Who owns your block
500 block of N 21st St
A mixed-ownership block: 50% owner-occupied, 31% investor-held, with 6 open code violations and 1 home behind $164,934 on taxes.
The typical home here is up 73% since 2016, now about $960K. Property taxes are climbing about 4% a year.
- 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 $960K — about 4.3× the citywide median, and above the ZIP 19130 median of $457K. The same block, read against everyone else in the ZIP 19130 and across Philadelphia.
| This block | ZIP 19130 | Philadelphia | |
|---|---|---|---|
| Median home value | $960K | $457K | $223K |
| Owner-occupied | 44% | 37% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 61 reported crimes (11 violent) and 189 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
- $960K typical home, up +73% since 2016
- Tax bill $7,563 to $12,041 a year, +4%/yr and compounding
- Whole block: $113M assessed, $1,560,650/yr to the city, about $104,043 per home
Median assessed value · 2016–2027
▲ +73% since 2016
Estimated property tax · per home, per year
▲ +59% since 2016 · ~+4%/yr
Who really pays — effective tax rate, one dot per home
507 N 21st St is assessed at $1.2M but pays $7,538 a year — about 44% of the $17,233 it would owe at the statutory rate, because its new-construction value is abated.
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 $173 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 13 arm's-length sales since 1999. The typical home has sold 1 time in that window, while 8 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 16 parcels
- Owner-occupied 8
- Investor / LLC 4
- Absentee individual 2
- Vacant 2
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Loonstyn Development Lp | 1 | 12 | $14M | phila.gov ↗ |
| Battersea Ventures Lp | 2 | 2 | $100M | phila.gov ↗ |
| R Investments Five Lp | 1 | 1 | $1.5M | phila.gov ↗ |
| 528 North 21st Street Llc | 1 | 1 | $747K | phila.gov ↗ |
House by house
All 16 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 | Bd/Ba | Sq ft | Built | Sales | Flags |
|---|---|---|---|---|---|---|---|
| 500 N 21ST ST New constructionbuilt new under a 2016 permit. | Investor / LLC | $92M | —/— | 381,837 | 2016 | 0 | rented6 viol |
| 505 N 21ST ST New constructionBought for $500K in 2003, built new under a 2014 permit, sold for $1.2M in 2024. | Owner-occupied | $1.3M | —/— | 2,979 | 1920 | 2 | |
| 507 N 21ST ST | Owner-occupied | $1.2M | —/— | 2,979 | 1920 | 0 | abated |
| 510 N 21ST ST | Investor / LLC | $1.5M | —/— | 15,029 | 2014 | 0 | |
| 516 N 21ST ST HistoryL&I violation (2026). | Investor / LLC | $8.8M | —/— | 108,364 | 2015 | 0 | |
| 518 N 21ST ST | Vacant | $74K | —/— | — | — | 1 | |
| 519A-23 N 21ST ST | Vacant | — | —/— | — | — | 0 | tax lien |
| 519 N 21ST ST History2 L&I violations (2007). | Owner-occupied | $1.1M | —/— | 2,316 | 1993 | 0 | |
| 520 N 21ST ST Renovated & sold onBought for $340K in 2006, alteration permit in 2007, sold for $610K in 2023 (+79%). | Absentee individual | $742K | —/— | 2,160 | 1920 | 3 | |
| 521 N 21ST ST ImprovedBought for $1.1M in 2022. Owner pulled a major alteration permit in 2009. | Owner-occupied | $960K | —/— | 2,316 | 1994 | 1 | |
| 522 N 21ST ST | Owner-occupied | $841K | —/— | 1,923 | 1920 | 1 | |
| 523 N 21ST ST | Owner-occupied | $960K | 4/3 | 2,316 | 1995 | 1 | |
| 524 N 21ST ST ImprovedOwner pulled a major alteration permit in 2007. | Owner-occupied | $655K | —/— | 1,923 | 1920 | 0 | |
| 526 N 21ST ST | Owner-occupied | $724K | —/— | 2,106 | 1920 | 1 | |
| 528 N 21ST ST Frequently tradedTraded 3×: $155K in 1999 → $835K in 2020 (+439%). | Investor / LLC | $747K | —/— | 2,848 | 1920 | 3 | |
| 530 N 21ST ST ImprovedOwner pulled a sign permit in 2020. | Absentee individual | $1.7M | —/— | 14,532 | 1986 | 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)