500 Madison Street, Brooklyn, New York City: Duplex Renovation
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Duplex Renovation at 500 Madison Street, Brooklyn, New York City was filed with New York City on October 22, 2026 with a stated construction value of under $1M; the city has not approved it yet (DOB status: Plan Examiner Review). Renovation or addition to a duplex. 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 | 500 Madison Street, Brooklyn, New York City |
| Project | Duplex Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Filed with the city | October 22, 2026 |
| City status | Not yet approved (DOB status: Plan Examiner Review) |
| Stated construction value | under $1M |
| Estimated stage | Permit |
| Company named on the permit | Reveal the builder — free trial |
| Decision makers and contacts | See who to contact — free trial |
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Where this project is
- September 9, 2026Alteration CO: conversion to residential · under $1M
- October 22, 2026Alteration CO: Duplex Renovation · under $1M (this page)
- September 2026Estimated construction start (estimate)
- April 2027Estimated completion (estimate)
How we estimate: from the same company's first permit at this address (September 2026) and this permit's 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
- 93 Lewis Avenue, BrooklynAlteration: facade work · $10M to $25M · April 2026
- 125 Stuyvesant Avenue, BrooklynAlteration: facade work · $5M to $10M · March 2026
- 260 Herkimer Street, BrooklynInterior alteration · $5M to $10M · June 2026
- 150 Malcolm X Boulevard, BrooklynAlteration: plumbing · $1M to $5M · July 2026
- 281 Throop Avenue, BrooklynAlteration: facade work · $1M to $5M · September 2026
17 projects of $1M+ were filed within 1 km in the last 12 months. See them all in Builtie →
The company behind this project has 5 other projects in Builtie
- ████████ ConstructionNew York City · Alteration CO: roofing · under $1M · 2026
- ████████ ConstructionNew York City · Alteration CO: conversion to residential · 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: 6 to approach now, 1 passed.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Sep 2026 – Apr 2027 | Estimate |
| Excavation and Site Work | Sep 2026 | Window passed (est.) |
| Construction Site Security | Sep 2026 – Oct 2026 | Approach now |
| Concrete and Foundation | Sep 2026 – Oct 2026 | Approach now |
| Structural Steel | Sep 2026 – Oct 2026 | Approach now |
| Elevators | Sep 2026 – Nov 2026 | Approach now |
| Framing | Sep 2026 – Nov 2026 | Approach now |
| Painting | Oct 2026 – Dec 2026 | Approach now |
How we estimate: each bar is the share of the build, from the estimated start (September 2026) to the estimated completion (April 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 · Concrete and Foundation leads in New York City · Structural Steel leads in New York City · Elevators 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
- 201 Wilson Avenue, Brooklyn: 3-Storey Apartment Building Renovation
- 198 Windsor Place, Brooklyn: Duplex Renovation
- 2409 Adam Clayton Powell Jr Boulevard, Manhattan: 5-Storey Apartment Building Renovation
- 1 Fifth Avenue, Manhattan: Apartment Building Renovation
- 252a 22 Street, 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 500 Madison Street, Brooklyn?
Duplex Renovation. Renovation or addition to a duplex.
Has 500 Madison Street, Brooklyn been permitted?
Not yet. The work was filed with New York City on October 22, 2026; the city has not approved it yet (DOB status: Plan Examiner Review).
Who is building 500 Madison Street, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 500 Madison Street, Brooklyn need now?
Estimated as of October 2026, the trades to approach now are site security, concrete, structural steel, elevator, framing and painting. Already passed: excavation and site work.
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.