
    
    ### Call or send photos
    
    A live person answers. Tell us where the wall is and what changed.
    
2.  02
    
    ### Free site visit
    
    Height, length, lean, cracks, drainage and DOB records — measured and photographed.
    
3.  03
    
    ### Written scope and price
    
    Line items for repair, stabilization or rebuild, plus any engineer or permit steps.
    
4.  04
    
    ### Build and closeout
    
    Clean site, before-and-after photos, and paperwork for your insurer or inspector.
    

Tell us what your wall _is doing._

A live person answers. We'll ask five questions and book a free site visit.

[Get a free site visit](https://nycretainingwalls.com/contact/) [Call (718) 555-0100](tel:+17185550100)

Callback within 1 business hour · Mon–Sat, 7am–7pm

![Newly built two-tier segmental block retaining wall with clean drainage stone behind it in a Queens backyard](https://nycretainingwalls.com/images/two-tier-segmental-block-retaining-wall-queens-backyard-1440.webp)

Two-tier block wall · Queens backyard · drainage zone backfilled

Published pricing

## What retaining walls _cost_ in NYC.

Published cost-guide figures, adjusted by the RSMeans New York City cost index (129.1). Your written price comes from a site visit; these ranges tell you whether you're in the right ballpark.

-   ### [Retaining wall repair](https://nycretainingwalls.com/guide/retaining-wall-repair-cost-nyc/)
    
    Anchoring a leaning section: ~$75–$105 / linear ft · Rebuilding a failed section: ~$90–$160 / linear ft
    
    $325 – $1,600typical minor repair
    
-   ### [New segmental block wall](https://nycretainingwalls.com/guide/retaining-wall-cost-nyc/)
    
    Geogrid and drainage zone included · Engineering extra on walls 4 ft+
    
    $20 – $45per sq ft of wall face
    
-   ### [Poured concrete wall](https://nycretainingwalls.com/concrete-retaining-walls/)
    
    Reinforced, on a formed footing · Best for tall walls and driveways
    
    $26 – $65per sq ft of wall face
    

What moves the price: exposed height (and whether it crosses 4 ft, which brings an engineer and a DOB permit), access (a rear-yard wall reached by hand through a rowhouse costs more than a wall at the curb), demolition and disposal of the old wall, the drainage work behind it, and permit and filing fees.

[Open the cost estimator](https://nycretainingwalls.com/tools/retaining-wall-cost-estimator/) [Full NYC cost guide](https://nycretainingwalls.com/guide/retaining-wall-cost-nyc/)

Sources: HomeGuide (2026), HomeAdvisor (June 2026), Fixr (Jan 2025); Gordian RSMeans City Cost Index.

Free site visit

## Get a written price _on your wall._

Two quick steps. We call back within one business hour during business hours, and the site visit is free whether or not you hire us.

What you get

Measured height, length and lean, a crack map, a DOB records check, and a line-item price.

What it costs

Nothing.

What we'll ask

Where the wall is, roughly how tall, and what changed.

### Request a free site visit

Callback within 1 business hour · [(718) 555-0100](tel:+17185550100)

Thanks, we have your request.

Callback within 1 business hour. If it's urgent, call [(718) 555-0100](tel:+17185550100).

## DIY, cheap operator, or _built properly._

| Factor | DIY | Cheap operator | Built properly |
| --- | --- | --- | --- |
| Drainage behind the wall | Native soil backfill | A little gravel, no pipe | 12 in+ of clean crushed stone, filter fabric, perforated pipe that daylights |
| Footing | Set on topsoil or sod | Shallow, uncompacted | Compacted base, sized and set below the frost line to the design |
| Reinforcement | None | None | Geogrid or rebar to an engineer's design where height and load call for it |
| Permit and engineer (walls 4 ft+ or surcharged) | Skipped | Skipped or "not needed" | Stamped plans and a DOB filing |
| Local Law 37 (10 ft+ on a right-of-way) | Unknown | Ignored | Built and documented so the QRWI report goes smoothly |
| Paperwork you keep | None | A handwritten estimate | Written contract, line-item scope, closeout photos |
| Where it usually fails | First freeze-thaw seasons | Within a few years, at the drainage | Designed to carry its load for decades |

## Retaining wall service areas, _borough by borough._

We cover all five boroughs, with deeper local pages where the permit and violation data show the most retaining-wall work.

[All service areas](https://nycretainingwalls.com/service-areas/)

-   ![Steep residential street on Staten Island lined with stone retaining walls and stairs up to houses](https://nycretainingwalls.com/images/stone-retaining-walls-on-steep-street-staten-island-800.webp)
    
    ### [Staten Island](https://nycretainingwalls.com/service-areas/staten-island/)
    
    LL37 due 12/31/2026
    
    Hillside, driveway and timber-replacement walls, and the 2026 Local Law 37 window.
    
-   ![Hillside street in Riverdale, the Bronx, with tall stone retaining walls under large trees](https://nycretainingwalls.com/images/stone-retaining-walls-along-hillside-street-riverdale-bronx-800.webp)
    
    ### [The Bronx](https://nycretainingwalls.com/service-areas/bronx/)
    
    Rock-ridge walls, co-op and apartment walls, and the most LL37 enforcement in the city.
    
-   ![Sloped street in Douglaston, Queens, with low stone retaining walls along front yards](https://nycretainingwalls.com/images/sloped-street-with-stone-front-yard-walls-douglaston-queens-800.webp)
    
    ### [Queens](https://nycretainingwalls.com/service-areas/queens/)
    
    LL37 window: 2027
    
    Moraine hills on the north shore, rising groundwater in the southeast, and the 2027 window.
    
-   ![Brick row houses in Bay Ridge, Brooklyn, with stepped front yards held by low retaining walls](https://nycretainingwalls.com/images/stepped-front-yards-with-retaining-walls-bay-ridge-brooklyn-800.webp)
    
    ### [Brooklyn](https://nycretainingwalls.com/service-areas/brooklyn/)
    
    LL37 window: 2028
    
    Rowhouse rear-yard walls, subway-cut walls, and the ridge from Green-Wood to Bay Ridge.
    
-   ![Tall retaining wall and public stairs below apartment buildings on a hillside in Inwood, Manhattan](https://nycretainingwalls.com/images/retaining-wall-and-stairs-below-apartment-buildings-inwood-manhattan-800.webp)
    
    ### [Manhattan](https://nycretainingwalls.com/service-areas/manhattan/)
    
    Tall walls on the schist of upper Manhattan — the walls Local Law 37 was written for.
    

## Retaining wall questions NYC owners _ask first._

**### How much does a retaining wall cost in NYC?**

Most new residential retaining walls in NYC fall between about $20 and $65 per square foot of wall face, depending on material: segmental block at the low end, poured concrete in the middle, natural stone higher. A 40-foot wall 3 feet high in block is about 120 square feet, so roughly $2,400 to $5,400 before engineering, demolition or difficult access.

**### Do I need a permit to build a retaining wall in NYC?**

You need a DOB permit if the wall is 4 feet or taller, measured from the top of the footing, or if it supports a surcharge such as a driveway, a building or sloped ground above it. Those walls need plans filed by a licensed engineer or architect. Lower walls with nothing loading them don't need a permit (1 RCNY §101-14).

**### What is Local Law 37 and does it apply to my wall?**

Local Law 37 of 2008 requires any retaining wall 10 feet or taller at any point that fronts a public right-of-way — a sidewalk, street, alley or public stair — to be inspected every five years by a Qualified Retaining Wall Inspector, a New York–licensed engineer. Staten Island's report is due by December 31, 2026, Queens' in 2027 and Brooklyn's in 2028.

**### Who is responsible for a retaining wall between two properties?**

In New York City, a wall on the common lot line is the joint responsibility of both owners, split half and half (NYC Admin Code §28-305.1.1). A wall entirely on one lot belongs to that owner, and an owner who changes the grade has to build and maintain the wall on their own property at their own cost.

**### Can a leaning retaining wall be fixed without replacing it?**

Often, yes. If the wall body is sound and the lean comes from soil and water pressure, helical anchors or tiebacks drilled through the wall into stable ground can hold it in place for a fraction of a rebuild's cost. If the wall is rotating at the footing or breaking apart, a rebuild is the honest answer.

**### Does homeowners insurance cover a retaining wall collapse?**

Usually not when the cause is soil movement, water pressure or age — standard policies exclude those. A sudden event, like a car or a falling tree hitting the wall, may be covered under Other Structures, typically 10% of the dwelling limit on a standard HO-3 policy. Check your policy's exclusions and ask your agent before work starts.

Start with _the wall._

Free site visit, written line-item price, all five boroughs.

[Request a free site visit](https://nycretainingwalls.com/contact/) [Call (718) 555-0100](tel:+17185550100)

Callback within 1 business hour · Mon–Sat, 7am–7pm