| Primary address | 123 Monroe Street, Mastic |
| Zip code | 11950 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 4011110 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/10/2009 |
| Sale price | $255,000 |
| Arm's length | Register |
| Current property tax | $5,620 |
| Building sqft | 1,016 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.34 |
| Year built | 1971 |
| Rooms | 6 |
| Bedrooms | 3 |
| Bathrooms | 1 |
| Zoning district | Register |
| School district | William Floyd |
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:
123 Monroe Street, Mastic, NY 11950 was built in 1971 and has a total of 1,016 square feet.
What is the assessed value of 123 Monroe Street, Mastic, NY 11950 and the property tax paid?Assessed at $1,710, the tax amount paid for 123 Monroe Street, Mastic, NY 11950 is $6,325.
When was 123 Monroe Street, Mastic, NY 11950 last sold?123 Monroe Street, Mastic, NY 11950 was last sold in 07/28/2023.
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 123 Monroe Street, Mastic, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 12/10/2009 | $255,000 | 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 123 Monroe Street, Mastic, NY 11950. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $6,325 |
| Current property tax | $5,620 |
| Market value | $322,642 |
| Assessed value | $1,710 |
Here's the assessment & property tax history for 123 Monroe Street, Mastic, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $322,642 | $1,710 | 369.908 | $6,325 | +1.72% |
| 2024-2025 | $322,642 | $1,710 | 363.67 | $6,219 | +2.08% |
| 2023-2024 | $316,667 | $1,710 | 356.252 | $6,092 | -12.23% |
| 2022-2023 | $275,806 | $1,710 | 405.87 | $6,940 | -3.28% |
| 2021-2022 | $231,081 | $1,710 | 419.634 | $7,176 | +0.99% |
The complete history of permits filed for 123 Monroe Street, Mastic, 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 Brookhaven so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Brookhaven and compare it to other neighborhoods in Suffolk County.
Create a free account to unlock extended information for 123 Monroe Street, Mastic, 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 123 Monroe Street, Mastic 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) |
|---|---|---|---|---|---|
| William Floyd Elementary School | 4 | Public | K-5 | 742 | 0.59 |
| William Floyd Learning Center | NR | Public | K-5 | 68 | 0.59 |
| John S Hobart Elementary School | 3 | Public | K-5 | 798 | 0.67 |
| Nathaniel Woodhull Elementary School | 6 | Public | K-5 | 703 | 0.91 |
| Tangier Smith Elementary School | 5 | Public | K-5 | 755 | 1.35 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Paca Middle School | 4 | Public | 6-8 | 1,009 | 1.20 |
| William Floyd Middle School | 3 | Public | 6-8 | 1,053 | 2.19 |
| Center Moriches Middle School | 3 | Public | 6-8 | 325 | 2.64 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 3.03 |
| Our Lady Queen Of Apostles Reg Catholic School | NR | Private | PK-8 | 153 | 3.53 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| William Floyd High School | 5 | Public | 9-12 | 3,013 | 1.01 |
| Center Moriches High School | 8 | Public | 9-12 | 556 | 2.64 |
| Eastport South Manor Junior Senior High School | 5 | Public | 7-12 | 1,530 | 3.03 |
| Bellport Senior High School | 5 | Public | 9-12 | 1,392 | 3.85 |
| Leonard E Burket Christian School | NR | Private | PK-12 | 77 | 3.88 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 123 Monroe Street, Mastic.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 55 Somerset Ave, Mastic | 1,640 | 08/30/2017 | $252,000 |
| 116 Monroe St, Mastic | 1,956 | 10/31/2023 | $595,000 |
| 51 Somerset Ave, Mastic | 935 | 03/24/2017 | $191,000 |
| 63 Somerset Ave, Mastic | 1,012 | 04/27/2012 | $140,000 |
| 118 Madison St, Mastic | 2,072 | 11/23/2021 | $400,000 |
| 29 Somerset Ave, Mastic | 1,408 | ||
| 53 Somerset Ave, Mastic | 1,329 | 02/10/2015 | |
| 122 Madison St, Mastic | 2,200 | 04/01/2020 | $269,000 |
| 117 Monroe St, Mastic | 1,196 | 02/26/2007 | $286,200 |
| 65 Somerset Ave, Mastic | 1,008 | 07/13/2022 | $329,900 |
| 119 Monroe St, Mastic | 967 | 01/30/2015 | |
| 35 Somerset Ave, Mastic | 2,184 | ||
| 45 Somerset Ave, Mastic | 1,376 | 03/24/2022 | |
| 120 Monroe St, Mastic | 1,308 | 03/30/2020 | $275,000 |
| 126 Monroe St, Mastic | 2,452 | 04/08/2011 | $259,000 |
| 31 Somerset Ave, Mastic | 1,140 | 12/27/1996 | $87,500 |
| 127 Monroe St, Mastic | 1,085 | 02/21/2020 | $295,000 |
| 126 Madison St, Mastic | 768 | 07/07/2020 | $303,000 |
| 115 Monroe St, Mastic | |||
| 112 Monroe St, Mastic |