450 Macdonough Street, Brooklyn, New York City: Two-Family House Renovation
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Two-Family House Renovation at 450 Macdonough Street, Brooklyn, New York City was filed with New York City on August 27, 2026 with a stated construction value of under $1M; the city has not approved it yet (DOB status: Objections). Renovation or addition to a two-family house. Builtie tracks the project's stage, the trades still being bought and the people who decide.
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The project
| Address | 450 Macdonough Street, Brooklyn, New York City |
| Project | Two-Family House Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Filed with the city | August 27, 2026 |
| City status | Not yet approved (DOB status: Objections) |
| Stated construction value | under $1M |
| Estimated stage | Foundation |
| Company named on the permit | Arkenstone Builders Inc. See the decision makers — free trial |
| Decision makers and contacts | See who to contact — free trial |
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Where this project is
- August 12, 2026Alteration: demolition · under $1M
- August 27, 2026Alteration CO: Two-Family House Renovation · under $1M (this page)
- October 16, 2026New building · under $1M
- October 22, 2026New building · under $1M
- September 2026Estimated construction start (estimate)
- March 2027Estimated completion (estimate)
How we estimate: from the same company's first permit at this address (August 2026) and this permit's 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
- 150 Malcolm X Boulevard, BrooklynAlteration: plumbing · $1M to $5M · July 2026
- 794 Monroe Street, BrooklynAlteration: demolition · $1M to $5M · April 2026
- 33 Saratoga Avenue, BrooklynAlteration: facade work · $1M to $5M · July 2026
- 926 Herkimer Street, BrooklynNew building · $1M to $5M · May 2026
- 246 Patchen Avenue, BrooklynAlteration CO · $1M to $5M · April 2026
10 projects of $1M+ were filed within 1 km in the last 12 months. See them all in Builtie →
Arkenstone Builders Inc. has 37 other projects in Builtie
- New York City · Alteration: facade work · under $1M · 2026
- New York City · Alteration CO: roofing · under $1M · 2026
- New York City · Alteration CO: 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: 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 | Sep 2026 – Nov 2026 | Approach now |
| Windows, Doors and Glazing | Sep 2026 – Oct 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.
Find work like this in New York City
Leads for your trade: Construction Site Security leads in New York City · Structural Steel leads in New York City · Elevators leads in New York City · Framing leads in New York City · every trade in New York City.
More projects: every New York City project of $1M+ by address · major projects in New York City.
Compare tools: The Best Construction Lead Generation Software in New York.
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
- 132-35 156 Street, Queens: Single-Family House Renovation
- 48 Wall Street, Manhattan: Office and Tenant Fit-Out
- 1500 East 92 Street, Brooklyn: Institutional Project Renovation
- 221 West 230 Street, Bronx: Office and Tenant Fit-Out
- 520 Gates Avenue, Brooklyn: 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 450 Macdonough Street, Brooklyn?
Two-Family House Renovation. Renovation or addition to a two-family house.
Has 450 Macdonough Street, Brooklyn been permitted?
Not yet. The work was filed with New York City on August 27, 2026; the city has not approved it yet (DOB status: Objections).
Who is building 450 Macdonough Street, Brooklyn?
Arkenstone Builders Inc. is named on the permit. The decision makers and their contacts are in Builtie.
Which trades does 450 Macdonough Street, 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.