Who owns your block
4100 block of Walnut St
A mixed-ownership block: 0% owner-occupied, 29% investor-held, with 13 open code violations.
The typical home here is up 72% since 2016, now about $836K. Property taxes are climbing about 5% a year though the increases have eased lately.
- Owner-occupied
- Investor / LLC
- Absentee
- Vacant
- Has violations
By the Numbers
How fast it's moving
Assessed-value change for the typical home. Philadelphia taxes a flat 1.3998% of value, so the bill moves with it.
The makeup of the block
Every home, plotted by size and assessed value — press play and watch the block reprice from 2016 to 2027. One bubble per house (area = lot size), colored by who owns it; a gold ring marks tax-abated new construction. Click a bubble for its report.
- Owner-occupied
- Investor / LLC
- Absentee
- Vacant
- Tax-abated
- Bubble = lot size
- → bigger interior · ↑ higher value
Assessed values from the city's year-by-year assessment record — a proxy for price, lumpy in reassessment years.
How the block compares
The typical home here is $836K — about 3.8× the citywide median, and above the ZIP 19104 median of $211K. The same block, read against everyone else in the ZIP 19104 and across Philadelphia.
| This block | ZIP 19104 | Philadelphia | |
|---|---|---|---|
| Median home value | $836K | $211K | $223K |
| Owner-occupied | 0% | 18% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 95 reported crimes (22 violent) and 120 resident 311 requests to the city.
Most reported crimes
Top 311 complaints
Philadelphia Police incident reports and 311 service requests within 200m, trailing 12 months. Reported location, not necessarily where an incident occurred.
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.
What it's worth, and where taxes are going
- $836K typical home, up +72% since 2016
- Tax bill $6,807 to $11,707 a year, +5%/yr and compounding
- Whole block: $42M assessed, $587,069/yr to the city, about $41,934 per home
Median assessed value · 2016–2027
▲ +72% since 2016
Estimated property tax · per home, per year
▲ +72% since 2016 · ~+5%/yr
Who really pays — effective tax rate, one dot per home
The block as an asset
Read like a financial asset, this block has lagged the Philadelphia market, compounding +5.1% a year against the city's 6.5%.
Indexed performance · this block vs. the Philadelphia market
Rebased to 100 in 2016, like a stock against its index. $100 in the typical home here would be worth $172 today versus $201 across Philadelphia — this block trailed the market.
Return is from assessed-value history (a proxy for market price, lumpy in reassessment years); rental yield is estimated from ACS area rents. Informational only, not investment advice.
How often it changes hands
This block has recorded 3 arm's-length sales since 2004. The typical home has sold 0 times in that window, while 13 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 14 parcels
- Investor / LLC 4
- Absentee individual 8
- Vacant 2
Value distribution today
The block's largest owner, Campus Realty Properties, carries 4 open violations across 32 properties it owns around the city.
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Campus Realty Properties | 1 | 32 | $21M | phila.gov ↗ |
| University City Assoc Inc | 1 | 2 | $5.7M | phila.gov ↗ |
| Campus Realty | 1 | 1 | $19M | phila.gov ↗ |
| Univ City Associates | 1 | 1 | $3.5M | phila.gov ↗ |
House by house
All 14 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).
Every house's assessed value, 2016–2027 — each line is one home
| Address | Ownership | Value & trend | Sq ft | Built | Sales | Flags |
|---|---|---|---|---|---|---|
| 4101 WALNUT ST ImprovedOwner pulled a addition and/or alteration permit in 2023. | Absentee individual | $811K | 3,750 | 1900 | 0 | rented |
| 4102 WALNUT ST | Investor / LLC | $1.1M | 5,190 | 1890 | 0 | rented |
| 4103 WALNUT ST | Absentee individual | $797K | 11,880 | 1900 | 0 | rented |
| 4104 WALNUT ST | Absentee individual | $340K | 4,473 | 1910 | 0 | rented |
| 4105 WALNUT ST Improved | Vacant | $687K | — | — | 0 | rented |
| 4106-08 WALNUT ST | Absentee individual | $850K | 6,600 | 1890 | 0 | rented |
| 4107 WALNUT ST Improved | Vacant | $406K | — | — | 0 | |
| 4109 WALNUT ST Torn down & rebuiltOld house bought for $150K in 2004, demolished in 2008. | Investor / LLC | $19M | 110,157 | 2012 | 3 | rented13 viol |
| 4111 WALNUT ST ImprovedOwner pulled a addition and/or alteration permit in 2026. | Absentee individual | $11M | 65,910 | 1927 | 0 | rented |
| 4113 WALNUT ST | Absentee individual | $729K | 9,900 | 1890 | 0 | rented |
| 4115 WALNUT ST | Absentee individual | $823K | 3,300 | 1890 | 0 | rented |
| 4117 WALNUT ST | Investor / LLC | $926K | 3,300 | 1890 | 0 | rented |
| 4119 WALNUT ST | Absentee individual | $1.1M | 5,344 | 1890 | 0 | rented |
| 4126-38 WALNUT ST ImprovedOwner pulled a addition and/or alteration permit in 2019. | Investor / LLC | $3.5M | 13,954 | 1940 | 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)