Who owns your block
1800 block of S 12th St
A mostly owner-occupied block: 94% of homes are lived in by their owners.
The typical home here is up 100% since 2016, now about $449K. Property taxes are climbing about 5% 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 $449K — about 2.0× the citywide median, and above the ZIP 19148 median of $261K. The same block, read against everyone else in the ZIP 19148 and across Philadelphia.
| This block | ZIP 19148 | Philadelphia | |
|---|---|---|---|
| Median home value | $449K | $261K | $223K |
| Owner-occupied | 60% | 41% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 53 reported crimes (12 violent) and 279 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
- $449K typical home, up +100% since 2016
- Tax bill $2,655 to $4,356 a year, +5%/yr and compounding
- Whole block: $22M assessed, $209,013/yr to the city, about $4,354 per home
Median assessed value · 2016–2027
▲ +100% since 2016
Estimated property tax · per home, per year
▲ +64% since 2016 · ~+5%/yr
Who really pays — effective tax rate, one dot per home
1847 S 12th St is assessed at $684K but pays $4,273 a year — about 45% of the $9,577 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 tracked the Philadelphia market, compounding +6.5% 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 $200 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 68 arm's-length sales since 1970. 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 48 parcels
- Owner-occupied 45
- Absentee individual 3
Value distribution today
No multi-home or corporate owners on this block — every home has its own owner.
House by house
All 48 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 |
|---|---|---|---|---|---|---|---|
| 1801 S 12TH ST ImprovedBought for $75K in 2002. Owner pulled a change of use permit in 2022. | Owner-occupied | $281K | —/— | 1,776 | 1925 | 1 | |
| 1802 S 12TH ST Frequently tradedTraded 4×: $160K in 2007 → $350K in 2018 (+119%). | Owner-occupied | $494K | 3/1 | 1,316 | 1925 | 4 | rented |
| 1803 S 12TH ST | Owner-occupied | $381K | 3/1 | 1,299 | 1925 | 1 | |
| 1804 S 12TH ST | Owner-occupied | $348K | 3/1 | 1,086 | 1925 | 0 | abated |
| 1805 S 12TH ST ImprovedBought for $128K in 2004. Owner pulled a major alteration permit in 2011. | Owner-occupied | $370K | 3/1 | 1,224 | 1925 | 1 | |
| 1806 S 12TH ST New constructionbuilt new under a 2017 permit (tax-abated). | Owner-occupied | $351K | 3/1 | 1,108 | 1925 | 0 | abated |
| 1807 S 12TH ST | Owner-occupied | $370K | 3/1 | 1,224 | 1925 | 0 | |
| 1808 S 12TH ST TradedTraded 2×: $50K in 2001 → $263K in 2005 (+425%). | Owner-occupied | $343K | 3/1 | 1,056 | 1925 | 2 | |
| 1809 S 12TH ST | Owner-occupied | $411K | 3/1 | 1,512 | 1925 | 0 | |
| 1810 S 12TH ST ImprovedOwner pulled a alterations permit in 2025. | Owner-occupied | $358K | 3/1 | 1,152 | 1925 | 0 | |
| 1811 S 12TH ST | Owner-occupied | $330K | 3/1 | 972 | 1925 | 0 | |
| 1812 S 12TH ST | Owner-occupied | $412K | 3/1 | 1,460 | 1925 | 0 | abated |
| 1813 S 12TH ST Renovated & sold onBought for $205K in 2007, alteration permit in 2007, sold for $282K in 2010 (+38%). | Owner-occupied | $409K | 3/1 | 1,251 | 1925 | 2 | |
| 1814 S 12TH ST TradedTraded 2×: $160K in 2003 → $340K in 2017 (+113%). | Owner-occupied | $531K | 3/1 | 1,460 | 1925 | 2 | |
| 1815 S 12TH ST Renovated & sold onBought for $195K in 2006, plumbing permit in 2007, sold for $455K in 2023 (+133%). | Owner-occupied | $409K | 3/— | 1,260 | 1925 | 3 | |
| 1816 S 12TH ST ImprovedBought for $315K in 2017. Owner pulled a electrical permit in 2007. | Owner-occupied | $403K | 3/1 | 1,396 | 1925 | 1 | |
| 1817 S 12TH ST ImprovedBought for $170K in 2005. Owner pulled a plumbing permit in 2010. | Owner-occupied | $370K | 3/1 | 1,224 | 1925 | 1 | |
| 1818 S 12TH ST Frequently tradedTraded 3×: $150K in 2002 → $505K in 2024 (+237%). | Owner-occupied | $426K | 3/1 | 1,316 | 1925 | 3 | |
| 1819 S 12TH ST New constructionBought for $36K in 1999, built new under a 2010 permit (tax-abated), sold for $25K in 1999. | Owner-occupied | $486K | 3/1 | 1,884 | 1925 | 2 | abated |
| 1820 S 12TH ST New constructionBought for $245K in 2023, built new under a 2023 permit (tax-abated), sold for $600K in 2024. | Owner-occupied | $551K | 3/2 | 1,264 | 1925 | 2 | abated |
| 1821 S 12TH ST ImprovedBought for $145K in 2003. Owner pulled a mechanical permit in 2012. | Owner-occupied | $484K | 3/1 | 1,872 | 1925 | 1 | |
| 1822 S 12TH ST ImprovedBought for $490K in 2026. Owner pulled a addition and/or alteration permit in 2019. | Owner-occupied | $391K | 3/1 | 1,316 | 1925 | 1 | |
| 1823 S 12TH ST Historysold $367K (2017); L&I violation (2025). | Owner-occupied | $473K | 3/1 | 1,785 | 1925 | 1 | rented |
| 1824 S 12TH ST | Owner-occupied | $368K | 3/1 | 1,169 | 1925 | 0 | abated |
| 1825 S 12TH ST Renovated & sold onBought for $60K in 2009, fast form building permit in 2009, sold for $320K in 2011 (+433%). | Owner-occupied | $475K | 3/1 | 1,800 | 1925 | 3 | |
| 1826 S 12TH ST New constructionbuilt new under a 2007 permit (tax-abated). | Owner-occupied | $398K | 3/1 | 1,364 | 1925 | 0 | abated |
| 1827 S 12TH ST ImprovedBought for $25K in 1999. Owner pulled a alteration permit in 2007. | Absentee individual | $409K | 3/1 | 1,752 | 1925 | 2 | rented |
| 1828 S 12TH ST New constructionBought for $220K in 2015, built new under a 2016 permit, sold for $695K in 2022. | Owner-occupied | $714K | 3/3 | 1,902 | 1925 | 2 | |
| 1829 S 12TH ST New constructionbuilt new under a 2007 permit (tax-abated), sold for $82K in 2001. | Owner-occupied | $462K | 3/1 | 1,704 | 1925 | 1 | abated |
| 1830 S 12TH ST Renovated & sold onBought for $238K in 2007, zoning permit in 2011, sold for $550K in 2022 (+131%). | Owner-occupied | $617K | 4/2 | 1,776 | 1925 | 3 | |
| 1831 S 12TH ST | Absentee individual | $481K | 3/1 | 1,848 | 1925 | 0 | abated |
| 1832 S 12TH ST Renovated & sold onBought for $334K in 2011, use permit in 2011, sold for $460K in 2018 (+513%). | Owner-occupied | $589K | 3/2 | 1,617 | 1925 | 5 | |
| 1833 S 12TH ST Frequently tradedTraded 3×: $59K in 2002 → $314K in 2012 (+432%). | Owner-occupied | $519K | 3/1 | 1,448 | 1925 | 3 | |
| 1834 S 12TH ST Frequently tradedTraded 4×: $115K in 2004 → $370K in 2016 (+222%). | Owner-occupied | $434K | 3/1 | 1,464 | 1914 | 4 | |
| 1835 S 12TH ST | Owner-occupied | $479K | 3/1 | 1,836 | 1925 | 0 | |
| 1836 S 12TH ST New constructionbuilt new under a 2020 permit (tax-abated). | Owner-occupied | $443K | 3/1 | 1,524 | 1925 | 0 | abated |
| 1837 S 12TH ST ImprovedBought for $625K in 1970. Owner pulled a electrical permit in 2019. | Owner-occupied | $603K | 4/2 | 1,400 | 1925 | 3 | rentedtax lien |
| 1838 S 12TH ST | Owner-occupied | $463K | 3/1 | 1,665 | 1925 | 0 | abated |
| 1839 S 12TH ST | Owner-occupied | $490K | 5/1 | 1,920 | 1925 | 1 | |
| 1840 S 12TH ST Renovated & sold onBought for $65K in 2000, use permit in 2007, sold for $131K in 2012 (+101%). | Owner-occupied | $455K | 4/3 | 1,608 | 1925 | 2 | |
| 1841 S 12TH ST | Owner-occupied | $490K | 3/1 | 1,920 | 1925 | 1 | |
| 1842 S 12TH ST TradedTraded 2×: $77K in 2002 → $242K in 2005 (+214%). | Owner-occupied | $457K | 3/1 | 1,692 | 1925 | 2 | |
| 1843 S 12TH ST | Owner-occupied | $475K | 3/1 | 1,800 | 1925 | 0 | |
| 1844 S 12TH ST | Absentee individual | $485K | 4/1 | 1,905 | 1925 | 1 | rented |
| 1845 S 12TH ST | Owner-occupied | $475K | 3/1 | 1,800 | 1925 | 0 | |
| 1846 S 12TH ST ImprovedBought for $150K in 2006. Owner pulled a use permit in 2009. | Owner-occupied | $313K | —/— | 1,984 | 1915 | 1 | |
| 1847 S 12TH ST New constructionBought for $397K in 2022, built new under a 2023 permit (tax-abated), sold for $650K in 2025. | Owner-occupied | $684K | 3/3 | 1,800 | 1925 | 3 | abated |
| 1849 S 12TH ST Renovated & sold onBought for $300K in 2006, use permit in 2008, sold for $288K in 2009 (+86%). | Owner-occupied | $349K | —/— | 2,208 | 1915 | 3 |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-08 from public City of Philadelphia records · Download this block's data (CSV)