Prospect St, Mount Washington, PA Property Records

Allegheny County property records for 12 addresses on Prospect St, Mount Washington, PA · Last verified July 2026

Prospect St Highlights

Properties 12
Median Sale Price $50,000
Deeds and Mortgages on File 11
Median Price per Sqft $40
Owner Occupied 42%
Median Annual Tax Bill $398
Median Year Built 1900
Median Ownership Tenure 3 years

Properties on Prospect St

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

3 Prospect St

3 bd · 1.5 ba · 1,651 sqft · built 1844 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$43,200Nov 1996 $3082026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

120 Prospect St

6 bd · 3 ba · 3,152 sqft · built 1910 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Sep 2017 $7502026 Amount on Record Jun 2010 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

122 Prospect St

2 bd · 1 ba · 2,044 sqft · built 1902 · 0.055 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,400Oct 1978 $2352026 Owner on Record Owner Occupied AssessorUpdated Jun 2026

126 Prospect St

3 bd · 1 ba · 1,882 sqft · built 1900 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1966 $2592026 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

128 Prospect St

2 bd · 1 ba · 1,740 sqft · built 1910 · 0.084 acres

Last Sale Tax Bill Prior Sale Owner Records
$27,000Aug 1979 $2842026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

130 Prospect St

4 bd · 4.5 ba · 4,115 sqft · built 1890 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Apr 2019 $2,9632026 —May 2015 Owner on Record AssessorUpdated Jun 2026

132 Prospect St

0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Nov 2024 $3312025 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

134 Prospect St

0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Nov 2024 $812026 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

136 Prospect St

3 bd · 2 ba · 1,736 sqft · built 1890 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,960,479Dec 2023 $5832026 Amount on Record Jun 1998 2 Owners on Record Assessor + 1 DocumentUpdated Jun 2026

138 Prospect St, #140

3 bd · 1.5 ba · 2,808 sqft · built 1900 · 0.099 acres

Last Sale Tax Bill Prior Sale Owner Records
$1Dec 2023 $5482026 Amount on Record — Owner on Record Assessor + 1 DocumentUpdated Jun 2026

144 Prospect St

4 bd · 1.5 ba · 1,242 sqft · built 1900 · 0.105 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Nov 2023 $3982026 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

146 Prospect St

3 bd · 2 ba · 2,032 sqft · built 1890 · 0.049 acres

Last Sale Tax Bill Prior Sale Owner Records
$1Dec 2023 $4802026 Amount on Record — Owner on Record Assessor + 1 DocumentUpdated Jun 2026

Property Records in Nearby Streets