523 Fulton Street, Brooklyn, New York City: Office and Tenant Fit-Out
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Office and Tenant Fit-Out at 523 Fulton Street, Brooklyn, New York City was permitted on August 13, 2026 with a stated construction value of under $1M. Tenant improvement of a single tenant space. No change to use, egress or occupancy. Builtie tracks the project's stage, the trades still being bought and the people who decide.
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The project
| Address | 523 Fulton Street, Brooklyn, New York City |
| Project | Office and Tenant Fit-Out |
| Building type | Commercial |
| Work | Renovation or alteration |
| Permit issued | August 13, 2026 |
| Stated construction value | under $1M |
| Estimated stage | Excavation |
| Company named on the permit | Gemstar Construction Corp See the decision makers — free trial |
| Decision makers and contacts | See who to contact — free trial |
From the permit: “Tenant improvement of a single tenant space. No change to use, egress or occupancy”
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Where this project is
- Since March 20266 other permits at this address
- March 5, 2026Interior alteration · under $1M
- May 27, 2026Alteration: structural work · under $1M
- June 1, 2026Alteration · under $1M
- August 13, 2026Alteration: Office and Tenant Fit-Out · under $1M (this page)
- August 19, 2026Alteration: foundation · under $1M
- August 25, 2026Alteration: mechanical · under $1M
- August 2026Estimated construction start (estimate)
- March 2027Estimated 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
- 71 Prince Street, BrooklynNew building · $100M to $250M · June 2026
- 99 Fleet Place, BrooklynNew construction · $25M to $50M · August 2026
- 370 Livingston Street, BrooklynNew construction · $10M to $25M · April 2026
- 360 Adams Street, BrooklynAlteration: facade work · $10M to $25M · April 2026
- 126 Myrtle Avenue, BrooklynAlteration CO: structural work · $10M to $25M · July 2026
55 projects of $1M+ were filed within 1 km in the last 12 months. See them all in Builtie →
Gemstar Construction Corp has 20 other projects in Builtie
- New York City · Interior alteration · $1M to $5M · 2026
- New York City · Interior alteration · under $1M · 2026
- New York City · Alteration: plumbing · 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: 3 to approach now, 6 passed.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Aug 2026 – Mar 2027 | Estimate |
| Excavation and Site Work | Aug 2026 | Window passed (est.) |
| Construction Site Security | Aug 2026 – Sep 2026 | Window passed (est.) |
| Concrete and Foundation | Aug 2026 – Sep 2026 | Window passed (est.) |
| Structural Steel | Aug 2026 – Sep 2026 | Window passed (est.) |
| Elevators | Aug 2026 – Oct 2026 | Approach now |
| Framing | Aug 2026 – Oct 2026 | Approach now |
| Painting | Sep 2026 – Nov 2026 | Approach now |
| Masonry | Aug 2026 – Sep 2026 | Window passed (est.) |
| Waterproofing | Aug 2026 – Sep 2026 | Window passed (est.) |
How we estimate: each bar is the share of the build, from the estimated start (August 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: Elevators leads in New York City · Framing leads in New York City · Painting 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
- 215 Lexington Avenue, Manhattan: Office and Tenant Fit-Out
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- 730 64 Street, Brooklyn: Office and Tenant Fit-Out
- 467 Rogers Avenue, Brooklyn: Duplex Renovation
- 1020 60 Street, Brooklyn: Warehouse
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 523 Fulton Street, Brooklyn?
Office and Tenant Fit-Out. Tenant improvement of a single tenant space. No change to use, egress or occupancy
When was the permit issued for 523 Fulton Street, Brooklyn?
August 13, 2026, by New York City.
Who is building 523 Fulton Street, Brooklyn?
Gemstar Construction Corp is named on the permit. The decision makers and their contacts are in Builtie.
Which trades does 523 Fulton Street, Brooklyn need now?
Estimated as of October 2026, the trades to approach now are elevator, framing and painting. Already passed: excavation and site work; site security; concrete; structural steel; masonry; waterproofing.
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.