| Primary address | 21 Madder Lake Circle, Commack |
| Zip code | 11725 |
| County | Suffolk |
| Municipality | Smithtown |
| Parcel ID | 90-2-5.25 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/26/2019 |
| Sale price | $517,500 |
| Arm's length | Register |
| Current property tax | $14,495 |
| Building sqft | 1,748 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.02 |
| Year built | 1989 |
| Stories | 2 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| Half bathrooms | 1 |
| Zoning district | Register |
| School district | Commack |
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 Madder Lake Circle, Commack, NY 11725 was built in 1989 and has a total of 1,748 square feet.
What is the assessed value of 21 Madder Lake Circle, Commack, NY 11725 and the property tax paid?Assessed at $5,310, the tax amount paid for 21 Madder Lake Circle, Commack, NY 11725 is $13,673.
When was 21 Madder Lake Circle, Commack, NY 11725 last sold and what was the last sale price?21 Madder Lake Circle, Commack, NY 11725 was last sold in 06/26/2019 for $517,500.
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 Madder Lake Circle, Commack, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 Madder Lake Circle, Commack, NY 11725. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $13,674 |
| Current property tax | $14,495 |
| Market value | $617,442 |
| Assessed value | $5,310 |
Here's the assessment & property tax history for 21 Madder Lake Circle, Commack, 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 | $617,442 | $5,310 | 2484.041 | $13,190 | +11.55% |
| 2023-2024 | $610,345 | $5,310 | 2226.929 | $11,825 | -2.61% |
| 2022-2023 | $758,572 | $5,310 | 2286.673 | $12,142 | -9.49% |
| 2021-2022 | $474,107 | $5,310 | 2526.564 | $13,416 | +1.86% |
| 2020-2021 | $461,739 | $5,310 | 2480.354 | $13,171 | -0.19% |
The complete history of permits filed for 21 Madder Lake Circle, Commack, 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.
Access a detailed real estate market overview of Smithtown so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Smithtown and compare it to other neighborhoods in Suffolk County.
Create a free account to unlock extended information for 21 Madder Lake Circle, Commack, 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 Madder Lake Circle, Commack 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) |
|---|---|---|---|---|---|
| UCP-Assoc Greater Suffolk | NR | Private | 0 | 0.19 | |
| The Children's Center At Ucp | NR | Private | 53 | 0.22 | |
| Holy Family Regional School | NR | Private | PK-8 | 163 | 0.24 |
| Holy Family Regional School | NR | Private | PK-8 | 163 | 0.24 |
| Sappo School | NR | Private | K-12 | 67 | 0.55 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| UCP-Assoc Greater Suffolk | NR | Private | 0 | 0.19 | |
| The Children's Center At Ucp | NR | Private | 53 | 0.22 | |
| Holy Family Regional School | NR | Private | PK-8 | 163 | 0.24 |
| Sappo School | NR | Private | K-12 | 67 | 0.55 |
| The Jewish Academy | NR | Private | K-8 | 0 | 1.80 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| UCP-Assoc Greater Suffolk | NR | Private | 0 | 0.19 | |
| The Children's Center At Ucp | NR | Private | 53 | 0.22 | |
| Sappo School | NR | Private | K-12 | 67 | 0.55 |
| Commack High School | 9 | Public | 9-12 | 1,861 | 1.07 |
| Nassau/Suffolk Services-Autistic | NR | Private | 0 | 1.90 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Madder Lake Circle, Commack.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 49 Madder Lake Cir, Commack | 05/10/2024 | ||
| 51 Madder Lake Cir, Commack | 1,838 | 04/26/2015 | |
| 15 Madder Lake Cir, Commack | 12/01/2014 | $390,000 | |
| 46 Madder Lake Cir, Commack | 1,838 | 07/23/2018 | $535,000 |
| 53 Madder Lake Cir, Commack | 11/26/2013 | $407,500 | |
| 20 Madder Lake Cir, Commack | 1,748 | 11/09/2022 | |
| 19 Madder Lake Cir, Commack | 05/24/2021 | $520,000 | |
| 12 Madder Lake Cir, Commack | |||
| 50 Madder Lake Cir, Commack | 09/19/2024 | $613,000 | |
| 22 Madder Lake Cir, Commack | 1,748 | 02/26/2019 | $414,900 |
| 47 Madder Lake Cir, Commack | 12/01/2010 | ||
| 48 Madder Lake Cir, Commack | 05/14/2004 | $392,500 | |
| 52 Madder Lake Cir, Commack | 1,838 | 08/17/2016 | |
| 14 Madder Lake Cir, Commack | 09/04/1997 | ||
| 2049 Jericho Tpke, Commack | 09/27/2004 | $350,000 | |
| 45 Madder Lake Cir, Commack | 07/25/2002 | $326,000 | |
| 18 Madder Lake Cir, Commack | 1,748 | 06/22/2022 | $400,000 |
| 17 Madder Lake Cir, Commack | 02/23/2006 | $530,000 | |
| 16 Madder Lake Cir, Commack | 1,348 | 07/02/2004 | $286,000 |
| 13 Madder Lake Cir, Commack | 06/18/2021 | $595,000 |