| Primary address | 21 Commonwealth Avenue, Lake Grove |
| Zip code | 11755 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 6116330 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $5,422 |
| Building sqft | 780 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.22 |
| Year built | 1956 |
| Rooms | 4 |
| Bedrooms | 2 |
| Bathrooms | 1 |
| School district | Middle Country |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
21 Commonwealth Avenue, Lake Grove, NY 11755 was built in 1956 and has a total of 780 square feet.
What is the assessed value of 21 Commonwealth Avenue, Lake Grove, NY 11755 and the property tax paid?Assessed at $1,650, the tax amount paid for 21 Commonwealth Avenue, Lake Grove, NY 11755 is $6,696.
When was 21 Commonwealth Avenue, Lake Grove, NY 11755 last sold?21 Commonwealth Avenue, Lake Grove, NY 11755 was last sold in 03/01/2019.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 21 Commonwealth Avenue, Lake Grove, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 21 Commonwealth Avenue, Lake Grove, NY 11755. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $6,696 |
| Current property tax | $5,422 |
| Market value | $311,321 |
| Assessed value | $1,650 |
Here's the assessment & property tax history for 21 Commonwealth Avenue, Lake Grove, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2024-2025 | $311,321 | $1,650 | 395.434 | $6,525 | +2.52% |
| 2023-2024 | $305,556 | $1,650 | 385.708 | $6,364 | +1.51% |
| 2022-2023 | $266,129 | $1,650 | 379.971 | $6,270 | +2.76% |
| 2021-2022 | $222,973 | $1,650 | 369.759 | $6,101 | +0.90% |
| 2020-2021 | $214,286 | $1,650 | 366.475 | $6,047 | +7.66% |
The complete history of permits filed for 21 Commonwealth Avenue, Lake Grove, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 21 Commonwealth Avenue, Lake Grove, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 21 Commonwealth Avenue, Lake Grove to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Eugene Auer Memorial School | 4 | Public | 1-5 | 317 | 0.57 |
| Oxhead Road School | 5 | Public | 1-5 | 371 | 1.01 |
| Mills Pond Elementary School | 8 | Public | K-5 | 372 | 1.37 |
| Wenonah School | 6 | Public | K-5 | 479 | 1.69 |
| Our Savior New American School | NR | Private | PK, K-12 | 122 | 1.71 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Dawnwood Middle School | 5 | Public | 6-8 | 1,074 | 1.33 |
| Lake Grove School | NR | Private | 8-12 | 50 | 1.38 |
| Robert Cushman Murphy Junior High School | 8 | Public | 7-9 | 667 | 1.45 |
| Our Savior New American School | NR | Private | PK, K-12 | 122 | 1.71 |
| Harbor Country Day School | NR | Private | PK-8 | 134 | 2.57 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Lake Grove School | NR | Private | 8-12 | 50 | 1.38 |
| Centereach High School | 6 | Public | 9-12 | 1,475 | 1.44 |
| Our Savior New American School | NR | Private | PK, K-12 | 122 | 1.71 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 2.44 |
| International Christian School | NR | Private | PK, K-12 | 0 | 2.60 |
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Here are the neighbors for 21 Commonwealth Avenue, Lake Grove.