597 Prospect Avenue, Bronx, New York City: 4-Storey Office-to-Residential Conversion
4-Storey Office-to-Residential Conversion at 597 Prospect Avenue, Bronx, New York City was permitted on June 25, 2026 with a stated construction value of under $1M. Proposed interior renovation converting existing 4 story and basement, into a 10 unit residential 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 | 597 Prospect Avenue, Bronx, New York City |
| Project | 4-Storey Office-to-Residential Conversion |
| Building type | Residential |
| Work | Renovation or alteration |
| Permit issued | June 25, 2026 |
| Stated construction value | under $1M |
| Estimated stage | Foundation |
| Company named on the permit | Reveal the builder — free trial |
| Decision makers and contacts | See who to contact — free trial |
From the permit: “Proposed interior renovation converting existing 4 story and basement, into a 10 unit residential building”
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Where this project is
- March 5, 2026Alteration CO: plumbing · under $1M
- March 18, 2026Alteration CO: site protection · under $1M
- June 25, 2026Alteration CO: 4-Storey Office-to-Residential Conversion · under $1M (this page)
- July 2026Estimated construction start (estimate)
- January 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
- 470 Jackson Avenue, BronxAlteration: roofing · $10M to $25M · June 2026
- 455 Southern Boulevard, BronxAlteration: roofing · $5M to $10M · July 2026
- 50 Oak Point Avenue, BronxAlteration CO · $5M to $10M · May 2026
- 674 East 149 Street, BronxAlteration: roofing · $5M to $10M · August 2026
- 525 Jackson Avenue, BronxAlteration: roofing · $5M to $10M · August 2026
18 projects of $1M+ were permitted within 1 km in the last 12 months. See them all in Builtie →
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.) | Jul 2026 – Jan 2027 | Estimate |
| Construction Site Security | Jul 2026 – Aug 2026 | Window passed (est.) |
| Concrete and Foundation | Jul 2026 – Aug 2026 | Window passed (est.) |
| Structural Steel | Jul 2026 – Aug 2026 | Window passed (est.) |
| Elevators | Jul 2026 – Aug 2026 | Window passed (est.) |
| Framing | Jul 2026 – Aug 2026 | Window passed (est.) |
| Painting | Aug 2026 – Sep 2026 | Window passed (est.) |
| Masonry | Jul 2026 – Aug 2026 | Window passed (est.) |
| Waterproofing | Jul 2026 – Aug 2026 | Window passed (est.) |
| Roofing | Aug 2026 – Sep 2026 | Window passed (est.) |
| Windows, Doors and Glazing | Aug 2026 – Sep 2026 | Window passed (est.) |
How we estimate: each bar is the share of the build, from the estimated start (July 2026) to the estimated completion (January 2027) 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
- 45 Monroe Place, Brooklyn: Parking Structure Renovation
- 443 Greenwich Street, Manhattan: Apartment Building Renovation
- 1056 Boynton Avenue, Bronx: Apartment Building Renovation
- 1585 Broadway, Manhattan: Office and Tenant Fit-Out
- 246 Washington 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 597 Prospect Avenue, Bronx?
4-Storey Office-to-Residential Conversion. Proposed interior renovation converting existing 4 story and basement, into a 10 unit residential building
When was the permit issued for 597 Prospect Avenue, Bronx?
June 25, 2026, by New York City.
Who is building 597 Prospect Avenue, Bronx?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 597 Prospect Avenue, Bronx 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.