Neighborhood · Town of Brookhaven

What's being built in Holtsville

Unincorporated neighborhood in the Town of Brookhaven (part of Holtsville lies in the Town of Islip). Here's what has come before the Town of Brookhaven's boards for Holtsville, straight from public agendas.

Recent agenda items in Holtsville

6 items from Brookhaven Zoning Board and Town Board / Planning agendas, Aug–Oct 2026. Applicant names are left out; each links to the town's posted agenda.

Zoning appealUpcoming · Oct 21, 2026

North side Cherry Avenue, 105' East of Wendy Drive, Holtsville

Holtsville · BZA

Applicant requests rear yard and side yard variances for existing shed; minimum and total side yard variances for existing one story residence addition; also, permission for…

Town agenda (source) ↗

Planning hearingSep 17, 2026

7 Valley Ct, Holtsville.

Holtsville · Town Board/Planning

Planning Board Public Hearing to consider an application for relief of a restrictive covenant for property located at 7 Valley Ct, Holtsville.

Town agenda (source) ↗

Planning hearingSep 17, 2026

1110 Waverly Avenue, Holtsville, located at 1110 Waverly Avenue, Holtsville.

Holtsville · Town Board/Planning

Planning Board Public Hearing for a two-lot land division known as 1110 Waverly Avenue, Holtsville, located at 1110 Waverly Avenue, Holtsville.

Town agenda (source) ↗

Planning hearingAug 27, 2026

1110 Waverley Avenue, Holtsville, located at 1110 Waverly Avenue, Holtsville.

Holtsville · Town Board/Planning

Planning Board Public Hearing for a two-lot land division known as 1110 Waverley Avenue, Holtsville, located at 1110 Waverly Avenue, Holtsville.

Town agenda (source) ↗

Hearing setAug 27, 2026

Holtsville

Holtsville · Town Board/Planning

Setting the date for a Planning Board public hearing to consider an application for relief of a restrictive covenant for property located at 7 Valley Ct, Holtsville on September…

Town agenda (source) ↗

Zoning appealAug 19, 2026

Southwest corner Expressway Drive South and Abner Drive, Holtsville

Holtsville · BZA

Applicant requests front yard setback variance from Expressway Drive South for proposed in- ground swimming pool.

Town agenda (source) ↗

Who issues permits in Holtsville

Building permits for Holtsville are handled by Town of Brookhaven Building Division for the Brookhaven side; the Town of Islip for the Islip side. Applications, issued permits, and certificates of occupancy (COs) are public records. Many can be looked up on the town's online portals. If a portal is incomplete, records can be requested under New York's Freedom of Information Law (FOIL).

What we cover in Holtsville

Likely activity to watch: New homes, renovations, and commercial and office filings near the LIE.
Teardowns: demolition permits, usually the first public sign a lot is changing.
New construction: new homes and commercial buildings.
Renovations: additions, decks, pools, solar, ADUs.
Plain-English context: what "application," "issued," and "CO" actually mean for the street.

How you'll get Holtsville updates

Daily drops on our Long Island Instagram/Facebook account, plus the Monday roundup email. Both are free.

Spotted something going up in Holtsville? Send a tip to tips@whatsbeingbuiltli.com.

Read the free permit guide. Other towns: Centereach · Selden · Farmingville · Coram · Medford · Port Jefferson Station · Lake Grove