| Primary address | 21 Fredrick Street, Mahopac |
| Zip code | 10541 |
| County | Putnam |
| Municipality | Carmel |
| Parcel ID | 64.19-1-57 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/30/2020 |
| Sale price | $200,000 |
| Arm's length | Register |
| Property tax | $4,114 |
| Building sqft | 640 |
| Building class | Seasonal Residences (260) |
| Acreage | 0.71 |
| Lot dimensions | 200 ft X 114 ft |
| Frontage | 200 |
| Depth | 114 |
| Year built | 1921 |
| Stories | 1 |
| Bedrooms | 2 |
| Half bathrooms | 1 |
| Kitchen | 1 |
| Water supply | Private |
| Sewer type | Private |
| Building style | Log home |
| Condition | Poor |
| Basement type | Crawl |
| Exterior wall material | Wood |
| Heat | No central |
| Fuel | None |
| Fireplaces | 1 |
| First story sqft | Register |
| Zoning district | Register |
| School district | Mahopac |
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 Fredrick Street, Mahopac, NY 10541 was built in 1921 and has a total of 640 square feet.
What is the assessed value of 21 Fredrick Street, Mahopac, NY 10541 and the property tax paid?Assessed at $152,000, the tax amount paid for 21 Fredrick Street, Mahopac, NY 10541 is $4,113.
When was 21 Fredrick Street, Mahopac, NY 10541 last sold and what was the last sale price?21 Fredrick Street, Mahopac, NY 10541 was last sold in 04/30/2020 for $200,000.
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 Fredrick Street, Mahopac, 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 Fredrick Street, Mahopac, NY 10541. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $4,114 |
| Market value | $152,000 |
| Assessed value | $152,000 |
Here's the assessment & property tax history for 21 Fredrick Street, Mahopac, 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 | $134,500 | $134,500 | 27.0639 | $3,640 | -5.64% |
| 2024 | $125,700 | $125,700 | 30.69 | $3,858 | +1.88% |
| 2023 | $113,200 | $113,200 | 33.45 | $3,787 | -4.95% |
| 2022 | $109,900 | $109,900 | 36.25 | $3,984 | +55.89% |
| 2021 | $70,500 | $70,500 | 36.25 | $2,556 | -3.87% |
Create a free account to unlock extended information for 21 Fredrick Street, Mahopac, 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 Fredrick Street, Mahopac 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 (miles) |
|---|---|---|---|---|---|
| Hudson Valley Christian Academy | NR | Private | PK-5 | 31 | 1.01 |
| Hudson Valley Christian Academy | NR | Private | PK-5 | 31 | 1.01 |
| Austin Road Elementary School | 7 | Public | K-5 | 585 | 1.40 |
| Hampton Schools | NR | Private | PK, K-1 | 33 | 1.42 |
| Hampton Schools | NR | Private | PK, K-1 | 33 | 1.42 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Mahopac Middle School | 5 | Public | 6-8 | 926 | 0.97 |
| Mahopac Falls School | NR | Public | 6-8 | 14 | 1.15 |
| Mahopac High School | 8 | Public | 7-12 | 1,254 | 1.24 |
| Lincoln Hall Ives School | NR | Private | 6-10 | 36 | 4.26 |
| Ives School | NR | Private | 5-12 | 0 | 4.59 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Mahopac High School | 8 | Public | 7-12 | 1,254 | 1.24 |
| Lincoln Hall Ives School | NR | Private | 6-10 | 36 | 4.26 |
| Ives School | NR | Private | 5-12 | 0 | 4.59 |
| Carmel High School | 7 | Public | 9-12 | 1,365 | 4.91 |
| Somers Senior High School | 8 | Public | 9-12 | 980 | 5.19 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Fredrick Street, Mahopac.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 25 Louis St, Mahopac | 04/30/2020 | $100,000 | |
| 3 Mega Ln, Carmel | 3,037 | 07/28/2010 | $571,500 |
| 18 Elm Dr, Mahopac | 1,848 | 10/30/2023 | $300,000 |
| 506 Oak St, Mahopac | 2,586 | 07/09/2013 | $415,000 |
| 201 W Lake Blvd, Mahopac | 819 | 12/15/1998 | $1 |
| 89 Lakeside Rd, Mahopac | 1,756 | 02/14/1997 | $162,000 |
| 11 Mega Ln, Carmel | 2,580 | 11/23/2011 | $425,000 |
| 9 Fredrick St, Mahopac | 09/28/1998 | $29,300 | |
| 21 Elm Dr, Mahopac | 1,934 | ||
| 23 Louis St, Mahopac | 1,309 | 10/13/2025 | |
| 195 W Lake Blvd, Mahopac | 2,832 | 03/18/2014 | $1 |
| 99 Woodland Rd, Mahopac | 2,223 | 09/29/2017 | $420,000 |
| 26 Fredrick St, Mahopac | 2,032 | 04/30/2020 | $825,000 |
| 505 Oak St, Mahopac | 2,904 | 01/14/2016 | $365,000 |
| 13 Elm Dr, Mahopac | 1,215 | 05/24/2018 | $350,000 |
| 207 W Lake Blvd, Mahopac | 2,360 | 06/24/2004 | $652,000 |
| 87 Lakeside Rd, Mahopac | 2,054 | 10/24/2012 | $380,000 |
| 10 Elm Dr, Mahopac | 2,500 | 06/29/2010 | $445,000 |
| 14 Elm Dr, Mahopac | 2,268 | 10/25/2011 | $380,000 |
| 16 Kannon St, Mahopac | 11/19/2025 | $10 |