Nassau County, NY — 2026 YTD
Nassau County, NY indexed 457 development projects YTD in 2026 (through 2026-09-03). Civic Actions leads at 21% (96 projects). Oyster Bay is the most active city (83 projects), followed by Manorhaven (52).
Data through September 3, 2026 · Updated September 4, 2026 · America/Denver · Refreshed weekly
YTD Projects
457
Cities in County
19
County activity by period
| Period | Projects |
|---|---|
| Year to date (Jan 1 – Sep 3, 2026) | 457 |
| August 2026 | 40 |
| This week (Aug 31 – Sep 3, 2026) | 0 |
Projects by Type (YTD)
| Type | Projects |
|---|---|
| Civic Actions | 96 |
| Residential | 19 |
| Infrastructure | 8 |
| Commercial | 5 |
| Institutional/Public | 3 |
Cities in Nassau County
City-level counts for YTD 2026. Linked cities have enough distinct activity for a standalone page.
| City | YTD Projects | Top Type |
|---|---|---|
| Oyster Bay | 83 | Civic Actions |
| Manorhaven | 52 | — |
| Floral Park | 41 | Civic Actions |
| Hempstead | 31 | Civic Actions |
| Glen Cove | 30 | Commercial |
| Freeport | 26 | Residential |
| Long Beach | 25 | Civic Actions |
| Valley Stream | 22 | Civic Actions |
| Farmingdale | 20 | Civic Actions |
| Great Neck Plaza | 17 | Civic Actions |
| Upper Brookville | 13 | — |
| Mill Neck | 11 | — |
| Thomaston | 11 | Residential |
| Sea Cliff | 10 | — |
| Lynbrook | 8 | — |
| Old Brookville | 8 | Infrastructure |
| Great Neck Estates | 7 | Civic Actions |
| Woodsburgh | 5 | — |
| North Hills | 5 | Civic Actions |
Frequently asked questions
- How many development projects were indexed in Nassau County, NY YTD 2026?
- 457 projects with indexed meeting dates year-to-date through 2026-09-03.
- Which cities in Nassau County had the most development activity?
- Oyster Bay (83), Manorhaven (52), Floral Park (41) lead the county by project count.