623 5 Avenue, Manhattan, New York City: Office and Tenant Fit-Out
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Office and Tenant Fit-Out at 623 5 Avenue, Manhattan, New York City was filed with New York City on October 21, 2026 with a stated construction value of under $1M; the city has not approved it yet (DOB status: Prof Cert QA Review). Improvement to vacant office floors. Create slap openings as shown on drawings. No change in use egress or occupancy. 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 | 623 5 Avenue, Manhattan, New York City |
| Project | Office and Tenant Fit-Out |
| Building type | Commercial |
| Work | Renovation or alteration |
| Filed with the city | October 21, 2026 |
| City status | Not yet approved (DOB status: Prof Cert QA Review) |
| Stated construction value | under $1M |
| Estimated stage | Permit |
| Company named on the permit | Reveal the builder — free trial |
| Decision makers and contacts | See who to contact — free trial |
From the permit: “Improvement to vacant office floors. Create slap openings as shown on drawings. No change in use egress or occupancy”
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Where this project is
- Since March 202617 other permits at this building
- March 27, 2026Alteration: addition · $10M to $25M
- June 17, 2026Interior alteration · $1M to $5M
- July 8, 2026Alteration: addition · under $1M
- July 31, 2026Interior alteration · $1M to $5M
- August 5, 2026Alteration: facade work · $1M to $5M
- October 21, 2026Alteration: Office and Tenant Fit-Out · under $1M (this page)
- November 2026Estimated construction start (estimate)
- May 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
- 375 Madison Avenue, ManhattanAlteration: facade work · $100M to $250M · July 2026
- 592 7 Avenue, ManhattanAlteration CO: conversion to residential · $100M to $250M · July 2026
- 325 Park Avenue, ManhattanAlteration: structural work · $100M to $250M · March 2026
- 229 East 42 Street, ManhattanAlteration CO: conversion to residential · $50M to $100M · July 2026
- 1730 Broadway, ManhattanAlteration CO: conversion to residential · $50M to $100M · March 2026
230 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: 3 to approach now, 4 coming up.
| Trade | When to approach (est.) | Status |
|---|---|---|
| Construction (est.) | Nov 2026 – May 2027 | Estimate |
| Excavation and Site Work | Oct 2026 – Nov 2026 | Approach now |
| Construction Site Security | Oct 2026 – Dec 2026 | Approach now |
| Concrete and Foundation | Oct 2026 – Nov 2026 | Approach now |
| Structural Steel | Nov 2026 – Dec 2026 | Coming up |
| Elevators | Nov 2026 – Dec 2026 | Coming up |
| Framing | Nov 2026 – Dec 2026 | Coming up |
| Painting | Nov 2026 – Jan 2027 | Coming up |
How we estimate: each bar is the share of the build, from the estimated start (November 2026) to the estimated completion (May 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: Excavation and Site Work leads in New York City · Construction Site Security leads in New York City · Concrete and Foundation leads in New York City · Structural Steel 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.
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- 64-39 74 Street, Queens: Two-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 623 5 Avenue, Manhattan?
Office and Tenant Fit-Out. Improvement to vacant office floors. Create slap openings as shown on drawings. No change in use egress or occupancy
Has 623 5 Avenue, Manhattan been permitted?
Not yet. The work was filed with New York City on October 21, 2026; the city has not approved it yet (DOB status: Prof Cert QA Review).
Who is building 623 5 Avenue, Manhattan?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 623 5 Avenue, Manhattan need now?
Estimated as of October 2026, the trades to approach now are excavation and site work; site security; concrete. Coming up: structural steel from November 2026, elevator from November 2026, framing from November 2026 and painting from November 2026.
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.