4001 18 Avenue, Brooklyn, New York City: School Renovation
School Renovation at 4001 18 Avenue, Brooklyn, New York City was permitted on August 28, 2026 with a stated construction value of under $1M. No change of use. egress, or occupancy. 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 | 4001 18 Avenue, Brooklyn, New York City |
| Project | School Renovation |
| Building type | Institutional |
| Work | Renovation or alteration |
| Permit issued | August 28, 2026 |
| 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 |
From the permit: “No change of use. egress, or occupancy”
Get new $1M+ projects in New York City every week
Plus updates on this project. Free, one email a week, unsubscribe anytime.
We email you once to confirm. Privacy
Where this project is
- Since July 20269 other permits at this address
- July 16, 2026Alteration · $1M to $5M
- July 16, 2026Alteration: excavation and shoring · under $1M
- July 16, 2026Alteration: plumbing · under $1M
- July 17, 2026Alteration · under $1M
- July 20, 2026Alteration: mechanical · under $1M
- August 28, 2026Alteration: School 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
- 1681 42 Street, BrooklynAlteration CO: structural work · $1M to $5M · March 2026
- 5025 18 Avenue, BrooklynAlteration CO: interior alteration · $1M to $5M · August 2026
- 202 Avenue C, BrooklynAlteration: demolition · $1M to $5M · June 2026
6 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: 6 to approach now, 1 passed.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Sep 2026 – Mar 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 – 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
- 369 Howard Avenue, Brooklyn: Office-to-Residential Conversion
- 1897 Crotona Avenue, Bronx: Apartment Building Renovation
- 1860 Seminole Avenue, Bronx: Commercial Project Renovation
- 345 Park Avenue South, Manhattan: Office and Tenant Fit-Out
- 267-20 74 Avenue, Queens: Parking Structure 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 4001 18 Avenue, Brooklyn?
School Renovation. No change of use. egress, or occupancy
When was the permit issued for 4001 18 Avenue, Brooklyn?
August 28, 2026, by New York City.
Who is building 4001 18 Avenue, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 4001 18 Avenue, 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.