| Primary address | 20 Mason Street, Hempstead |
| Zip code | 11550 |
| County | Nassau |
| Town/City | Hempstead |
| Village (swiss code) | Hempstead |
| Parcel ID | 34-G-132 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Building sqft | 1,456 |
| Building class | Two Family Year - Round Residence (220.01) |
| Land | Primary site |
| Topography | Level |
| Acreage | 0.138 |
| Buildings on lot | 1 |
| Year built | 1940 |
| Stories | 2 |
| Style | Duplex Or Triplex |
| Rooms | 8 |
| Bathrooms | 2 |
| Attic | None |
| Basement | Full |
| Exterior wall | Alum/Vinyl |
| Heating type | Central |
| Heating system | Steam and vapor |
| Zoning district | Register (See more on map) |
| School district | Hempstead SD |
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:
20 Mason Street, Hempstead, NY 11550 was built in 1940 and has a total of 1,456 square feet.
What is the assessed value of 20 Mason Street, Hempstead, NY 11550 and the property tax paid?Assessed at $335, the tax amount paid for 20 Mason Street, Hempstead, NY 11550 is $8,435.
When was 20 Mason Street, Hempstead, NY 11550 last sold?20 Mason Street, Hempstead, NY 11550 was last sold in 08/20/2013.
How many residential units does this building have?This building has 2 residential unit(s).
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 20 Mason Street, Hempstead, 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 20 Mason Street, Hempstead, NY 11550. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2026 |
| Property tax | $8,436 |
| Tax class | Register |
| Market value | $335,000 |
| Assessed value | $335 |
Here's the assessment & property tax history for 20 Mason Street, Hempstead, 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 | $335,000 | $335 | 2537.866 | $8,502 | -6.68% |
| 2024 | $335,392 | $335 | 2719.393 | $9,110 | -7.62% |
| 2023 | $335,000 | $335 | 2943.81 | $9,862 | -10.70% |
| 2022 | $335,000 | $335 | 3296.383 | $11,043 | -12.31% |
| 2021 | $325,000 | $325 | 3874.779 | $12,593 | +26.53% |
The complete history of permits filed for 20 Mason Street, Hempstead, 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 Hempstead so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Hempstead and compare it to other neighborhoods in Nassau County.
Check out recently sold homes in Hempstead and see how their prices compare.
Create a free account to unlock extended information for 20 Mason Street, Hempstead, 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 20 Mason Street, Hempstead 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) |
|---|---|---|---|---|---|
| Evergreen Charter School | 5 | Charter | K-11 | 966 | 0.07 |
| Joseph McNeil School | 3 | Public | 1-6 | 401 | 0.32 |
| Crescent School | NR | Private | PK-12 | 239 | 0.53 |
| Crescent School | NR | Private | PK-12 | 239 | 0.53 |
| Prospect Elementary School | NR | Public | PK, K | 414 | 0.64 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Evergreen Charter School | 5 | Charter | K-11 | 966 | 0.07 |
| Crescent School | NR | Private | PK-12 | 239 | 0.53 |
| Alverta B Gray Schultz Middle School | 3 | Public | 7-8 | 938 | 0.68 |
| Academy Charter School | 8 | Charter | K-12 | 1,880 | 0.92 |
| Hebrew Academy Of Nassau County | NR | Private | PK-12 | 1,107 | 0.97 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Evergreen Charter School | 5 | Charter | K-11 | 966 | 0.07 |
| Hempstead High School | 2 | Public | 9-12 | 1,866 | 0.20 |
| Crescent School | NR | Private | PK-12 | 239 | 0.53 |
| Sacred Heart Academy | NR | Private | 9-12 | 853 | 0.79 |
| Academy Charter School | 8 | Charter | K-12 | 1,880 | 0.92 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Mason Street, Hempstead.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 23 Rose Ave, Hempstead | 1,144 | ||
| 11 Seabury St, Hempstead | 2,050 | 01/23/2004 | $328,000 |
| 182 W Graham St, Hempstead | 1,630 | 09/26/2005 | $420,000 |
| 60 Mason St, Hempstead | 1,466 | 10/04/2011 | $120,000 |
| 147 Graham Ave, Hempstead | 3,197 | 07/30/2010 | |
| 15 Seabury St, Hempstead | 2,236 | 04/22/1993 | $110,500 |
| 615 Peninsula Blvd, Hempstead | 8,878 | 11/30/2017 | |
| 22 Mason St, Hempstead | 1,075 | 05/25/2007 | $300,000 |
| 50 Mason St, Hempstead | 1,856 | 12/18/2025 | |
| 56 Mason St, Hempstead | 1,550 | 06/14/2024 | $670,000 |
| 5 Seabury St, Hempstead | 1,821 | 09/24/2009 | $120,516 |
| 127 W Graham Ave, Hempstead | 1,962 | 07/07/2011 | |
| 17 Seabury St, Hempstead | 1,690 | 05/24/2010 | |
| 627 Peninsula Blvd, Hempstead | 2,700 | 07/31/2019 | $722,500 |
| 44 Mason St, Hempstead | 2,000 | 11/09/2017 | |
| 7 Seabury St, Hempstead | 2,050 | 12/04/2025 | $730,000 |
| 655-665 Peninsula Blvd, Hempstead | 1,908 | 03/18/2016 | |
| 27 Rose Ave, Hempstead | 1,233 | 07/26/2001 | $161,860 |
| 9 Seabury St, Hempstead | 1,098 | 01/24/2024 | $565,000 |
| 40 Mason St, Hempstead | 1,824 | 06/04/2025 | $525,000 |