Nassau County  »  11565  »  William St  »  40 William St

40 William Street, Malverne, NY 11565 Property Information

40 William Street, Malverne, NY 11565 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

40 William Street, Malverne, NY 11565
static Mapbox map

Address

Primary address 40 William Street, Malverne
Zip code 11565
County Nassau
Town/City Hempstead
Village (swiss code) Malverne
Parcel ID 37-215-106

Sales & Tax Overview for 40 William Street, Malverne

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

Tax class
Current property tax $11,252

Lot & Building Information for 40 William Street, Malverne

Building sqft 1,836
Building class One Family Year - Round Residence (210.01)
Land Primary site
Topography Level
Acreage 0.134
Buildings on lot 1
Year built 1925
Stories 1.7
Style Cape
Rooms 6
Bathrooms 2
Attic None
Basement Full
Exterior wall Mas & frame
Heating type Central/AC
Heating system Central w ac
Fireplace 1
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Malverne UFSD

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

Other Property Data for 40 William Street, Malverne

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 40 William Street, Malverne , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 40 William Street, Malverne

What is the year built & the total sq. ft. for 40 William Street, Malverne, NY 11565?

40 William Street, Malverne, NY 11565 was built in 1925 and has a total of 1,836 square feet.

What is the assessed value of 40 William Street, Malverne, NY 11565 and the property tax paid?

Assessed at $500, the tax amount paid for 40 William Street, Malverne, NY 11565 is $11,252.

When was 40 William Street, Malverne, NY 11565 last sold?

40 William Street, Malverne, NY 11565 was last sold in 03/21/2012.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips 
When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.
Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 40 William Street, Malverne

Create a free account to view the complete sales history for 40 William Street, Malverne, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 40 William Street, Malverne

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
08/01/2012 - R
03/21/2012 - D
Deed
         
         
         
         
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 40 William Street, Malverne

Access detailed property tax data for 40 William Street, Malverne, NY 11565. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2026
Property tax $11,252
Tax class
Market value $500,000
Assessed value $500
School current tax bill
Transitional assessed value

Assessment History for 40 William Street, Malverne

Here's the assessment & property tax history for 40 William Street, Malverne, 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
2026 $500,000 $500 2250.483 $11,252 +3.34%
2025 $500,000 $500 2177.843 $10,889 -8.43%
2024 $532,000 $505 2354.897 $11,892 -9.98%
2023 $532,000 $532 2483.221 $13,211 -11.01%
2022 $532,000 $532 2790.412 $14,845 -22.17%

Permits for 40 William Street, Malverne

The complete history of permits filed for 40 William Street, Malverne, 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.

Data not available for this property.

Risk

Create a free account to unlock extended information for 40 William Street, Malverne, 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)

Transportation

Access the detailed traffic volume map for 40 William Street, Malverne 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

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Maurice W. Downing Primary K-2 School NR Public K-2 350 0.22
Our Lady of Lourdes School NR Private PK-8 266 0.23
Our Lady of Lourdes School NR Private PK-8 266 0.23
Our Lady of Lourdes School NR Private PK, K-8 0 0.25
Our Lady of Lourdes School NR Private PK, K-8 0 0.25

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Our Lady of Lourdes School NR Private PK-8 266 0.23
Our Lady of Lourdes School NR Private PK, K-8 0 0.25
Howard T Herber Middle School 7 Public 6-8 422 0.58
Valley Stream North High School 7 Public 7-12 1,249 0.98
Our Lady Of Peace School NR Private PK, K-8 287 1.00

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Malverne Senior High School 8 Public 9-12 628 0.64
Valley Stream North High School 7 Public 7-12 1,249 0.98
Lynbrook Senior High School 9 Public 9-12 850 1.32
Valley Stream Central High School 9 Public 10-12 1,078 1.50
West Hempstead High School 8 Public 7-12 783 1.52

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 40 William Street, Malverne

Here are the neighbors for 40 William Street, Malverne.

Address Square feet Purchase date Purchase price
4 Johnson Ave, Malverne 1,509 03/21/2025 $700,000
43 Rider Ave, Malverne 1,678 08/31/2000 $265,000
61 Charles St, Malverne 1,412 02/19/2019 $400,000
10 Johnson Ave, Malverne 1,474
3 Johnson Ave, Malverne 1,599 10/15/2009 $380,000
53 Charles St, Malverne 1,694 04/17/2023
11 Johnson Ave, Malverne 1,977
57 Charles St, Malverne 1,590 05/24/2006 $450,000
42 William St, Malverne 832 08/19/2021 $525,000
41 Charles St, Malverne 2,563 10/06/2006 $602,000
45 Charles St, Malverne 1,350
33 Charles St, Malverne 1,572 08/12/2015 $475,000
14 Johnson Ave, Malverne 1,976 09/28/2022 $667,000
22 Johnson Ave, Malverne 2,198 10/27/2016
25 Charles St, Malverne 1,812 06/17/2010 $365,000
7 Johnson Ave, Malverne 1,693 09/11/2009 $415,000
36 William St, Malverne 1,836 01/09/1996 $195,000
27 Rider Ave, Malverne 1,858 12/01/2014 $460,000
37 Rider Ave, Malverne 1,566 12/23/2009 $385,000
50 William St, Malverne 1,716

Nearby ZIP Codes for 40 William Street, Malverne

Not sure if we cover all the data-points you need? View sample full report View sample full report