| Primary address | 421 East 21st Street |
| Secondary address | 421-425 E 21st St |
| Neighborhood | Flatbush |
| Zip code | 11226 |
| Borough | Brooklyn |
| Block & lot | 05152-0020 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Tax class | Register |
| Estimated property tax | $123,940 |
| Lot sqft | 9,050 |
| Lot dimensions | |
| Building class | Walk-up Apartment - Over Six Families with Stores (C7) |
| Building sqft | 21,400 |
| Building dimensions |
| Buildings on lot | 1 |
| Stories | 4 |
| Year built | 1918 |
| Year last altered | 1995 |
| Construction type | Register |
| School district | 22 |
| Community district | 15 |
| Closest police station | 1.22 Miles |
| Closest fire station | 0.49 Miles |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
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You will find all alternate addresses for the property in this section.
This Walk-up Apartment - Over Six Families with Stores (C7) located at 421 East 21st Street, Brooklyn, NY 11226 has a total of 21,400 square feet.
What is the year built & the current market value of 421 East 21st Street, Brooklyn, NY 11226?421 East 21st Street, Brooklyn, NY 11226 was built in 1918 and has a current tax assessor's market value of $2,015,000.
How many commercial spaces does this building have?This building has 5 commercial spaces available for lease.
View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.
Create a free account to view the complete sales history for 421 East 21st Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
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 421 East 21st Street, Brooklyn, NY 11226. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $112,791 |
| Estimated property tax: | $123,940 |
| Tax assessor's market value: | $2,015,000 |
| Assessed value: | $906,750 |
Here's the assessment & property tax history for 421 East 21st Street, Brooklyn, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessed value | Taxable | Tax rate % | Base tax | Property tax | Year over year change |
|---|---|---|---|---|---|---|---|
| 2025/26 | $2,015,000 | $906,750 | $906,750 | 12.439% | $112,791 | $112,791 | -4.81% |
| 2024/25 | $2,157,000 | $970,650 | $947,880 | 12.5% | $118,485 | $118,485 | +3.31% |
| 2023/24 | $2,475,000 | $1,113,750 | $917,370 | 12.502% | $114,690 | $114,690 | +9.55% |
| 2022/23 | $2,075,000 | $933,750 | $853,470 | 12.267% | $104,695 | $104,695 | +5.94% |
| 2021/22 | $1,822,000 | $819,900 | $807,750 | 12.235% | $98,828 | $98,828 | +2.16% |
The complete history of permits filed for 421 East 21st Street, Brooklyn, 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 Brooklyn so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Brooklyn and compare it to other boroughs in New York City.
Check out recently sold homes in Brooklyn and see how their prices compare.
| FEMA flood zone(s): | X (See more on map) |
| Hurricane evacuation zone: | 6 (See more on map) |
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Distance to Subway
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| Closest station | Marlborough Rd & Beverly Rd at SE Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | B-Q | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.314 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | Flatbush Av/Beverly Rd | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B41 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.033 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Here are the neighbors for 421 East 21st Street, Brooklyn, NY 11226.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 799 Coney Island Ave, Brooklyn | 2,900 | 01/24/2017 | |
| 1111 Flatbush Ave, Brooklyn | 4,800 | 12/26/2000 | |
| 221 Veronica Pl, Brooklyn | 10/21/2013 | ||
| 1509 Newkirk Ave, Brooklyn | |||
| 343 Marlborough Rd, Brooklyn | 9,856 | 02/04/2015 | $3,150,000 |
| 1021 Rogers Ave, Brooklyn | 3,960 | 06/25/2025 | |
| 2621 Cortelyou Rd, Brooklyn | 49,640 | 03/14/2005 | $5,464,242 |
| 1283 Rogers Ave, Brooklyn | 5,350 | 09/18/2018 | $1,650,000 |
| 1512 Beverley Rd, Brooklyn | |||
| 1025 Rogers Ave, Brooklyn | 2,090 | 01/27/2025 | $850,000 |
| 2710-2720 Tilden Ave, Brooklyn | 2,700 | 06/03/2010 | $456,300 |
| 163 Veronica Pl, Brooklyn | 6,350 | 02/21/2017 | $1,212,500 |
| 1246 Rogers Ave, Brooklyn | 4,586 | 05/19/2006 | $76,659 |
| 2303 Clarendon Rd, Brooklyn | 13,036 | 05/16/2024 | $1,275,000 |
| 1143 Flatbush Ave, Brooklyn | 9,300 | 03/18/1992 | |
| 173 Veronica Pl, Brooklyn | 2,850 | 08/24/2007 | $792,500 |
| 557 E 21st St, Brooklyn | 41,226 | 04/21/1994 | |
| 270-282 Beverley Rd, Brooklyn | 22,430 | ||
| 349 Marlborough Rd, Brooklyn | 9,856 | 02/04/2015 | $3,150,000 |
| 1023 Rogers Ave, Brooklyn | 3,240 | 03/04/1983 |
