141 Willoughby Street, Brooklyn, New York City: Office-to-Residential Conversion
Office-to-Residential Conversion at 141 Willoughby Street, Brooklyn, New York City was permitted on August 19, 2026 with a stated construction value of $1M to $5M. Conversion of existing commercial building to residential. 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 | 141 Willoughby Street, Brooklyn, New York City |
| Project | Office-to-Residential Conversion |
| Building type | Residential |
| Work | Renovation or alteration |
| Permit issued | August 19, 2026 |
| Stated construction value | $1M to $5M |
| Estimated stage | Foundation |
| Company named on the permit | Resolved in Builtie |
| Decision makers and contacts | In Builtie |
From the permit: “Conversion of existing commercial building to residential”
Which trades are being bought now
The project is at the foundation stage. At that stage these trades are inside their award window, the stretch of the build when the builder or general contractor decides who gets the work:
| Trade | Award window |
|---|---|
| Construction Site Security | Before the start to 15% |
| Concrete and Foundation | Before the start to 5% |
| Structural Steel | 0% to 15% |
| Elevators | 0% to 20% |
| Framing | 0% to 20% |
| Painting | 5% to 35% |
| Masonry | 10% to 30% |
| Waterproofing | 10% to 35% |
| Roofing | 15% to 35% |
| Windows, Doors and Glazing | 15% to 35% |
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
- 45-40 Anable Street, Queens: Parking Structure Renovation
- 1048 Boynton Avenue, Bronx: Apartment Building Renovation
- 1579 Vyse Avenue, Bronx: Apartment Building Renovation
- 9820 Seaview Avenue, Brooklyn: 2-Storey Apartment Building Renovation
- 505 East 79 Street, Manhattan: Apartment Building 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 (CAD) 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 CAD $1,500 a month on top of a Growth seat.
Frequently asked questions
What is being built at 141 Willoughby Street, Brooklyn?
Office-to-Residential Conversion. Conversion of existing commercial building to residential
When was the permit issued for 141 Willoughby Street, Brooklyn?
August 19, 2026, by New York City.
Who is building 141 Willoughby Street, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 141 Willoughby Street, Brooklyn need now?
At its current stage: site security, concrete, structural steel, elevator, framing, painting, masonry, waterproofing.
What does Builtie cost?
Starter is $79 per seat per month (CAD) 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.