| Primary address | 21 Maple Lane, Altamont |
| Zip code | 12009 |
| County | Albany |
| Municipality | Knox |
| Parcel ID | 46-1-37.92 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $2,058 |
| Building sqft | 1,278 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 5.48 |
| Year built | 1989 |
| Stories | 1 |
| Bedrooms | 2 |
| Bathrooms | 1 |
| Kitchen | 1 |
| Water supply | Private |
| Sewer type | Private |
| Building style | Log home |
| Condition | Normal |
| Basement type | Full |
| Exterior wall material | Wood |
| Heat | No central |
| Fuel | None |
| First story sqft | Register |
| School district | Berne-Knox |
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 Maple Lane, Altamont, NY 12009 was built in 1989 and has a total of 1,278 square feet.
What is the assessed value of 21 Maple Lane, Altamont, NY 12009 and the property tax paid?Assessed at $105,200, the tax amount paid for 21 Maple Lane, Altamont, NY 12009 is $2,197.
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 Maple Lane, Altamont, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 21 Maple Lane, Altamont, NY 12009. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $2,198 |
| Current property tax | $2,058 |
| Market value | $284,324 |
| Assessed value | $105,200 |
Here's the assessment & property tax history for 21 Maple Lane, Altamont, 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 |
|---|---|---|---|---|---|
| 2025 | $276,842 | $105,200 | 20.8912 | $2,198 | +27.77% |
| 2024 | $269,744 | $105,200 | 16.35 | $1,720 | -9.47% |
| 2023 | $250,476 | $105,200 | 18.06 | $1,900 | -11.03% |
| 2022 | $210,400 | $105,200 | 20.3 | $2,136 | -4.78% |
| 2021 | $202,308 | $105,200 | 21.32 | $2,243 | -6.98% |
Create a free account to unlock extended information for 21 Maple Lane, Altamont, 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 Maple Lane, Altamont 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) |
|---|---|---|---|---|---|
| Cobb Memorial School | NR | Private | 23 | 4.36 | |
| Berne Knox Westerlo Elementary School | 8 | Public | PK, K-6 | 371 | 4.58 |
| Berne Knox Westerlo Elementary School | 8 | Public | PK, K-6 | 371 | 4.58 |
| Duanesburg Elementary School | 5 | Public | PK, K-6 | 332 | 4.61 |
| Duanesburg Elementary School | 5 | Public | PK, K-6 | 332 | 4.61 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cobb Memorial School | NR | Private | 23 | 4.36 | |
| Berne Knox Westerlo Junior Senior High School | 4 | Public | 7-12 | 320 | 4.58 |
| Duanesburg High School | 6 | Public | 7-12 | 312 | 5.42 |
| Helderberg Christian School | NR | Private | K-7 | 0 | 5.59 |
| Helderberg Christian School | NR | Private | K-12 | 30 | 6.30 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cobb Memorial School | NR | Private | 23 | 4.36 | |
| Berne Knox Westerlo Junior Senior High School | 4 | Public | 7-12 | 320 | 4.58 |
| Duanesburg High School | 6 | Public | 7-12 | 312 | 5.42 |
| Helderberg Christian School | NR | Private | K-12 | 30 | 6.30 |
| Guilderland High School | 8 | Public | 9-12 | 1,462 | 7.74 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Maple Lane, Altamont.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1102 Knox Cave Rd, Altamont | 725 | ||
| 201 Middle Rd, Altamont | 1,889 | ||
| 259 Witter Rd, Altamont | 1,807 | ||
| 206 Street Rd, Altamont | 2,344 | 08/04/2025 | |
| 1097 Knox Cave Rd, Altamont | 2,024 | 06/30/2020 | |
| 186 Middle Rd, Altamont | 1,672 | 08/03/2018 | $250,000 |
| 981 Knox Cave Rd, Altamont | 1,498 | 01/30/2025 | $80,001 |
| 473 Middle Rd, Berne | 1,230 | ||
| 1089 Knox Cave Rd, Altamont | 1,566 | ||
| 247 Middle Rd, Berne | 1,267 | 03/17/2021 | $53,900 |
| 842 Knox Cave Rd, Altamont | 04/17/2017 | $82,626 | |
| 336 Street Rd, Altamont | 1,432 | 06/04/2001 | $108,150 |
| 198 Middle Rd, Altamont | 1,408 | ||
| 22 Maple Ln, Altamont | 1,224 | 11/17/2021 | $275,000 |
| 957 Knox Cave Rd, Altamont | 1,037 | 12/18/2024 | $240,888 |
| 74 Street Rd, Altamont | 1,311 | 10/01/2018 | $201,400 |
| 215 Middle Rd, Altamont | 998 | 03/30/2021 | $185,000 |
| 212 Middle Rd, Altamont | 960 | 08/16/2017 | $135,000 |
| 78 Street Rd, Altamont | 1,288 | 05/30/2008 | $170,000 |
| 1093 Knox Cave Rd, Altamont | 1,008 |