| Primary address | 42 Porter Avenue |
| Secondary address | 115 Grattan St |
| Neighborhood | Williamsburg |
| Zip code | 11237 |
| Borough | Brooklyn |
| Block & lot | 03004-0030 |
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 | $5,695 |
| Lot sqft | 2,500 |
| Lot dimensions | |
| Building class | Primarily Four Family with One Store or Office (S4) |
| Building sqft | 5,250 |
| Building dimensions |
| Buildings on lot | 1 |
| Stories | 3 |
| Year built | 1931 |
| Construction type | Register |
| School district | 32 |
| Community district | 1 |
| Closest police station | 0.78 Miles |
| Closest fire station | 0.17 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 Primarily Four Family with One Store or Office (S4) located at 42 Porter Avenue, Brooklyn, NY 11237 has a total of 5,250 square feet.
What is the year built & the current market value of 42 Porter Avenue, Brooklyn, NY 11237?42 Porter Avenue, Brooklyn, NY 11237 was built in 1931 and has a current tax assessor's market value of $1,927,000.
How many commercial spaces does this building have?This building has 1 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 42 Porter Avenue, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
Access detailed property tax data for 42 Porter Avenue, Brooklyn, NY 11237. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $5,518 |
| Estimated property tax: | $5,695 |
| Tax assessor's market value: | $1,927,000 |
| Assessed value: | $867,150 |
| Exemptions granted by city: | Register |
Here's the assessment & property tax history for 42 Porter Avenue, 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 | $1,927,000 | $867,150 | $44,362 | 12.439% | $13,796 | $5,518 | +7.47% |
| 2024/25 | $1,808,000 | $813,600 | $41,077 | 12.5% | $12,837 | $5,135 | +7.98% |
| 2023/24 | $1,678,000 | $755,100 | $38,035 | 12.502% | $11,888 | $4,755 | +10.07% |
| 2022/23 | $1,649,000 | $742,050 | $35,218 | 12.267% | $10,801 | $4,320 | +0.26% |
| 2021/22 | $1,550,000 | $697,500 | $35,218 | 12.235% | $10,773 | $4,309 | +2.94% |
The complete history of permits filed for 42 Porter Avenue, 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: | 5 (See more on map) |
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Distance to Subway
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| Closest station | Morgan Ave & Harrison Pl at SE Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | L | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.16 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | Flushing Av/Knickerbocker Av | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B57 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.108 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Here are the neighbors for 42 Porter Avenue, Brooklyn, NY 11237.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 89 Grattan St, Brooklyn | 5,175 | 09/01/2016 | |
| 99 Grattan St, Brooklyn | 5,175 | 09/19/2019 | |
| 100 Harrison Pl, Brooklyn | 11/15/1994 | ||
| 94 Harrison Pl, Brooklyn | 5,175 | 08/25/1967 | |
| 111 Grattan St, Brooklyn | 07/19/1973 | ||
| 103 Grattan St, Brooklyn | 5,175 | 04/15/2019 | |
| 93 Grattan St, Brooklyn | 5,175 | 09/01/2016 | |
| 108 Harrison Pl, Brooklyn | 5,175 | 01/14/2003 | $365,000 |
| 106 Harrison Pl, Brooklyn | 2,500 | 10/18/2000 | |
| 96 Harrison Pl, Brooklyn | 5,175 | 05/23/2023 | $2,055,000 |
| 105 Grattan St, Brooklyn | 5,175 | 05/08/2007 | $640,000 |
| 107 Grattan St, Brooklyn | 5,175 | 02/25/1966 | |
| 112 Harrison Pl, Brooklyn | 5,250 | 04/30/2003 | $340,000 |
| 90 Harrison Pl, Brooklyn | 06/01/2001 | ||
| 87 Grattan St, Brooklyn | 5,000 | 06/22/2005 | $450,000 |
| 104 Harrison Pl, Brooklyn | 02/12/2004 | ||
| 102 Harrison Pl, Brooklyn | 11/15/1994 | ||
| 98 Harrison Pl, Brooklyn | 11/15/1994 |
