William St, West Hempstead, NY Property Records

Nassau County and Hempstead Town property records for 33 addresses on William St, West Hempstead, NY · Last verified August 2026

William St Highlights

Properties 33
Median Sale Price $539,000
Deeds and Mortgages on File 29
Median Price per Sqft $362
Owner Occupied 88%
Median Annual Tax Bill $12,543
Median Year Built 1951
Median Ownership Tenure 13 years

Properties on William St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

210 William St

2 ba · 1,270 sqft · built 1958 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Mar 2020 $13,3412025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

219 William St

2 ba · 1,296 sqft · built 1958 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,4622025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

220 William St

2 ba · 1,075 sqft · built 1952 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,000Nov 2019 $11,5452025 Amount on Record Feb 2018 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

224 William St

3 ba · 1,763 sqft · built 1952 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Jan 2018 $12,7422025 Amount on Record Apr 2006 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

225 William St

2 ba · 1,121 sqft · built 1951 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,000Nov 1998 $9,8572025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

228 William St

3 ba · 1,824 sqft · built 1951 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Aug 2000 $13,7452025 —Aug 2000 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

229 William St

2 ba · 1,075 sqft · built 1951 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,0982025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

232 William St

3 bd · 2 ba · 1,075 sqft · built 1952 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Apr 2014 $11,9202025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

233 William St

2 ba · 1,578 sqft · built 1951 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,000Jun 2002 $14,1152025 Amount on Record Aug 1999 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

236 William St

2 ba · 1,135 sqft · built 1951 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jun 1995 $11,6642025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

239 William St

1 ba · 1,059 sqft · built 1955 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,7542025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

241 William St

3 ba · 1,402 sqft · built 1951 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000May 2018 $12,0292025 Amount on Record May 2007 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

242 William St

2.5 ba · 1,998 sqft · built 1970 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$287,000Jan 2002 $14,1442025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

245 William St

4 bd · 4 ba · 2,250 sqft · built 1970 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$523,000Apr 2017 $16,3052025 Amount on Record Mar 2011 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

248 William St

2 ba · 1,483 sqft · built 1955 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Mar 2005 $12,9192025 —Oct 1995 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

253 William St

1 ba · 1,410 sqft · built 1940 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$870,000Mar 2026 $13,0092025 Amount on Record Sep 2025 2 Owners on Record Assessor + 2 DocumentsUpdated Jul 2026

256 William St

3 bd · 1 ba · 1,396 sqft · built 1940 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Nov 2013 $11,9722025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

257 William St

2.5 ba · 1,387 sqft · built 1940 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$539,000Nov 2019 $12,5432025 —Oct 2010 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

260 William St

2 ba · 1,911 sqft · built 1940 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2001 $15,2142025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

278 William St

2 ba · 2,250 sqft · built 1972 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$545,000Dec 2006 $13,6882025 Amount on Record Jan 2000 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

281 William St

1 ba · 1,266 sqft · built 1947 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Aug 2025 $12,1772025 Amount on Record May 2007 Owner on Record AssessorUpdated Jul 2026

285 William St

2 ba · 1,718 sqft · built 1947 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000May 2001 $13,2892025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

286 William St

3 ba · 2,050 sqft · built 1972 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2021 $15,9922025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

300 William St

2 ba · 1,283 sqft · built 1954 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$174,500Jun 1998 $12,6002025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

311 William St

2 ba · 1,437 sqft · built 1947 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Feb 2013 $13,2032025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

314 William St

1.5 ba · 1,352 sqft · built 1954 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,2502025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

315 William St

1 ba · 1,331 sqft · built 1947 · 0.094 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,5422025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

328 William St

2 ba · 1,425 sqft · built 1957 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$641,000Jun 2025 $13,7972025 Amount on Record Jul 2004 2 Owners on Record AssessorUpdated Jun 2026

338 William St

1 ba · 1,008 sqft · built 1948 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$360,000Apr 2018 $9,5782025 2 Owners on Record Owner Occupied Assessor + 6 DocumentsUpdated Jun 2026

342 William St

2 ba · 1,056 sqft · built 1948 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2003 $11,5502025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

346 William St

2 ba · 1,056 sqft · built 1948 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$372,000Aug 2004 $12,3522025 —Aug 2004 Owner on Record Owner Occupied AssessorUpdated Jul 2026

352 William St

2 ba · 1,440 sqft · built 1948 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9672025 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

364 William St

1 ba · 1,376 sqft · built 1957 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,6902025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

Property Records in Nearby Streets