Who owns your block
4100 block of J St
A mostly owner-occupied block: 78% of homes are lived in by their owners, with 1 open code violation and 1 home behind $878 on taxes.
- Owner-occupied
- Investor / LLC
- Absentee
- Vacant
- Has violations
By the Numbers
Schools
The public schools this block is zoned for — its official School District of Philadelphia catchments.
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 37 parcels
- Owner-occupied 29
- Investor / LLC 1
- Absentee individual 7
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Newcourtland Properties | 1 | 28 | $4.8M | phila.gov ↗ · registry ↗ |
| Gilberto Property Management LLC | 1 | 1 | $153K | phila.gov ↗ · registry ↗ |
The mailing address is where the assessor sends the tax bill — for an LLC, often the closest public record gets to the person behind it. "Registry" searches the owner's name in state incorporation records (OpenCorporates).
House by house
All 37 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).
| Address | Ownership | Value & trend | Sq ft | Built | Sales | Flags |
|---|---|---|---|---|---|---|
| 4108 J ST | Absentee individual | $154K | — | 1960 | 0 | |
| 4109-15 J ST | Owner-occupied | $254K | — | 1960 | 0 | |
| 4110 J ST | Absentee individual | $142K | — | 1960 | 0 | |
| 4112 J ST | Owner-occupied | $153K | — | 1960 | 0 | |
| 4114 J ST | Owner-occupied | $141K | — | 1960 | 0 | |
| 4116 J ST | Owner-occupied | $153K | — | 1960 | 0 | |
| 4117 J ST | Absentee individual | $154K | — | 1960 | 0 | |
| 4118 J ST | Absentee individual | $142K | — | 1960 | 0 | |
| 4119 J ST | Owner-occupied | $141K | — | 1960 | 0 | |
| 4120 J ST | Absentee individual | $142K | — | 1960 | 0 | |
| 4121 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4122 J ST | Owner-occupied | $157K | — | 1960 | 0 | |
| 4123 J ST | Owner-occupied | $153K | — | 1960 | 0 | |
| 4124 J ST | Owner-occupied | $141K | — | 1960 | 0 | |
| 4125 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4126 J ST | Owner-occupied | $142K | — | 1960 | 0 | 1 viol |
| 4127 J ST | Owner-occupied | $97K | — | 1960 | 0 | |
| 4128 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4129 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4130 J ST | Owner-occupied | $141K | — | 1960 | 0 | |
| 4131 J ST | Owner-occupied | $141K | — | 1960 | 0 | |
| 4132 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4133 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4134 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4135 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4136 J ST | Absentee individual | $142K | — | 1960 | 0 | |
| 4137 J ST | Investor / LLC | $153K | — | 1960 | 0 | |
| 4138 J ST | Owner-occupied | $141K | — | 1960 | 0 | |
| 4139 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4140 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4141 J ST | Absentee individual | $142K | — | 1960 | 0 | |
| 4142 J ST | Owner-occupied | $154K | — | 1960 | 0 | |
| 4143 J ST | Owner-occupied | $153K | — | 1960 | 0 | |
| 4145 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4147 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4149 J ST | Owner-occupied | $142K | — | 1960 | 0 | |
| 4151 J ST | Owner-occupied | $154K | — | 1960 | 0 |
Neighborhood
Neighborhood income and demographics are coming soon.
First time here?
This is the 4100 block of J St,
on paper.
37 homes. Every deed, permit, L&I violation, tax bill and sale the city has on file — one report.
No signup, no teaser
The whole record is free.
Who owns what, what they paid, what they built, what they owe. Scroll and it's all here — the paid part is not the data.
The good part
An AI analyst reads it with you.
Ask it anything — it searches all 580,000+ Philadelphia property records, live, and answers with the sources it checked. Fair price? Who owns the most? What happened in 2018?
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Generated 2026-07-07 from public City of Philadelphia records · Download this block's data (CSV)