Who owns your block
1700 block of S 21st St
A mostly owner-occupied block: 63% of homes are lived in by their owners, with 2 open code violations and 2 homes behind $14,766 on taxes.
The typical home here is up 186% since 2016, now about $238K. Property taxes are climbing about 9% a year and the increases are speeding up.
- 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 $238K — about 1.1× the citywide median, and in line with 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 | $238K | $242K | $223K |
| Owner-occupied | 31% | 46% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 117 reported crimes (26 violent) and 371 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
- $238K typical home, up +186% since 2016
- Tax bill $1,109 to $2,917 a year, +9%/yr and compounding
- Whole block: $9.9M assessed, $96,648/yr to the city, about $2,761 per home
Median assessed value · 2016–2027
▲ +186% since 2016
Estimated property tax · per home, per year
▲ +163% since 2016 · ~+9%/yr
Who really pays — effective tax rate, one dot per home
1721 S 21st St is assessed at $571K but pays $1,598 a year — about 20% of the $7,990 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 +10% 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 $286 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 48 arm's-length sales since 2001. The typical home has sold 1 time in that window, while 15 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 35 parcels
- Owner-occupied 22
- Investor / LLC 2
- Absentee individual 11
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| East House Group Inc | 1 | 7 | $1.8M | phila.gov ↗ |
| Mortgage Investments Llc | 1 | 1 | $326K | phila.gov ↗ |
House by house
All 35 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 |
|---|---|---|---|---|---|---|---|
| 1700 S 21ST ST ImprovedBought for $95K in 2014. Owner pulled a administrative permit in 2019. | Investor / LLC | $402K | —/— | 3,143 | 1920 | 1 | |
| 1702 S 21ST ST New constructionBought for $65K in 2016, built new under a 2016 permit (tax-abated), sold for $277K in 2017. | Owner-occupied | $370K | 3/2 | 1,515 | 1920 | 2 | abated |
| 1703 S 21ST ST ImprovedOwner pulled a mechanical permit in 2013. | Owner-occupied | $191K | 3/1 | 1,104 | 1925 | 0 | |
| 1704 S 21ST ST | Owner-occupied | $236K | 3/1 | 1,450 | 1920 | 0 | abated |
| 1705-07 S 21ST ST New constructionbuilt new under a 2021 permit. | Owner-occupied | $169K | —/— | 2,794 | — | 0 | tax lien |
| 1706 S 21ST ST ImprovedBought for $40K in 2001. Owner pulled a plumbing permit in 2016. | Absentee individual | $235K | 3/1 | 1,450 | 1920 | 4 | rentedtax lien |
| 1708 S 21ST ST Renovated & sold onBought for $22K in 2005, plumbing permit in 2009, sold for $270K in 2022 (+1127%). | Owner-occupied | $255K | 3/1 | 1,450 | 1920 | 4 | |
| 1709 S 21ST ST | Owner-occupied | $229K | —/— | 1,596 | 1920 | 0 | abated |
| 1710 S 21ST ST ImprovedOwner pulled a city demolition permit in 2024. | Absentee individual | $234K | 3/1 | 1,450 | 1920 | 0 | tax lien |
| 1711 S 21ST ST Frequently tradedTraded 3×: $69K in 2006 → $70K in 2017 (+1%). | Absentee individual | $319K | 4/2 | 1,785 | 1925 | 3 | |
| 1712 S 21ST ST New constructionBought for $145K in 2023, built new under a 2020 permit. | Absentee individual | $580K | 3/2 | 2,646 | 2025 | 5 | 1 viol |
| 1713 S 21ST ST | Owner-occupied | $223K | 3/1 | 1,310 | 1925 | 0 | abated |
| 1714 S 21ST ST ImprovedOwner pulled a major alteration permit in 2019. | Absentee individual | $298K | —/— | 1,972 | 1920 | 0 | |
| 1715 S 21ST ST | Owner-occupied | $215K | 3/1 | 1,190 | 1925 | 0 | |
| 1716 S 21ST ST New constructionbuilt new under a 2014 permit (tax-abated), sold for $35K in 2001. | Owner-occupied | $232K | 3/1 | 1,480 | 1920 | 1 | abated |
| 1717 S 21ST ST HistoryL&I violation (2026). | Owner-occupied | $238K | 3/1 | 1,450 | 1925 | 0 | 1 viol |
| 1718 S 21ST ST ImprovedBought for $120K in 2022. Owner pulled a alterations permit in 2024. | Owner-occupied | $237K | 3/1 | 1,480 | 1920 | 1 | |
| 1719 S 21ST ST Renovated & sold onBought for $26K in 2014, plumbing permit in 2015, sold for $365K in 2022 (+1304%). | Owner-occupied | $285K | 3/2 | 1,190 | 1925 | 3 | |
| 1720 S 21ST ST HistoryL&I violation (2011). | Owner-occupied | $237K | 3/1 | 1,480 | 1920 | 0 | |
| 1721 S 21ST ST Torn down & rebuiltOld house bought for $56K in 2016, demolished and rebuilt (2017). | Owner-occupied | $571K | 3/3 | 2,517 | 2020 | 2 | abatedtax lien |
| 1722 S 21ST ST | Owner-occupied | $232K | 3/1 | 1,480 | 1920 | 0 | abated |
| 1723 S 21ST ST | Absentee individual | $328K | 4/1 | 2,223 | 1925 | 1 | |
| 1724 S 21ST ST New constructionbuilt new under a 2013 permit (tax-abated). | Owner-occupied | $242K | 4/1 | 1,700 | 1925 | 0 | abated |
| 1725-27 S 21ST ST ImprovedBought for $150K in 2014. Owner pulled a plumbing permit in 2018. | Absentee individual | $292K | —/— | 2,172 | 1925 | 1 | |
| 1726 S 21ST ST Frequently tradedTraded 3×: $17K in 2003 → $235K in 2016 (+1324%). | Investor / LLC | $326K | —/— | 2,160 | 1925 | 3 | |
| 1728 S 21ST ST ImprovedBought for $196K in 2015. Owner pulled a addition and/or alteration permit in 2025. | Owner-occupied | $228K | 3/1 | 1,380 | 1925 | 1 | |
| 1729 S 21ST ST Frequently tradedTraded 3×: $10K in 2004 → $147K in 2015 (+1370%). | Owner-occupied | $233K | 3/1 | 1,190 | 1925 | 3 | rented |
| 1730 S 21ST ST Renovated & sold onBought for $30K in 2005, major alteration permit in 2008, sold for $335K in 2022 (+1017%). | Owner-occupied | $308K | 3/3 | 1,494 | 1925 | 5 | |
| 1731 S 21ST ST ImprovedBought for $385K in 2003. Owner pulled a plumbing permit in 2015. | Absentee individual | $234K | 3/1 | 1,380 | 1920 | 2 | rented |
| 1732 S 21ST ST Frequently tradedTraded 3×: $42K in 2015 → $338K in 2024 (+711%). | Owner-occupied | $324K | 3/1 | 1,477 | 1925 | 3 | |
| 1733 S 21ST ST History3 L&I violations (2010); 7 L&I violations (2017). | Absentee individual | $251K | 3/1 | 1,380 | 1920 | 0 | |
| 1734 S 21ST ST | Absentee individual | $233K | 3/1 | 1,380 | 1920 | 0 | tax lien |
| 1735 S 21ST ST | Absentee individual | $320K | —/— | 2,327 | 1925 | 0 | |
| 1736 S 21ST ST ImprovedBought for $175K in 2023. Owner pulled a addition and/or alterations permit in 2024. | Owner-occupied | $233K | 3/1 | 1,380 | 1920 | 2 | |
| 1738 S 21ST ST ImprovedBought for $98K in 2006. Owner pulled a plumbing permit in 2017. | Owner-occupied | $374K | —/— | 2,191 | 1930 | 1 |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-08 from public City of Philadelphia records · Download this block's data (CSV)