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2105 Blackrock Avenue, Bronx, NY 10472 Property Information

2105 Blackrock Avenue, Bronx, NY 10472 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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2105 Blackrock Avenue, Bronx, NY 10472 2
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Address

Primary address 2105 Blackrock Avenue
Secondary address 1060 Olmstead Ave
Neighborhood Unionport
Zip code 10472
Borough Bronx
Block & lot 03808-0001

Sales & Tax Overview for 2105 Blackrock Avenue, Bronx

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Tax class
Estimated property tax $73,173

Lot & Building Information for 2105 Blackrock Avenue, Bronx

Lot sq. ft. 4,658
Lot dimensions 53 ft x 85.58 ft
Property type Over Six Families without Stores (C1)
Building sqft 21,730
Building dimensions 53 ft x 82 ft
Buildings on lot 1
Stories 5
Year built 1927
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Zoning & Use for 2105 Blackrock Avenue, Bronx

Zoning
Residential units (DOF) 23
Regulated units
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 8
Community district 9
Closest police station 0.92 Miles
Closest fire station 0.26 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 2105 Blackrock Avenue, Bronx

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Floor area ratio (FAR) for 2105 Blackrock Avenue, Bronx, NY 10472, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for 2105 Blackrock Avenue, Bronx, NY 10472, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 1060 Olmstead Ave, Bronx, NY 10472

About 2105 Blackrock Avenue, Bronx

What is the year built & the total sq. ft. for 2105 Blackrock Avenue, Bronx, NY 10472?

2105 Blackrock Avenue, Bronx, NY 10472 was built in 1927 and has a total of 21,730 square feet.

What is the assessed value of 2105 Blackrock Avenue, Bronx, NY 10472 and the property tax paid?

Assessed at $633,600, the tax amount paid for 2105 Blackrock Avenue, Bronx, NY 10472 is $68,897. For the next year, the tax amount for 2105 Blackrock Avenue, Bronx, NY 10472 is estimated at $73,173.

When was 2105 Blackrock Avenue, Bronx, NY 10472 last sold?

2105 Blackrock Avenue, Bronx, NY 10472 was last sold in 11/10/1997.

How many residential units does this building have?

This building has 23 residential unit(s).

Ownership Information for 2105 Blackrock Avenue, Bronx

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Property owner name for 2105 Blackrock Avenue, Bronx, NY 10472
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Building contacts for 2105 Blackrock Avenue, Bronx, NY 10472
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M
New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
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Past Sales & Property History for 2105 Blackrock Avenue, Bronx

Create a free account to view the complete sales history for 2105 Blackrock Avenue, Bronx, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 2105 Blackrock Avenue, Bronx

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.

Date Type Amount Party 1 Party 2 Doc image
09/13/2021 - D
12/22/2021 - R
Memorandum of Lease
(2021101500879001)
05/22/2003 - R Initial UCC1
(2003042900706003)
03/21/2003 - D
07/09/2003 - R
Initial UCC1
(2003050602017001)
03/21/2003 - D
05/22/2003 - R
Agreement
(2003042900706002)
03/21/2003 - D
05/22/2003 - R
Mortgage
(2003042900706001)
11/10/1997 - R Deed
(2410005825841)
12/01/1992 - R Initial UCC1
(2920003899692)
11/25/1992 - R Agreement
(2850000846885)
07/17/1987 - R Assignment, Mortgage
(2450000685145)
07/17/1987 - R Mortgage
(2440000685144)
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R: Recorded date
D: Document date

Property Taxes for 2105 Blackrock Avenue, Bronx

Access detailed property tax data for 2105 Blackrock Avenue, Bronx, NY 10472. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $68,897
Estimated property tax: $73,173
Tax assessor's market value: $1,408,000
Assessed value: $633,600

Assessment History for 2105 Blackrock Avenue, Bronx

Here's the assessment & property tax history for 2105 Blackrock Avenue, Bronx, 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 $1,408,000 $633,600 $553,880 12.439% $68,897 $68,897 +0.34%
2024/25 $1,300,000 $585,000 $549,290 12.5% $68,661 $68,661 +1.11%
2023/24 $1,207,000 $543,150 $543,150 12.502% $67,905 $67,905 -1.79%
2022/23 $1,296,000 $583,200 $563,670 12.267% $69,145 $69,145 +21.69%
2021/22 $1,032,000 $464,400 $464,400 12.235% $56,819 $56,819 -17.43%

Permits for 2105 Blackrock Avenue, Bronx

The complete history of permits filed for 2105 Blackrock Avenue, Bronx, 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.

Filing date Job type Job status Job description Initial cost
08/09/2022 Alteration
07/13/2022 Alteration
03/23/2022 Alteration
01/28/2022 Alteration
07/10/2018 Alteration type 2
10/22/2012 Alteration type 2
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Bronx Commercial Market Stats

Access a detailed real estate market overview of Bronx so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Bronx and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$332
8.3% YoY
Median Price/Sqft Q4/2025
$294
0.8% YoY
Median Price/Sqft 2025
$292
-1.2% YoY

Check out recently sold homes in Bronx and see how their prices compare.

Risk

FEMA flood zone(s): X (See more on map)
Hurricane evacuation zone: 6 (See more on map)

Transportation

Distance to Subway
Closest station Castle Hill Ave & Westchester Ave at SW Corner
Station lines 6
Distance (miles) 0.37
View subway map
Bus Routes
Name Cross BX SVC Rd/Castle Hill Av
Line Q44+
Distance (miles) 0.15

Neighbors for 2105 Blackrock Avenue, Bronx

Here are the neighbors for 2105 Blackrock Avenue, Bronx, NY 10472.

Address Square feet Purchase date Purchase price
2129 Chatterton Ave, Bronx 3,486 01/06/2000
1074 Olmstead Ave, Bronx 3,011 07/03/2014
2137 Chatterton Ave, Bronx 3,486 06/27/2024
1068 Olmstead Ave, Bronx 1,180 05/23/2016 $415,000
2112 Watson Ave, Bronx 3,372 09/15/2015 $555,000
2116 Watson Ave, Bronx 3,372 01/31/1972
2113 Chatterton Ave, Bronx 1,486 01/30/2006 $515,000
2115 Chatterton Ave, Bronx 766 07/15/2005
2131 Chatterton Ave, Bronx 3,486 12/18/2024 $1,220,000
2100 Watson Ave, Bronx 3,250 01/31/2017 $242,500
2120 Watson Ave, Bronx 2,048 10/06/2005 $445,000
2123 Chatterton Ave, Bronx 3,486 09/24/2001
1078 Olmstead Ave, Bronx 1,616 11/29/2006 $490,000
2110 Watson Ave, Bronx 3,791 02/11/1980
2121 Chatterton Ave, Bronx 1,648 01/04/2012 $387,000
2118 Watson Ave, Bronx 2,248 06/03/2022 $850,000
2117 Chatterton Ave, Bronx 2,100 03/13/2008 $370,000
2133 Chatterton Ave, Bronx 3,486 11/14/2018 $810,000
2122 Watson Ave, Bronx 2,096 03/20/2024 $10
2127 Chatterton Ave, Bronx 3,486 07/22/2003
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