330 East 21 Street, Manhattan, New York City: Duplex Renovation
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Duplex Renovation at 330 East 21 Street, Manhattan, New York City was filed with New York City on July 31, 2026 with a stated construction value of under $1M; the city has not approved it yet (DOB status: Plan Examiner Review). Renovation or addition to a duplex. 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 | 330 East 21 Street, Manhattan, New York City |
| Project | Duplex Renovation |
| Building type | Residential |
| Work | Renovation or alteration |
| Filed with the city | July 31, 2026 |
| City status | Not yet approved (DOB status: Plan Examiner Review) |
| Stated construction value | under $1M |
| Estimated stage | Foundation |
| Company named on the permit | Archinova Builders LLC See the decision makers — free trial |
| Decision makers and contacts | See who to contact — free trial |
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Where this project is
- Since March 20261 other permit at this address
- March 25, 2026Alteration · under $1M
- July 31, 2026Alteration: Duplex Renovation · under $1M (this page)
- July 31, 2026Alteration · under $1M
- September 22, 2026Alteration: site protection · under $1M
- September 22, 2026Alteration: site protection · under $1M
- September 22, 2026Alteration: site protection · under $1M
- August 2026Estimated construction start (estimate)
- February 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, including 4 more renovations within 1 km
- 301 East 17 Street, ManhattanAlteration: mechanical · $100M to $250M · June 2026
- 95 Madison Avenue, ManhattanAlteration CO: conversion to residential · $25M to $50M · September 2026
- 223 East 23 Street, ManhattanAlteration: roofing · $10M to $25M · August 2026
- 122 5 Avenue, ManhattanInterior alteration · $10M to $25M · April 2026
- 1 Madison Avenue, ManhattanAlteration: plumbing · $10M to $25M · October 2026
87 projects of $1M+ were filed 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: 5 to approach now, 5 passed.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Aug 2026 – Feb 2027 | Estimate |
| 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.) |
| Roofing | Sep 2026 – Oct 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 (August 2026) to the estimated completion (February 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 · Roofing 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
- 410 West 146 Street, Manhattan: Two-Family House Renovation
- 139-12 111 Avenue, Queens: Two-Family House Renovation
- 5825 Broadway, Bronx: Retail Building Renovation
- 138-61 102 Avenue, Queens: Duplex Renovation
- 1338 East 8 Street, Brooklyn: Single-Family House 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 330 East 21 Street, Manhattan?
Duplex Renovation. Renovation or addition to a duplex.
Has 330 East 21 Street, Manhattan been permitted?
Not yet. The work was filed with New York City on July 31, 2026; the city has not approved it yet (DOB status: Plan Examiner Review).
Who is building 330 East 21 Street, Manhattan?
Archinova Builders LLC is named on the permit. The decision makers and their contacts are in Builtie.
Which trades does 330 East 21 Street, Manhattan need now?
Estimated as of October 2026, the trades to approach now are elevator; framing; painting; roofing; window, door and glazing. Already passed: site security, concrete, structural steel, masonry and 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.