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145 Library Lane, Mamaroneck, NY 10543 Property Information

145 Library Lane, Mamaroneck, NY 10543 Property Information

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  • Owner
  • Documents
  • Tax
  • Neighborhood
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145 Library Lane, Mamaroneck, NY 10543
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Address

Primary address 145 Library Lane, Mamaroneck
Zip code 10543
County Westchester
Municipality Mamaroneck
Parcel ID 9.13-319-0

Sales & Tax Overview for 145 Library Lane, Mamaroneck

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

Sale date 05/01/2018
Sale price $800,000
Arm's length
Current property tax $57,888

Lot & Building Information for 145 Library Lane, Mamaroneck

Building sqft 16,312
Building class Apartments (411)
Acreage 0.19
Lot dimensions 54 ft X 96 ft
Frontage 54
Depth 96
Year built 2020
Stories 5
Water supply Comm/public
Sewer Comm/public
Garage sqft
Story height
Elevator 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Mamaroneck

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Other Property Data for 145 Library Lane, Mamaroneck

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About 145 Library Lane, Mamaroneck

What is the year built & the total sq. ft. for 145 Library Lane, Mamaroneck, NY 10543?

145 Library Lane, Mamaroneck, NY 10543 was built in 2020 and has a total of 16,312 square feet.

What is the assessed value of 145 Library Lane, Mamaroneck, NY 10543 and the property tax paid?

Assessed at $3,550,000, the tax amount paid for 145 Library Lane, Mamaroneck, NY 10543 is $75,100.

When was 145 Library Lane, Mamaroneck, NY 10543 last sold and what was the last sale price?

145 Library Lane, Mamaroneck, NY 10543 was last sold in 05/01/2018 for $800,000.

How many residential units does this building have?

This building has 9 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
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, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 145 Library Lane, Mamaroneck

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Purchase date Purchase price Buyer name Seller name
05/01/2018 $800,000
05/04/2005 $610,000
       
       
       
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Title Documents for 145 Library Lane, Mamaroneck

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Date Type Amount Party 1 Party 2 Doc image
08/25/2020 - D
09/02/2020 - R
Mortgage
05/01/2018 - D
05/10/2018 - R
Deed
05/04/2005 - D
06/03/2005 - R
Deed
           
           
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R: Recorded date
D: Document date

Property Taxes for 145 Library Lane, Mamaroneck

Access detailed property tax data for 145 Library Lane, Mamaroneck, NY 10543. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025
Base tax $75,100
Current property tax $57,888
Market value $3,550,000
Assessed value $3,550,000

Assessment History for 145 Library Lane, Mamaroneck

Here's the assessment & property tax history for 145 Library Lane, Mamaroneck, 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 $3,550,000 $3,550,000 21.155 $75,100 -0.39%
2024 $3,550,000 $3,550,000 21.2384 $75,396 -7.12%
2023 $3,550,000 $3,550,000 22.8669 $81,177 +4.12%
2022 $3,250,000 $3,250,000 23.9884 $77,962 +1.51%
2021 $3,150,000 $3,150,000 24.3829 $76,806 +91.50%

Mamaroneck residential market stats

Median Sale Price
$1,100,000
-10.3% YoY
Median Price/Sqft
$535
-8.4% YoY
Westchester County Median Sale Price
$850,000
3.7% YoY

Access a detailed real estate market overview of Mamaroneck so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Mamaroneck and compare it to other neighborhoods in Westchester County.

Demographics by Zip Code

Total population 20,989
Median age 39.8
Average household income $202,707
Family households 71.7%
Occupied housing units 7,630
Owner occupied units 58.2%
Average number of people per household 2.71
Median year structure built 1954
Median value for units with a mortgage $756,700
Median value for units without a mortgage $688,400

Risk

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FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 145 Library Lane, Mamaroneck to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Neighbors for 145 Library Lane, Mamaroneck

Here are the neighbors for 145 Library Lane, Mamaroneck.

Address Square feet Purchase date Purchase price
132 W Boston Post Rd, Mamaroneck 4,875 10/17/2003 $625,000
126 Library Ln, Mamaroneck 2,546 03/08/2016 $478,805
818 The Crescent, Mamaroneck 5,811 04/17/2006
133 E Prospect Ave, Mamaroneck 1,940 12/09/2014 $400,000
601 Orienta Ave, Mamaroneck 2,808 02/14/2012
611 Orienta Ave, Mamaroneck 4,090 05/16/2024 $3,150,000
911 Cove Rd E, Mamaroneck 2,662 11/25/2024 $2,110,000
118 MT Pleasant Ave, Mamaroneck 4,449 07/29/2008 $825,000
135 Mamaroneck Ave, Mamaroneck 611 04/28/2026 $550,000
137 Mamaroneck Ave, Mamaroneck 4,200
136 Library Ln, Mamaroneck 3,289
134 W Boston Post Rd #36, Mamaroneck 3,690
139 E Prospect Ave, Mamaroneck 2,696 12/09/2014 $500,000
555 Orienta Ave, Mamaroneck 4,140 09/28/2011
621 Orienta Ave, Mamaroneck 2,493 08/30/2023
917 Cove Rd E, Mamaroneck 2,808 05/07/2025 $10
138 W Boston Post Rd #40, Mamaroneck 4,680
101 Fenimore Rd #47, Mamaroneck 26,415
128 W Boston Post Rd, Mamaroneck 5,088 09/01/2009 $8,000,000
169 MT Pleasant Ave, Mamaroneck 12,384

Nearby ZIP Codes for 145 Library Lane, Mamaroneck

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