401 Park Avenue, Brooklyn, New York City: Apartment Building Renovation
Apartment Building Renovation at 401 Park Avenue, Brooklyn, New York City was permitted on August 19, 2026 with a stated construction value of under $1M. Change in use from manufacturing to residential. no change in egress, floor area, bulk and height under this application. 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 | 401 Park Avenue, Brooklyn, New York City |
| Project | Apartment Building Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Permit issued | August 19, 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: “Change in use from manufacturing to residential. no change in egress, floor area, bulk and height under this application”
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Where this project is
- June 15, 2026Interior alteration · under $1M
- June 25, 2026Alteration: mechanical · under $1M
- July 1, 2026Alteration CO · under $1M
- July 22, 2026Alteration CO: structural work · under $1M
- August 19, 2026Alteration CO: Apartment Building Renovation · under $1M (this page)
- 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, including 3 more conversions within 1 km
- 77 Kosciuszko Street, BrooklynNew building · $100M to $250M · April 2026
- 14 Ryerson Street, BrooklynAlteration CO: conversion to residential · $25M to $50M · March 2026
- 69 Taaffe Place, BrooklynNew building · $10M to $25M · September 2026
- 141 Spencer Street, BrooklynAlteration CO: roofing · $5M to $10M · April 2026
- 124 Washington Avenue, BrooklynAlteration CO: conversion to residential · $1M to $5M · May 2026
21 projects of $1M+ were permitted within 1 km in the last 12 months. See them all in Builtie →
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.
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
- 695 Park Avenue, Manhattan: School Renovation
- 164 Canal Street, Manhattan: Office and Tenant Fit-Out
- 200 Park Avenue South, Manhattan: Commercial Project Renovation
- 1251 Avenue Of The Americas, Manhattan: Office and Tenant Fit-Out
- 200 Lafayette Street, Manhattan: Institutional Project 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 401 Park Avenue, Brooklyn?
Apartment Building Renovation. Change in use from manufacturing to residential. no change in egress, floor area, bulk and height under this application
When was the permit issued for 401 Park Avenue, Brooklyn?
August 19, 2026, by New York City.
Who is building 401 Park Avenue, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 401 Park Avenue, 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.