253 Monroe Street, Brooklyn, New York City: Duplex Renovation
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Duplex Renovation at 253 Monroe Street, Brooklyn, New York City was filed with New York City on June 1, 2026 with a stated construction value of $1M to $5M; 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.
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The project
| Address | 253 Monroe Street, Brooklyn, New York City |
| Project | Duplex Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Filed with the city | June 1, 2026 |
| City status | Not yet approved (DOB status: Plan Examiner Review) |
| Stated construction value | $1M to $5M |
| Estimated stage | Foundation |
| Company named on the permit | Proton Ccm LLC See the decision makers — free trial |
| Decision makers and contacts | See who to contact — free trial |
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Where this project is
- March 16, 2026Alteration: demolition · under $1M
- June 1, 2026Alteration CO: Duplex Renovation · $1M to $5M (this page)
- June 9, 2026Alteration CO: fire protection · under $1M
- July 28, 2026Alteration CO: plumbing · under $1M
- August 3, 2026Alteration CO: fire protection · under $1M
- April 2026Estimated construction start (estimate)
- April 2027Estimated completion (estimate)
How we estimate: from the same company's first permit at this address (March 2026) and this permit's stated value, with the build lengths Builtie's project feed uses (about 13 months for a job this size). It is not the builder's schedule.
Other big projects nearby
- 77 Kosciuszko Street, BrooklynNew building · $100M to $250M · April 2026
- 260 Herkimer Street, BrooklynInterior alteration · $5M to $10M · June 2026
- 1275 Fulton Street, BrooklynAlteration CO · $1M to $5M · October 2026
- 526 Nostrand Avenue, BrooklynAlteration CO · $1M to $5M · August 2026
- 300 Putnam Avenue, BrooklynAlteration · $1M to $5M · May 2026
14 projects of $1M+ were filed within 1 km in the last 12 months. See them all in Builtie →
Proton Ccm LLC has 13 other projects in Builtie
- New York City · Alteration CO · under $1M · 2026
- New York City · Alteration CO · under $1M · 2026
- New York City · Interior alteration · 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 every window below has passed (est.): the project may already be finished.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Apr 2026 – Apr 2027 | Estimate |
| Construction Site Security | Mar 2026 – Jun 2026 | Window passed (est.) |
| Concrete and Foundation | Mar 2026 – May 2026 | Window passed (est.) |
| Structural Steel | Apr 2026 – Jun 2026 | Window passed (est.) |
| Elevators | Apr 2026 – Jun 2026 | Window passed (est.) |
| Framing | Apr 2026 – Jun 2026 | Window passed (est.) |
| Painting | May 2026 – Aug 2026 | Window passed (est.) |
| Masonry | Apr 2026 – Jun 2026 | Window passed (est.) |
| Waterproofing | Apr 2026 – Jun 2026 | Window passed (est.) |
| Roofing | May 2026 – Aug 2026 | Window passed (est.) |
| Windows, Doors and Glazing | May 2026 – Jul 2026 | Window passed (est.) |
How we estimate: each bar is the share of the build, from the estimated start (April 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
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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
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- 48-45 46 Street, Queens: 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 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 253 Monroe Street, Brooklyn?
Duplex Renovation. Renovation or addition to a duplex.
Has 253 Monroe Street, Brooklyn been permitted?
Not yet. The work was filed with New York City on June 1, 2026; the city has not approved it yet (DOB status: Plan Examiner Review).
Who is building 253 Monroe Street, Brooklyn?
Proton Ccm LLC is named on the permit. The decision makers and their contacts are in Builtie.
Which trades does 253 Monroe Street, Brooklyn need now?
Estimated from the permit date, the award windows for site security; concrete; structural steel; elevator; framing; painting; masonry; waterproofing; roofing; window, door and glazing had passed by October 2026; the project may already be finished. Builtie tracks the builder's next projects.
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.