21-51 35 Avenue, Queens, New York City: Apartment Building Renovation
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Apartment Building Renovation at 21-51 35 Avenue, Queens, New York City was permitted on April 23, 2026 with a stated construction value of under $1M. Nycha boiler_remove and replace hot water heaters and water lines, recirculation pumps, drains . install new sump pumps and discharge lines. install new air intakes and exhaust for water heaters. 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 | 21-51 35 Avenue, Queens, New York City |
| Project | Apartment Building Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Permit issued | April 23, 2026 |
| Stated construction value | under $1M |
| Estimated stage | Framing |
| Company named on the permit | The Liro Group See the decision makers — free trial |
| Decision makers and contacts | See who to contact — free trial |
From the permit: “Nycha boiler_remove and replace hot water heaters and water lines, recirculation pumps, drains . install new sump pumps and discharge lines. install new air intakes and exhaust for water heaters”
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Where this project is
- March 26, 2026Alteration: mechanical · under $1M
- April 23, 2026Alteration: Apartment Building Renovation · under $1M (this page)
- September 24, 2026Alteration: mechanical · under $1M
- April 2026Estimated construction start (estimate)
- October 2026Estimated 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 7 months for a job this size). It is not the builder's schedule.
Other big projects nearby
- 34-21 21 Street, QueensAlteration: roofing · $5M to $10M · September 2026
- 37-42 30 Street, QueensNew building · $5M to $10M · July 2026
- 35-10 12 Street, QueensNew construction · $5M to $10M · May 2026
- 25-25 31 Avenue, QueensNew construction · $1M to $5M · May 2026
- 36-45 31 Street, QueensAlteration · $1M to $5M · May 2026
5 projects of $1M+ were filed within 1 km in the last 12 months. See them all in Builtie →
The Liro Group has 15 other projects in Builtie
- New York City · Alteration: mechanical · $1M to $5M · 2026
- New York City · Alteration: mechanical · $1M to $5M · 2026
- New York City · 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 – Oct 2026 | Estimate |
| Construction Site Security | Mar 2026 – May 2026 | Window passed (est.) |
| Painting | Apr 2026 – Jun 2026 | Window passed (est.) |
| Masonry | Apr 2026 – May 2026 | Window passed (est.) |
| Waterproofing | Apr 2026 – May 2026 | Window passed (est.) |
| Roofing | Apr 2026 – Jun 2026 | Window passed (est.) |
| Windows, Doors and Glazing | Apr 2026 – May 2026 | Window passed (est.) |
| Electrical | May 2026 – Jun 2026 | Window passed (est.) |
| HVAC and Mechanical | May 2026 – Jun 2026 | Window passed (est.) |
| Plumbing | Apr 2026 – Jun 2026 | Window passed (est.) |
| Fire Protection | May 2026 – Jun 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 (October 2026) 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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More projects: every New York City project of $1M+ by address · major projects 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
- 78-31 264 Street, Queens: Single-Family House Renovation
- 421 7 Avenue, Manhattan: Commercial Project Renovation
- 246a Monroe Street, Brooklyn: Duplex Renovation
- 158 North Elliot Walk, Brooklyn: Apartment Building Renovation
- 12 Crosby Street, Manhattan: Office and Tenant Fit-Out
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 21-51 35 Avenue, Queens?
Apartment Building Renovation. Nycha boiler_remove and replace hot water heaters and water lines, recirculation pumps, drains . install new sump pumps and discharge lines. install new air intakes and exhaust for water heaters
When was the permit issued for 21-51 35 Avenue, Queens?
April 23, 2026, by New York City.
Who is building 21-51 35 Avenue, Queens?
The Liro Group is named on the permit. The decision makers and their contacts are in Builtie.
Which trades does 21-51 35 Avenue, Queens 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.