638 East 12 Street, Manhattan, New York City: 3-Storey Office-to-Residential Conversion

3-Storey Office-to-Residential Conversion at 638 East 12 Street, Manhattan, New York City was permitted on June 5, 2026 with a stated construction value of $1M to $5M. The project is a proposed conversion of an existing 3-story commercial building and enlargement from a 3-story to a 6-story residential building, as shown on plans. Floors 1-6 will be Residential use; there is no Cellar. 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 | 638 East 12 Street, Manhattan, New York City |
| Project | 3-Storey Office-to-Residential Conversion |
| Building type | Residential |
| Work | Renovation or alteration |
| Permit issued | June 5, 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: “The project is a proposed conversion of an existing 3-story commercial building and enlargement from a 3-story to a 6-story residential building, as shown on plans. Floors 1-6 will be Residential use; there is no Cellar”
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
- 2040 First Avenue, Manhattan: Apartment Building Renovation
- 59-55 47 Avenue, Queens: Apartment Building Renovation
- 141 East 23 Street, Manhattan: Apartment Building Renovation
- 109-59 Inwood Street, Queens: Institutional Project Renovation
- 1040 Washington Avenue, Bronx: Office-to-Residential Conversion
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 638 East 12 Street, Manhattan?
3-Storey Office-to-Residential Conversion. The project is a proposed conversion of an existing 3-story commercial building and enlargement from a 3-story to a 6-story residential building, as shown on plans. Floors 1-6 will be Residential use; there is no Cellar
When was the permit issued for 638 East 12 Street, Manhattan?
June 5, 2026, by New York City.
Who is building 638 East 12 Street, Manhattan?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 638 East 12 Street, Manhattan 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.
