Who owns your block
900 block of S 21st St
A mixed-ownership block: 40% owner-occupied, 7% investor-held, with 3 open code violations.
The typical home here is up 84% since 2016, now about $700K. Property taxes are climbing about 27% 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 $700K — about 3.1× the citywide median, and above the ZIP 19146 median of $364K. The same block, read against everyone else in the ZIP 19146 and across Philadelphia.
| This block | ZIP 19146 | Philadelphia | |
|---|---|---|---|
| Median home value | $700K | $364K | $223K |
| Owner-occupied | 27% | 29% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 331 reported crimes (15 violent) and 367 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
- $700K typical home, up +84% since 2016
- Tax bill $719 to $9,668 a year, +27%/yr and compounding
- Whole block: $11M assessed, $124,419/yr to the city, about $8,295 per home
Median assessed value · 2016–2027
▲ +84% since 2016
Estimated property tax · per home, per year
▲ +1245% since 2016 · ~+27%/yr
Who really pays — effective tax rate, one dot per home
908 S 21st St is assessed at $723K but pays $8,093 a year — about 80% of the $10,116 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 +5.7% 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 $184 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 38 arm's-length sales since 2003. The typical home has sold 3 times in that window, while 4 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 15 parcels
- Owner-occupied 6
- Investor / LLC 1
- Absentee individual 8
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Philadelphia Housing Auth (individual) | 2 | 4773 | $1418M | phila.gov ↗ |
| Bcr2 Llc | 1 | 2 | $1.5M | phila.gov ↗ |
House by house
All 15 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 |
|---|---|---|---|---|---|---|---|
| 906 S 21ST ST Renovated & sold onBought for $627K in 2013, use permit in 2007, sold for $627K in 2013 (+62600%). | Owner-occupied | $895K | 4/2 | 2,325 | 1915 | 5 | |
| 907 S 21ST ST New constructionBought for $181K in 2006, built new under a 2009 permit (tax-abated), sold for $482K in 2013. | Owner-occupied | $691K | —/— | 2,240 | 1915 | 3 | rentedabated |
| 908 S 21ST ST Torn down & rebuiltdemolished in 2016 and rebuilt (2015). | Investor / LLC | $723K | 6/7 | 2,956 | 2016 | 2 | abated |
| 909 S 21ST ST Renovated & sold onBought for $175K in 2005, electrical permit in 2008, sold for $675K in 2022 (+286%). | Absentee individual | $642K | 3/4 | 1,830 | 1915 | 3 | |
| 910 S 21ST ST Frequently tradedTraded 3×: $500K in 2007 → $140K in 2022 (-72%). | Absentee individual | $791K | 3/2 | 2,064 | 2006 | 4 | |
| 911 S 21ST ST ImprovedBought for $300K in 2005. Owner pulled a alteration permit in 2010. | Absentee individual | $691K | 3/2 | 1,804 | 1915 | 4 | |
| 912 S 21ST ST TradedTraded 2×: $370K in 2007 → $575K in 2018 (+56%). | Owner-occupied | $898K | 3/2 | 2,064 | 2006 | 3 | |
| 913 S 21ST ST New constructionBought for $124K in 2009, built new under a 2007 permit, sold for $124K in 2009. | Absentee individual | $861K | 3/2 | 2,460 | 2009 | 4 | rented |
| 914 S 21ST ST New constructionbuilt new under a 2017 permit (tax-abated). | Owner-occupied | $542K | —/— | 1,908 | 1915 | 0 | abated |
| 915 S 21ST ST New constructionBought for $154K in 2005, built new under a 2007 permit. | Absentee individual | $845K | 3/— | 2,460 | 2009 | 2 | rented |
| 916 S 21ST ST New constructionBought for $63K in 2004, built new under a 2018 permit, sold for $839K in 2023. | Owner-occupied | $1.0M | 3/2 | 2,070 | 2007 | 4 | |
| 917 S 21ST ST New constructionbuilt new (tax-abated). | Absentee individual | $619K | —/— | 1,560 | 1915 | 0 | abated |
| 918 S 21ST ST ImprovedOwner pulled a addition and/or alterations permit in 2022. | Absentee individual | $561K | —/— | 1,440 | 1929 | 0 | rented3 viol |
| 919 S 21ST ST | Absentee individual | $476K | —/— | 1,560 | 1915 | 0 | abated |
| 921 S 21ST ST New constructionBought for $60K in 2004, built new under a 2019 permit, sold for $615K in 2020. | Owner-occupied | $700K | 3/3 | 1,700 | 2006 | 4 |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-08 from public City of Philadelphia records · Download this block's data (CSV)