Middlesex County · Sayreville Borough · #20251587
Sayreville mixed-use building alteration
Sayreville Borough, NJ · 35,363 sq ft non-residential, mixed use
About this project
A building permit for alterations on Block 256.01, Lot 10 in Sayreville Borough, covering business and residential uses. The reported construction cost is about $130 million, with about 35,363 sq ft listed.
Official description: Business Uses; Residential ALTER; reported construction cost $130,340,000
- Plan type
- Building permit (new construction)
- Land use
- Residential ALTER
- Status
- Permit
Filing history
- 2025-12-08 · #20251587 · Building permit (new construction) · 35,363 sq ft
- 2025-06-12 · #20250756 · Building permit (new construction) · 34,999 sq ft
The full picture AI research · Nov 1, 2026
County records show a building permit for alterations to an existing building on Block 256.01, Lot 10 in Sayreville Borough. The building is used for both business and residential purposes. About 35,363 square feet is listed.
The records give a reported construction cost of about $130 million. That is very high for a building this size, so it may be a data-entry error or may cover a larger scope than the square footage suggests. The records don't say what the alterations are, what is on the site now, or who will occupy the space.
No news coverage, meeting agendas, developer pages or other public material was found for this specific lot. Searches turned up only larger Sayreville redevelopment projects, and none could be tied to this parcel.
What it could mean nearby
- Records don't say whether the work changes the number of homes, jobs, traffic or utility demand.
- Because this is an alteration of an existing building, it is less likely to add new land disturbance than new construction would, though the records don't confirm this.
Where it stands
A building permit filing was recorded by the county on 2025-12-08. Alteration permits are usually reviewed by the borough's construction office. Work and inspections follow once the permit is issued.
- Dec 8, 2025 Latest county filing for the building permit
Want to weigh in? Building permits are typically handled administratively by Sayreville Borough's construction and zoning offices rather than at a public hearing. Residents can ask the borough about this lot's status.
Planning terms explained
- Block and Lot
- The tax-map numbers that identify a specific parcel of land in a municipality.
- Building permit
- Official permission from the local construction office to build or change a structure, with inspections to follow.
- Alteration
- Work that changes or renovates an existing building rather than building a new one.
- Mixed use
- A building or site that combines different uses, such as businesses and homes.
We searched the web for this project but found nothing beyond the county record, so this explanation is based on the filing alone. Researched by AI from public sources on Nov 1, 2026. It can make mistakes, so check the linked sources and the municipality before relying on it.
Scope estimate for contractors
Estimated construction value: $9.2M
- ~117 roofing squares (assumes 3 stories)
- ~88 tons of cooling (rule of thumb 400 sq ft/ton)