Public Records
Edition
PhiladelphiaBuilt on public City of Philadelphia recordsJuly 8, 2026

Who owns your block

900 block of Mountain St

A mostly owner-occupied block: 81% of homes are lived in by their owners, with 1 home behind $957 on taxes.

Every parcel on the block, colored by who owns it. Tap a parcel for the owner and its city record.

By the Numbers

Median value
$324K
$281K–$832K
Recent sale
$340K
1 sold in 2yr
assessed $324K
Median built
1920
year built
city 1925
Owner-occupied
81%
26 of 32
Open violations
0
none on record
▼ block 0% · city 5%
Back taxes
$957
1 of 32 behind
▼ block 3% · city 9%

Schools

The public schools this block is zoned for — its official School District of Philadelphia catchments.

Elementary & Middle · K-8
Southwark
1835 S 9th St · 889 students
High · 9-12
South Philadelphia HS
2101 S Broad St · 647 students

Catchment assignments from the School District of Philadelphia via City of Philadelphia open data. Confirm with the District before enrollment decisions.

Who owns it

Ownership of 32 parcels

Owner-occupied: 26Absentee individual: 6 32parcels
  • Owner-occupied 26
  • Absentee individual 6

Value distribution today

12 parcels11 parcels3 parcels0 parcels1 parcels2 parcels3 parcels
$281K$491K+

No multi-home or corporate owners on this block — every home has its own owner.

House by house

All 32 homes on the block — value and 12-year trajectory, ownership, and the paper trail on the ones that were bought, built, torn down, or flipped. Sorted up the street; each links to its full city record — or download the roster (CSV).

AddressOwnershipValue & trendSq ftBuiltSalesFlags
905 MOUNTAIN ST Absentee individual $357K 1920 0
907 MOUNTAIN ST Owner-occupied $281K 1920 0
908 MOUNTAIN ST Owner-occupied $333K 1960 0
909 MOUNTAIN ST Owner-occupied $281K 1920 0
910 MOUNTAIN ST Owner-occupied $443K 1960 0
911 MOUNTAIN ST Absentee individual $282K 1920 0
912 MOUNTAIN ST Owner-occupied $341K 1960 0
913 MOUNTAIN ST Owner-occupied $295K 1920 0
914 MOUNTAIN ST Owner-occupied $411K 1960 0
915 MOUNTAIN ST Owner-occupied $295K 1920 0
916 MOUNTAIN ST Owner-occupied $343K 1960 0
917 MOUNTAIN ST Owner-occupied $321K 1920 0
918 MOUNTAIN ST Owner-occupied $313K 1960 0
919 MOUNTAIN ST Owner-occupied $330K 1920 0
920 MOUNTAIN ST Owner-occupied $324K 1960 0
921 MOUNTAIN ST Owner-occupied $603K 1920 0
922 MOUNTAIN ST Owner-occupied $491K 1960 0
923 MOUNTAIN ST Owner-occupied $292K 1920 0
924 MOUNTAIN ST Owner-occupied $454K 1960 0
925 MOUNTAIN ST Owner-occupied $325K 1920 0
926-28 MOUNTAIN ST Owner-occupied $832K 1960 0
927 MOUNTAIN ST Owner-occupied $325K 1920 0
929 MOUNTAIN ST Owner-occupied $303K 1920 0
930 MOUNTAIN ST Owner-occupied $300K 1920 0
931 MOUNTAIN ST Absentee individual $330K 1920 0
932 MOUNTAIN ST Owner-occupied $285K 1920 0
933 MOUNTAIN ST Owner-occupied $330K 1920 0
934 MOUNTAIN ST Owner-occupied $312K 1920 0
935 MOUNTAIN ST Absentee individual $326K 1920 0
936-40 MOUNTAIN ST Absentee individual $289K 1925 0
937 MOUNTAIN ST Owner-occupied $310K 1920 0
939 MOUNTAIN ST Absentee individual $299K 1920 0

Neighborhood

Neighborhood income and demographics are coming soon.

Generated 2026-07-08 from public City of Philadelphia records  ·  Download this block's data (CSV)

Where this comes from

City datasets are fetched live from OpenDataPhilly (phl.carto.com) and cached briefly. AI-written passages are generated from these records only and rejected if they state a number the record doesn't hold.