129 Montague Street, Brooklyn, New York City: Office and Tenant Fit-Out
Office and Tenant Fit-Out at 129 Montague Street, Brooklyn, New York City was permitted on July 23, 2026 with a stated construction value of under $1M. General construction to renovate existing commercial office at cellar, 1st and 2nd floors indicated on drawings filed herewith No change in use egress or occupancy under this application. 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 | 129 Montague Street, Brooklyn, New York City |
| Project | Office and Tenant Fit-Out |
| Building type | Commercial |
| Work | Renovation or alteration |
| Permit issued | July 23, 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: “General construction to renovate existing commercial office at cellar, 1st and 2nd floors indicated on drawings filed herewith No change in use egress or occupancy under this application”
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Where this project is
- Since July 20264 other permits at this address
- July 23, 2026Alteration: fire protection · under $1M
- July 23, 2026Alteration: mechanical · under $1M
- July 23, 2026Alteration: Office and Tenant Fit-Out · under $1M (this page)
- July 31, 2026Alteration: mechanical · under $1M
- July 31, 2026Interior alteration · under $1M
- October 6, 2026Alteration · 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
- 71 Prince Street, BrooklynNew building · $100M to $250M · June 2026
- 98 Montague Street, BrooklynAlteration CO: conversion to residential · $50M to $100M · October 2026
- 360 Adams Street, BrooklynAlteration: facade work · $10M to $25M · April 2026
- 55 Water Street, BrooklynAlteration · $10M to $25M · April 2026
- 126 Myrtle Avenue, BrooklynAlteration CO: structural work · $10M to $25M · July 2026
42 projects of $1M+ were permitted within 1 km in the last 12 months. See them all in Builtie →
The company behind this project has 9 other projects in Builtie
- ████████ ConstructionNew York City · Alteration: mechanical · under $1M · 2026
- ████████ ConstructionNew York City · Interior alteration · under $1M · 2026
- ████████ ConstructionNew York City · Interior 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: 3 to approach now, 7 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 | Window passed (est.) |
| Structural Steel | Aug 2026 – Sep 2026 | Window passed (est.) |
| Elevators | Aug 2026 – Sep 2026 | Window passed (est.) |
| Framing | Aug 2026 – Sep 2026 | Window passed (est.) |
| Painting | Aug 2026 – Oct 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 | Aug 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.
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
- 97-16 Northern Boulevard, Queens: Mixed-Use Building Renovation
- 2476 Jerome Avenue, Bronx: Transit Facility Renovation
- 1377 Rockaway Parkway, Brooklyn: Transit Facility Renovation
- 100 West 33 Street, Manhattan: Office and Tenant Fit-Out
- 235 Sackett Street, 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 129 Montague Street, Brooklyn?
Office and Tenant Fit-Out. General construction to renovate existing commercial office at cellar, 1st and 2nd floors indicated on drawings filed herewith No change in use egress or occupancy under this application
When was the permit issued for 129 Montague Street, Brooklyn?
July 23, 2026, by New York City.
Who is building 129 Montague Street, Brooklyn?
Builtie resolves the builder or general contractor behind the permit and attaches a verified decision maker.
Which trades does 129 Montague Street, Brooklyn need now?
Estimated as of October 2026, the trades to approach now are painting; roofing; window, door and glazing. Already passed: site security, concrete, structural steel, elevator, framing, 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.