Who owns your block
1900 block of S 21st St
A mostly owner-occupied block: 75% of homes are lived in by their owners, with 2 open code violations and 1 home behind $2,701 on taxes.
The typical home here is up 214% since 2016, now about $211K. Property taxes are climbing about 8% 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 $211K — about 0.9× the citywide median, and below the ZIP 19145 median of $242K. The same block, read against everyone else in the ZIP 19145 and across Philadelphia.
| This block | ZIP 19145 | Philadelphia | |
|---|---|---|---|
| Median home value | $211K | $242K | $223K |
| Owner-occupied | 55% | 46% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 97 reported crimes (26 violent) and 355 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
- $211K typical home, up +214% since 2016
- Tax bill $921 to $2,083 a year, +8%/yr and compounding
- Whole block: $12M assessed, $109,163/yr to the city, about $2,140 per home
Median assessed value · 2016–2027
▲ +214% since 2016
Estimated property tax · per home, per year
▲ +126% since 2016 · ~+8%/yr
Who really pays — effective tax rate, one dot per home
1921 S 21st St is assessed at $450K but pays $2,255 a year — about 36% of the $6,298 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 beaten the Philadelphia market, compounding +11% 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 $314 today versus $201 across Philadelphia — this block outpaced 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 63 arm's-length sales since 2000. The typical home has sold 1 time in that window, while 17 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 51 parcels
- Owner-occupied 38
- Investor / LLC 5
- Absentee individual 8
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Kelley Investment Group L | 1 | 67 | $11M | phila.gov ↗ |
| Tlc Jr Llc | 1 | 25 | $5.1M | phila.gov ↗ |
| Rjp Investment Group Llc | 1 | 2 | $379K | phila.gov ↗ |
| Chan K Kim (individual) | 2 | 2 | $605K | phila.gov ↗ |
| Alpha Pa I Llc | 1 | 1 | $184K | phila.gov ↗ |
| Hfpi, Llc | 1 | 1 | $416K | phila.gov ↗ |
House by house
All 51 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
Worth a look
| Address | Ownership | Value & trend | Bd/Ba | Sq ft | Built | Sales | Flags |
|---|---|---|---|---|---|---|---|
| 1900 S 21ST ST ImprovedBought for $46K in 2009. Owner pulled a addition and/or alteration permit in 2023. | Absentee individual | $248K | —/— | 1,896 | 1920 | 1 | 1 viol |
| 1901 S 21ST ST ImprovedBought for $50K in 2013. Owner pulled a plumbing permit in 2017. | Absentee individual | $249K | —/— | 1,512 | 1920 | 1 | rented |
| 1902 S 21ST ST ImprovedBought for $168K in 2016. Owner pulled a plumbing permit in 2019. | Owner-occupied | $253K | 3/1 | 1,240 | 1920 | 1 | |
| 1903 S 21ST ST TradedTraded 2×: $16K in 2002 → $47K in 2004 (+191%). | Absentee individual | $196K | 3/1 | 1,380 | 1920 | 2 | rented |
| 1904 S 21ST ST Renovated & sold onBought for $27K in 2007, electrical permit in 2008, sold for $106K in 2010 (+299%). | Owner-occupied | $187K | 3/1 | 1,240 | 1920 | 2 | |
| 1905 S 21ST ST Renovated & sold onBought for $160K in 2015, addition and/or alteration permit in 2020, sold for $253K in 2021 (+58%). | Owner-occupied | $275K | 3/1 | 1,110 | 1920 | 3 | |
| 1906 S 21ST ST Frequently tradedTraded 3×: $48K in 2001 → $160K in 2018 (+234%). | Absentee individual | $187K | 3/1 | 1,240 | 1920 | 3 | rented |
| 1907 S 21ST ST ImprovedOwner pulled a alterations permit in 2023. | Owner-occupied | $176K | 3/1 | 1,110 | 1920 | 0 | |
| 1908 S 21ST ST | Owner-occupied | $184K | 3/1 | 1,226 | 1920 | 1 | |
| 1909 S 21ST ST | Owner-occupied | $183K | 3/1 | 1,110 | 1920 | 0 | |
| 1910 S 21ST ST TradedTraded 2×: $25K in 2011 → $133K in 2014 (+432%). | Owner-occupied | $249K | 3/1 | 1,220 | 1920 | 2 | |
| 1911 S 21ST ST ImprovedOwner pulled a plumbing permit in 2018. | Owner-occupied | $206K | 3/1 | 1,398 | 1920 | 0 | |
| 1912 S 21ST ST TradedTraded 2×: $36K in 2005 → $121K in 2007 (+237%). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 2 | |
| 1913 S 21ST ST History3 L&I violations (2022); L&I violation (2024). | Owner-occupied | $212K | 4/1 | 1,503 | 1920 | 0 | |
| 1914 S 21ST ST TradedTraded 2×: $46K in 2011 → $275K in 2022 (+498%). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 2 | |
| 1915 S 21ST ST | Absentee individual | $215K | 3/1 | 1,400 | 1920 | 1 | rented |
| 1916 S 21ST ST Renovated & sold onBought for $87K in 2005, plumbing permit in 2010, sold for $114K in 2012 (+31%). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 3 | |
| 1917 S 21ST ST | Owner-occupied | $215K | 3/1 | 1,400 | 1920 | 0 | |
| 1918 S 21ST ST Historysold $21K (2011); L&I violation (2013). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 1 | rented |
| 1919 S 21ST ST New constructionBought for $40K in 2016, built new under a 2017 permit (tax-abated), sold for $175K in 2019. | Owner-occupied | $334K | 3/1 | 1,364 | 1920 | 2 | abated |
| 1920 S 21ST ST ImprovedOwner pulled a use permit in 2008. | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 0 | |
| 1921 S 21ST ST New constructionBought for $289K in 2016, built new under a 2020 permit (tax-abated), sold for $154K in 2020. | Absentee individual | $450K | 3/3 | 2,130 | 1920 | 2 | rentedabated |
| 1922 S 21ST ST Renovated & sold onBought for $45K in 2002, plumbing permit in 2018, sold for $151K in 2025 (+234%). | Investor / LLC | $184K | 3/1 | 1,220 | 1920 | 2 | |
| 1923 S 21ST ST Renovated & sold onBought for $65K in 2015, addition and/or alteration permit in 2022, sold for $290K in 2025 (+346%). | Owner-occupied | $270K | 4/1 | 1,400 | 1920 | 3 | |
| 1924 S 21ST ST Renovated & sold onBought for $20K in 2003, electrical permit in 2017, sold for $140K in 2025 (+600%). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 2 | 1 viol |
| 1925 S 21ST ST | Investor / LLC | $221K | 3/1 | 1,500 | 1920 | 1 | |
| 1926 S 21ST ST ImprovedBought for $71K in 2010. Owner pulled a alterations permit in 2026. | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 1 | |
| 1927 S 21ST ST Renovated & sold onBought for $206K in 2016, electrical permit in 2016, sold for $285K in 2020 (+39%). | Owner-occupied | $292K | 3/1 | 1,400 | 1920 | 2 | |
| 1928 S 21ST ST Renovated & sold onBought for $39K in 2001, major alteration permit in 2016, sold for $305K in 2024 (+692%). | Owner-occupied | $250K | 3/1 | 1,238 | 1920 | 4 | |
| 1929 S 21ST ST New constructionbuilt new under a 2012 permit (tax-abated). | Owner-occupied | $215K | 3/1 | 1,400 | 1920 | 0 | abated |
| 1930 S 21ST ST ImprovedBought for $15K in 2013. Owner pulled a administrative permit in 2013. | Investor / LLC | $192K | 3/1 | 1,220 | 1920 | 1 | rented |
| 1931 S 21ST ST | Owner-occupied | $215K | 3/1 | 1,400 | 1920 | 0 | rented |
| 1932 S 21ST ST | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 0 | |
| 1933 S 21ST ST | Owner-occupied | $215K | 3/1 | 1,400 | 1920 | 0 | |
| 1934 S 21ST ST Renovated & sold onBought for $50K in 2007, major alteration permit in 2018, sold for $288K in 2019 (+475%). | Owner-occupied | $287K | 3/1 | 1,220 | 1920 | 4 | |
| 1935 S 21ST ST ImprovedOwner pulled a addition and/or alteration permit in 2025. | Owner-occupied | $221K | 3/1 | 1,450 | 1920 | 0 | |
| 1936 S 21ST ST ImprovedBought for $88K in 2006. Owner pulled a electrical permit in 2017. | Investor / LLC | $184K | 3/1 | 1,220 | 1920 | 2 | rented |
| 1937 S 21ST ST TradedTraded 2×: $100K in 2017 → $283K in 2019 (+183%). | Owner-occupied | $345K | 3/1 | 1,450 | 1920 | 2 | tax lien |
| 1938 S 21ST ST ImprovedOwner pulled a addition and/or alterations permit in 2026. | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 0 | |
| 1939 S 21ST ST New constructionBought for $132K in 2021, built new under a 2008 permit (tax-abated), sold for $370K in 2022. | Investor / LLC | $416K | 3/2 | 1,482 | 1920 | 2 | rentedabatedtax lien |
| 1940 S 21ST ST HistoryL&I violation (2011); L&I violation (2013). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 0 | |
| 1941 S 21ST ST | Owner-occupied | $221K | 3/1 | 1,450 | 1920 | 0 | |
| 1942 S 21ST ST History3 L&I violations (2010); sold $92K (2014). | Owner-occupied | $184K | 3/1 | 1,220 | 1920 | 1 | |
| 1943 S 21ST ST ImprovedBought for $12K in 2002. Owner pulled a plumbing permit in 2018. | Owner-occupied | $221K | 3/1 | 1,450 | 1920 | 2 | tax lien |
| 1944 S 21ST ST | Owner-occupied | $185K | 3/1 | 1,240 | 1920 | 1 | |
| 1945 S 21ST ST ImprovedBought for $148K in 2019. Owner pulled a change of use permit in 2025. | Absentee individual | $263K | 4/1 | 1,398 | 1920 | 1 | rented |
| 1946 S 21ST ST | Owner-occupied | $187K | 3/1 | 1,240 | 1920 | 1 | |
| 1947 S 21ST ST | Owner-occupied | $211K | 3/1 | 1,398 | 1920 | 0 | |
| 1948 S 21ST ST ImprovedOwner pulled a alterations permit in 2020. | Owner-occupied | $187K | 3/1 | 1,240 | 1920 | 0 | |
| 1949-51 S 21ST ST ImprovedBought for $29K in 2000. Owner pulled a alterations permit in 2024. | Absentee individual | $442K | —/— | 3,488 | 1920 | 2 | tax lien |
| 1950 S 21ST ST History2 L&I violations (2007). | Owner-occupied | $162K | —/— | 1,240 | 1920 | 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)