Crack repairs and waterproofing: 3–7 days. Underpinning or wall rebuilding: 7–14 days.
Foundation Repair and Replacement Harlem | NYC Sidewalk Violations
Protecting Harlem’s Brownstones and Townhouses from the Ground Up
That’s where NYC Sidewalk Violations comes in. For over 37 years, we’ve been the go-to team for foundation repair and replacement Harlem property owners trust to get the job done right—without drama, without damage to the building’s original charm, and always in full compliance with NYC DOB and Landmarks rules. Licensed · Bonded · Fully Insured NYC DCA License #2107837-DCA • DOB Contractor ID #617843 Call us today at +1-718-550-2779 — your free estimate is just one call away.
Get a Free Sidewalk Repair Estimate
Get a Free Sidewalk Repair Estimate — we’ll respond within 24 hours.What We Fix Every Day in Harlem
Cracked and bowing front walls on classic brownstones
Sinking stoops and separating sidewalk vaults
Leaning or bulging foundation walls from soil pressure
Chronic basement flooding and high moisture
Sloping parlor floors and sticking doors on upper levels
Old rubble foundations that can no longer carry modern loads
Providing Customers with the Best SideWalk Improvement Services
How It Works — From Violation to Compliance
Our Straightforward Process
Most Harlem foundation projects are finished in 4–14 days. Tenants almost always stay in place.
Why Harlem Trusts NYC Sidewalk Violations
- 37 years working exclusively in Upper Manhattan and Harlem
- Deep experience in all four Harlem Historic Districts
- No subcontractors—only our own full-time, trained crews
- Fast violation removal for DOB and ECB notices
- Transparent pricing and flexible payment options
- 4.9-star average from hundreds of local property owners
We understand that a Harlem brownstone isn’t just real estate—it’s family history, community pride, and a long-term investment. We treat every job with that in mind.
Harlem’s streets are lined with some of the most beautiful architecture in New York City—century-old brownstones, elegant limestone row houses, and proud pre-war apartment buildings. These homes have soul, history, and character, but they also sit on foundations that have been quietly shifting for decades. Expansive clay soil, massive tree roots, old plumbing leaks, and the natural settling of time all take their toll. When cracks appear, floors start to slope, or water keeps finding its way into the basement, it’s a sign the foundation needs real attention.
Let’s Get Your Foundation Back on Solid Ground
If you’ve noticed new cracks, uneven floors, water in the basement, or a stoop pulling away from the building, don’t wait. A quick inspection now can prevent a major headache (and expense) later.
Call or text anytime NYC Sidewalk Violations: (718) 550-2779
Email: zicklin@zicklincontracting.com
We respond 7 days a week
Your home has stood strong for a century. With the right care, it will stand for another.
How long does a typical Harlem foundation repair take?
Do you work in Landmarks districts?
Yes—we regularly complete approved projects in Mount Morris Park, Strivers’ Row, and Central Harlem Historic Districts.
Can tenants stay during the work?
In most cases, yes. We focus on exterior and basement access whenever possible.
What if there’s already a DOB violation?
We specialize in lifting violations quickly and coordinate directly with the Department of Buildings.
Do you offer financing?
Yes—12- to 84-month plans available, often with low- or no-interest options.