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

Who owns your block

400 block of Master St

A mixed-ownership block: 43% owner-occupied, 3% investor-held, with 3 open code violations and 2 homes behind $73,632 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
$578K
$114K–$930K
Recent sale
$645K
3 sold in 2yr
assessed $578K
Median built
2017
year built
city 1925
Owner-occupied
43%
13 of 30
Open violations
3
L&I code
▼ block 3% · city 5%
Back taxes
$74K
2 of 30 behind
▼ block 7% · city 9%

Schools

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

Elementary & Middle · K-8
James R Ludlow
550 W Master St · 237 students
High · 6-12
Penn Treaty HS
600 E Thompson St · 345 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 30 parcels

Owner-occupied: 13Investor / LLC: 1Absentee individual: 13Vacant: 3 30parcels
  • Owner-occupied 13
  • Investor / LLC 1
  • Absentee individual 13
  • Vacant 3

Value distribution today

2 parcels2 parcels6 parcels4 parcels1 parcels1 parcels14 parcels
$114K$749K+
OwnerOn blockOwns citywidePortfolio valueSource
428 Master Llc11$450Kphila.gov ↗

House by house

All 30 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
403 MASTER ST Absentee individual $471K 1920 0
405 MASTER ST Owner-occupied $298K 1920 0
407 MASTER ST Owner-occupied $378K 1920 0
408 MASTER ST Absentee individual $400K 1920 0
409 MASTER ST Vacant $151K 0
410 MASTER ST Owner-occupied $373K 1920 0
411 MASTER ST Owner-occupied $347K 1920 0 3 viol
412 MASTER ST Owner-occupied $313K 1920 0
413 MASTER ST Owner-occupied $930K 1930 0
414 MASTER ST Vacant $114K 0
416 MASTER ST Owner-occupied $263K 1920 0
418 MASTER ST Absentee individual $279K 1920 0
420 MASTER ST Absentee individual $370K 1920 0
422 MASTER ST Owner-occupied $498K 2015 0
424 MASTER ST Absentee individual $460K 2015 0
427-35 MASTER ST Vacant $928K 0
428 MASTER ST Investor / LLC $450K 0
428 MASTER ST Absentee individual $676K 2022 0
428 MASTER ST Absentee individual $675K 2022 0
428 MASTER ST Absentee individual $675K 2022 0
428 MASTER ST Absentee individual $675K 2022 0
428 MASTER ST Absentee individual $675K 2022 0
428 MASTER ST Absentee individual $676K 2022 0
428 MASTER ST Absentee individual $670K 2022 0
440 MASTER ST Owner-occupied $674K 2018 0
442 MASTER ST Owner-occupied $674K 2018 0
444 MASTER ST Owner-occupied $674K 2018 0
446 MASTER ST Absentee individual $658K 2018 0
448 MASTER ST Owner-occupied $711K 2018 0
450 MASTER ST Owner-occupied $749K 2018 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.