CS
New homes permitted
58 new homes were permitted in Islip in the 12 months through August 2026, 57% more than the 12 months before.
- 58single-family homes
- 0homes in duplexes, townhome and apartment buildings
- $355Kaverage construction cost per single-family home
- $20.6Mtotal permitted construction value
- 4Sep 24
- 4Oct 24
- 4Nov 24
- 2Dec 24
- 3Jan 25
- 1Feb 25
- 4Mar 25
- 1Apr 25
- 4May 25
- 2Jun 25
- 4Jul 25
- 4Aug 25
- 12Sep 25
- 4Oct 25
- 5Nov 25
- 4Dec 25
- 4Jan 26
- 3Feb 26
- 4Mar 26
- 6Apr 26
- 4May 26
- 4Jun 26
- 4Jul 26
- 4Aug 26
Single-family Multifamily
Month-by-month numbers
| Month | Homes | Single-family | 2–4 units | 5+ units | Value |
|---|---|---|---|---|---|
| August 2026 | 4 | 4 | 0 | 0 | $1.4M |
| July 2026 | 4 | 4 | 0 | 0 | $1.4M |
| June 2026 | 4 | 4 | 0 | 0 | $1.4M |
| May 2026 | 4 | 4 | 0 | 0 | $1.4M |
| April 2026 | 6 | 6 | 0 | 0 | $2.3M |
| March 2026 | 4 | 4 | 0 | 0 | $1.4M |
| February 2026 | 3 | 3 | 0 | 0 | $1.0M |
| January 2026 | 4 | 4 | 0 | 0 | $1.4M |
| December 2025 | 4 | 4 | 0 | 0 | $1.4M |
| November 2025 | 5 | 5 | 0 | 0 | $1.8M |
| October 2025 | 4 | 4 | 0 | 0 | $1.4M |
| September 2025 | 12 | 12 | 0 | 0 | $4.3M |
| August 2025 | 4 | 4 | 0 | 0 | $1.4M |
| July 2025 | 4 | 4 | 0 | 0 | $1.4M |
| June 2025 | 2 | 2 | 0 | 0 | $715K |
| May 2025 | 4 | 4 | 0 | 0 | $1.4M |
| April 2025 | 1 | 1 | 0 | 0 | $357K |
| March 2025 | 4 | 4 | 0 | 0 | $1.3M |
| February 2025 | 1 | 1 | 0 | 0 | $340K |
| January 2025 | 3 | 3 | 0 | 0 | $1.0M |
| December 2024 | 2 | 2 | 0 | 0 | $680K |
| November 2024 | 4 | 4 | 0 | 0 | $1.4M |
| October 2024 | 4 | 4 | 0 | 0 | $1.3M |
| September 2024 | 4 | 4 | 0 | 0 | $1.3M |
Source: U.S. Census Bureau, Building Permits Survey, new privately owned housing units authorized from September 2024 to August 2026. New months are added as the Census posts them, about six weeks after the month ends. Census permits data ↗
Local favorites
Directory Local businesses in Islip
UG
Unique Golf Shop
Sporting goods storeSB
Secatogue Brewing Company
BrewerySS
South Shore Truck Repair
Truck repairVC
The Vicious Cycle
Bike storeWI
West Islip Auto Body
Auto body shopCG
Captree Gourmet Deli
DelicatessenHH
Hometown Heroes
Sandwich shopAC
Ace of Cuts Barber Shop
BarberOL
Our Little Italy Pizza and Pasta
Italian restaurantQuestions
How many new homes are being built in Islip?
Islip permitted 58 new homes in the 12 months through August 2026: 58 single-family homes and 0 homes in duplexes, townhome and apartment buildings, according to the U.S. Census Bureau’s Building Permits Survey.
Where do the monthly numbers come from?
From the U.S. Census Bureau’s Building Permits Survey, which counts new privately owned housing units authorized by local permit offices each month. It does not include remodels, additions or commercial buildings, and a permit is not a finished home.