| Primary address | 21 Walter Avenue, Hauppauge |
| Zip code | 11788 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 18-2-12 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 01/10/2006 |
| Sale price | $415,000 |
| Arm's length | Register |
| Current property tax | $6,981 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.23 |
| Zoning district | Register |
| School district | Hauppauge |
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:
Assessed at $40,800, the tax amount paid for 21 Walter Avenue, Hauppauge, NY 11788 is $8,930.
When was 21 Walter Avenue, Hauppauge, NY 11788 last sold and what was the last sale price?21 Walter Avenue, Hauppauge, NY 11788 was last sold in 01/10/2006 for $415,000.
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 Walter Avenue, Hauppauge, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 01/10/2006 | $415,000 | Register | Register |
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 Walter Avenue, Hauppauge, NY 11788. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $8,931 |
| Current property tax | $6,981 |
| Market value | $574,647 |
| Assessed value | $40,800 |
Here's the assessment & property tax history for 21 Walter Avenue, Hauppauge, 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 | $574,647 | $40,800 | 20.782 | $8,479 | +4.46% |
| 2023-2024 | $560,440 | $40,800 | 19.895 | $8,117 | -0.88% |
| 2022-2023 | $492,754 | $40,800 | 20.071 | $8,189 | +1.19% |
| 2021-2022 | $439,656 | $40,800 | 19.834 | $8,092 | +2.28% |
| 2020-2021 | $420,619 | $40,800 | 19.392 | $7,912 | -20.28% |
The complete history of permits filed for 21 Walter Avenue, Hauppauge, 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 Walter Avenue, Hauppauge, 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 Walter Avenue, Hauppauge 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) |
|---|---|---|---|---|---|
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 0.68 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.32 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.32 |
| Andrew T Morrow School | 3 | Public | K-6 | 795 | 1.44 |
| Tackan Elementary School | 7 | Public | K-5 | 499 | 1.53 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.32 |
| Great Hollow Middle School | 7 | Public | 6-8 | 828 | 1.54 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.58 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 2.01 |
| Hauppauge Middle School | 6 | Public | 6-8 | 748 | 2.11 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.32 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.58 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.24 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.87 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.98 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Walter Avenue, Hauppauge.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 7 Evergreen Ave, Brentwood | 09/28/2010 | $133,900 | |
| 218 Oak Neck Rd, West Islip | 01/16/2025 | $475,000 | |
| 161 Belle Ave, Ronkonkoma | 2,126 | 09/05/2018 | $395,000 |
| 38 43rd St, Islip | 12/02/2020 | $430,000 | |
| 10 Sampson St, Sayville | 07/03/2009 | ||
| 89 Ocean Ave, Bay Shore | 01/28/2025 | $550,000 | |
| 10 Rosewood St, Central Islip | 1,666 | 01/28/2021 | $440,000 |
| 28 Glide Ln, Holtsville | 12/29/2009 | $360,500 | |
| 109 Edgewater Ave, Bayport | 2,097 | 09/27/2021 | $485,000 |
| 65 Hilliard Ave, Central Islip | 04/03/2007 | $337,234 | |
| 57 Willow St, Central Islip | 780 | 12/06/2019 | |
| 143 Timber Ridge Dr, Holbrook | 09/26/2022 | ||
| 388 Howells Rd, Bay Shore | 07/26/2023 | ||
| 447 Joan St, Ronkonkoma | 12/09/2005 | $440,000 | |
| 48 Pequot Ln, East Islip | 09/27/2005 | $385,000 | |
| 55 Vanderbilt Ave, Central Islip | 09/11/2013 | ||
| 76 Bonaparte Ave, Islip | 01/11/2006 | $363,000 | |
| 221 E Nassau St, Islip Terrace | 01/17/2005 | $350,000 | |
| 58 Yankee St, Brentwood | 01/11/2006 | $455,000 | |
| 163 Claywood Dr, Brentwood | 01/13/2006 | $330,000 |