21 Saint Marks Place, Brooklyn, New York City: 3-Storey Apartment Building Renovation
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3-Storey Apartment Building Renovation at 21 Saint Marks Place, Brooklyn, New York City was permitted on August 18, 2026 with a stated construction value of under $1M. Existing 3 stories and cellar (3) three family dwelling units ,to be fully renovated, new drywalls partitions and plumbing fixtures. new rear metal passage to yard and metal stairs, and new stair bulkhed.at roof. Builtie tracks the project's stage, the trades still being bought and the people who decide.
The same four steps, whether the buyer is a builder, a designer, an owner or a company you want to acquire.
The project
| Address | 21 Saint Marks Place, Brooklyn, New York City |
| Project | 3-Storey Apartment Building Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Permit issued | August 18, 2026 |
| Stated construction value | under $1M |
| Estimated stage | Foundation |
| Company named on the permit | Reveal the builder — free trial |
| Decision makers and contacts | See who to contact — free trial |
From the permit: “Existing 3 stories and cellar (3) three family dwelling units ,to be fully renovated, new drywalls partitions and plumbing fixtures. new rear metal passage to yard and metal stairs, and new stair bulkhed.at roof”
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Where this project is
- April 8, 2026Alteration: plumbing · under $1M
- June 5, 2026Alteration · under $1M
- July 30, 2026Alteration: site protection · under $1M · filed as 21 St Marks Place, Brooklyn
- August 18, 2026Alteration: 3-Storey Apartment Building Renovation · under $1M (this page)
- October 2, 2026Alteration · under $1M
- September 2026Estimated construction start (estimate)
- March 2027Estimated completion (estimate)
How we estimate: from the permit date and its stated value, with the build lengths Builtie's project feed uses (about 7 months for a job this size). It is not the builder's schedule.
Other big projects nearby
- 370 Livingston Street, BrooklynNew construction · $10M to $25M · April 2026
- 653 Baltic Street, BrooklynNew building · $10M to $25M · March 2026
- 175 3 Street, BrooklynNew construction · $5M to $10M · March 2026
- 317 Hoyt Street, BrooklynAlteration: roofing · $5M to $10M · March 2026
- 89 Dekalb Avenue, BrooklynInterior alteration · $5M to $10M · May 2026
35 projects of $1M+ were filed within 1 km in the last 12 months. See them all in Builtie →
The company behind this project has 22 other projects in Builtie
- ████████ ConstructionNew York City · Alteration CO: conversion to residential · under $1M · 2026
- ████████ ConstructionNew York City · Alteration CO: plumbing · under $1M · 2026
- ████████ ConstructionNew York City · Alteration CO: conversion to residential · under $1M · 2026
Which trades are being bought now
When each trade on this project is usually picked, in calendar months (estimate). As of October 2026: 9 to approach now, 1 passed.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Sep 2026 – Mar 2027 | Estimate |
| Construction Site Security | Aug 2026 – Oct 2026 | Approach now |
| Concrete and Foundation | Sep 2026 | Window passed (est.) |
| Structural Steel | Sep 2026 – Oct 2026 | Approach now |
| Elevators | Sep 2026 – Oct 2026 | Approach now |
| Framing | Sep 2026 – Oct 2026 | Approach now |
| Painting | Sep 2026 – Nov 2026 | Approach now |
| Masonry | Sep 2026 – Oct 2026 | Approach now |
| Waterproofing | Sep 2026 – Oct 2026 | Approach now |
| Roofing | Oct 2026 – Nov 2026 | Approach now |
| Windows, Doors and Glazing | Sep 2026 – Nov 2026 | Approach now |
How we estimate: each bar is the share of the build, from the estimated start (September 2026) to the estimated completion (March 2027) above, when the builder usually picks that trade. It is not the builder's schedule.
Find work like this in New York City
Leads for your trade: Construction Site Security leads in New York City · Structural Steel leads in New York City · Elevators leads in New York City · Framing leads in New York City · every trade in New York City.
More projects: every New York City project of $1M+ by address · major projects in New York City.
Compare tools: The Best Construction Lead Generation Software in New York.
What Builtie adds
In Builtie: the decision makers on this project and their verified contacts, the trades already credited on it, the builder's other active permits, and LinkedIn and email outreach that runs while you work.
Other major projects in New York City
- 261 5 Avenue, Manhattan: Office and Tenant Fit-Out
- 1506 East 4 Street, Brooklyn: Single-Family House Renovation
- 700 Evergreen Avenue, Brooklyn: 3-Storey Mixed-Use Building Renovation
- 115-43 125 Street, Queens: Two-Family House Renovation
- 2307 Ocean Parkway, Brooklyn: Single-Family House Renovation
All of them: construction projects in New York City by address. All five boroughs are in the feed, which has run since February 27, 2026. New York issues separate permits for each trade, so the firm named on a permit is often the trade contractor, an engineer or an expediter rather than the developer. Builtie groups the permits into projects and resolves the owner and builder separately.
Plans
Builtie's Starter plan is $79 per seat per month for 20 projects; Growth is $99 for 50 projects and adds the LinkedIn and email outreach you run yourself. Opening a project spends one credit, and the decision makers, emails, phones and AI call script inside it are included. Your monthly credits reset at each renewal, and extra credit packs are valid for 30 days. The free trial runs 7 days with 10 projects. Custom, where Builtie's team runs the outreach for you, starts from $1,500 a month on top of a Growth seat.
Frequently asked questions
What is being built at 21 Saint Marks Place, Brooklyn?
3-Storey Apartment Building Renovation. Existing 3 stories and cellar (3) three family dwelling units ,to be fully renovated, new drywalls partitions and plumbing fixtures. new rear metal passage to yard and metal stairs, and new stair bulkhed.at roof
When was the permit issued for 21 Saint Marks Place, Brooklyn?
August 18, 2026, by New York City.
Who is building 21 Saint Marks Place, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 21 Saint Marks Place, Brooklyn need now?
Estimated as of October 2026, the trades to approach now are site security; structural steel; elevator; framing; painting; masonry; waterproofing; roofing; window, door and glazing. Already passed: concrete.
What does Builtie cost?
Starter is $79 per seat per month for 20 projects; Growth is $99 for 50 projects and adds LinkedIn and email outreach. There is a 7-day free trial with 10 projects.