284 4 Avenue, Brooklyn, New York City: Mixed-Use Building
Mixed-Use Building at 284 4 Avenue, Brooklyn, New York City was permitted on April 1, 2026 with a stated construction value of under $1M. Proposed new fourteen story and cellar mixed use building. 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 | 284 4 Avenue, Brooklyn, New York City |
| Project | Mixed-Use Building |
| Building type | Residential |
| Work | New building |
| Permit issued | April 1, 2026 |
| Stated construction value | under $1M |
| Estimated stage | Framing |
| Company named on the permit | Reveal the builder — free trial |
| Decision makers and contacts | See who to contact — free trial |
From the permit: “Proposed new fourteen story and cellar mixed use building”
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Where this project is
- Since March 20261 other permit at this address
- March 5, 2026Alteration: site protection · under $1M
- March 10, 2026New construction
- April 1, 2026New construction: Mixed-Use Building · under $1M (this page)
- June 12, 2026New construction
- June 12, 2026New construction
- July 13, 2026Alteration: structural work · under $1M
- May 2026Estimated construction start (estimate)
- November 2026Estimated 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
- 653 Baltic Street, BrooklynNew building · $10M to $25M · March 2026
- 175 3 Street, BrooklynNew construction · $5M to $10M · March 2026
- 506 6 Street, BrooklynAlteration: facade work · $5M to $10M · February 2026
- 317 Hoyt Street, BrooklynAlteration: roofing · $5M to $10M · March 2026
- 423 Baltic Street, BrooklynAlteration · $1M to $5M · July 2026
25 projects of $1M+ were permitted within 1 km in the last 12 months. See them all in Builtie →
The company behind this project has 6 other projects in Builtie
- ████████ ConstructionNew York City · Interior alteration · under $1M · 2026
- ████████ ConstructionNew York City · New construction: demolition · under $1M · 2026
- ████████ ConstructionNew York City · Demolition · 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.) | May 2026 – Nov 2026 | Estimate |
| Construction Site Security | Apr 2026 – May 2026 | Window passed (est.) |
| Painting | May 2026 – Jul 2026 | Window passed (est.) |
| Masonry | May 2026 | Window passed (est.) |
| Waterproofing | May 2026 | Window passed (est.) |
| Roofing | May 2026 – Jun 2026 | Window passed (est.) |
| Windows, Doors and Glazing | May 2026 – Jun 2026 | Window passed (est.) |
| Electrical | May 2026 – Jul 2026 | Window passed (est.) |
| HVAC and Mechanical | May 2026 – Jul 2026 | Window passed (est.) |
| Plumbing | May 2026 – Jul 2026 | Window passed (est.) |
| Fire Protection | May 2026 – Jul 2026 | Window passed (est.) |
How we estimate: each bar is the share of the build, from the estimated start (May 2026) to the estimated completion (November 2026) 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
- 1003 Southern Boulevard, Bronx: Apartment Building Renovation
- 1536 51 Street, Brooklyn: 6-Storey Apartment Building Renovation
- 100 Barrow Street, Manhattan: Apartment Building Renovation
- 211 West 84 Street, Manhattan: Apartment Building Renovation
- 2824 Plumb 3 Street, Brooklyn: 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 284 4 Avenue, Brooklyn?
Mixed-Use Building. Proposed new fourteen story and cellar mixed use building
When was the permit issued for 284 4 Avenue, Brooklyn?
April 1, 2026, by New York City.
Who is building 284 4 Avenue, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 284 4 Avenue, Brooklyn need now?
Estimated from the permit date, the award windows for site security; painting; masonry; waterproofing; roofing; window, door and glazing; electrical; HVAC; plumbing; fire protection 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.