Who owns your block
900 block of S 12th St
A mixed-ownership block: 21% owner-occupied, 7% investor-held, with 2 open code violations and 2 homes behind $3,641 on taxes.
The typical home here is up 172% since 2016, now about $481K. Property taxes are climbing about 11% 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 $481K — about 2.2× the citywide median, and above the ZIP 19147 median of $461K. The same block, read against everyone else in the ZIP 19147 and across Philadelphia.
| This block | ZIP 19147 | Philadelphia | |
|---|---|---|---|
| Median home value | $481K | $461K | $223K |
| Owner-occupied | 3% | 38% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 112 reported crimes (31 violent) and 343 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
- $481K typical home, up +172% since 2016
- Tax bill $2,123 to $6,634 a year, +11%/yr and compounding
- Whole block: $13M assessed, $165,995/yr to the city, about $5,724 per home
Median assessed value · 2016–2027
▲ +172% since 2016
Estimated property tax · per home, per year
▲ +212% since 2016 · ~+11%/yr
Who really pays — effective tax rate, one dot per home
902 S 12th St is assessed at $662K but pays $4,741 a year — about 51% of the $9,260 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 +9.5% 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 $272 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 24 arm's-length sales since 2000. The typical home has sold 0 times in that window, while 18 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 29 parcels
- Owner-occupied 6
- Investor / LLC 2
- Absentee individual 21
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Uni Penn Housing (individual) | 4 | 82 | $3.0M | phila.gov ↗ |
| Lisa Calise (individual) | 10 | 13 | $6.0M | phila.gov ↗ |
| Joseph Sigismondi (individual) | 2 | 4 | $1.0M | phila.gov ↗ |
| Adm Holdings Llc | 1 | 2 | $937K | phila.gov ↗ |
| 908 South 12th Street Llc | 1 | 1 | $581K | phila.gov ↗ |
House by house
All 29 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 |
|---|---|---|---|---|---|---|---|
| 900 S 12TH ST | Absentee individual | $25K | 4/25 | 1,680 | 2003 | 0 | rented |
| 901 S 12TH ST ImprovedOwner pulled a addition and/or alteration permit in 2025. | Owner-occupied | $520K | —/— | 2,376 | 1920 | 0 | tax lien |
| 902 S 12TH ST New constructionBought for $260K in 2015, built new under a 2016 permit (tax-abated), sold for $835K in 2024. | Owner-occupied | $662K | 4/2 | 1,728 | 1915 | 4 | abated |
| 903 S 12TH ST | Owner-occupied | $452K | —/— | 1,740 | 1920 | 0 | abated |
| 904 S 12TH ST Renovated & sold onBought for $95K in 2011, major alteration permit in 2012, sold for $387K in 2012 (+307%). | Owner-occupied | $592K | 3/2 | 1,728 | 1915 | 2 | |
| 905 S 12TH ST | Absentee individual | $289K | —/— | 1,808 | 1915 | 0 | |
| 906 S 12TH ST Renovated & sold onBought for $95K in 2011, major alteration permit in 2012, sold for $650K in 2025 (+584%). | Owner-occupied | $592K | 3/2 | 1,728 | 1915 | 4 | |
| 907 S 12TH ST ImprovedBought for $50K in 2003. Owner pulled a plumbing permit in 2017. | Absentee individual | $540K | —/— | 2,304 | 1915 | 1 | rented |
| 908 S 12TH ST New constructionbuilt new under a 2018 permit, sold for $300K in 2023. | Investor / LLC | $581K | 4/2 | 2,016 | 1915 | 1 | 1 viol |
| 909 S 12TH ST Renovated & sold onBought for $50K in 2003, alteration permit in 2009, sold for $417K in 2019 (+734%). | Investor / LLC | $329K | —/— | 1,643 | 1915 | 3 | rented |
| 910 S 12TH ST New constructionBought for $300K in 2015, built new under a 2014 permit, sold for $475K in 2019. | Absentee individual | $698K | 3/2 | 2,340 | 1915 | 2 | |
| 911 S 12TH ST | Absentee individual | $25K | 3/1 | 1,938 | 2005 | 0 | abatedtax lien |
| 912 S 12TH ST | Absentee individual | $25K | 4/2 | 1,608 | 2003 | 0 | rented |
| 913 S 12TH ST Historysold $15K (2001); 3 L&I violations (2013); L&I violation (2015); L&I violation (2016); 2 L&I violations (2026). | Absentee individual | $440K | —/— | 1,428 | 1915 | 1 | 1 viol |
| 914 S 12TH ST | Absentee individual | $25K | 3/1 | 1,485 | 2003 | 0 | |
| 915 S 12TH ST New constructionbuilt new under a 2025 permit. | Absentee individual | $890K | —/— | — | — | 0 | |
| 916 S 12TH ST ImprovedBought for $140K in 2007. Owner pulled a major alteration permit in 2016. | Absentee individual | $529K | 4/2 | 1,913 | 1915 | 2 | rented |
| 918 S 12TH ST ImprovedOwner pulled a plumbing permit in 2015. | Absentee individual | $499K | —/— | 1,821 | 1915 | 0 | rented |
| 920 S 12TH ST | Absentee individual | $474K | —/— | 1,821 | 1915 | 0 | rented |
| 921 S 12TH ST ImprovedBought for $35K in 2000. Owner pulled a alteration permit in 2008. | Absentee individual | $363K | —/— | 1,136 | 1925 | 2 | |
| 922 S 12TH ST | Absentee individual | $481K | —/— | 1,877 | 1915 | 0 | rentedtax lien |
| 923 S 12TH ST TradedTraded 2×: $35K in 2000 → $20K in 2003 (-43%). | Absentee individual | $114K | —/— | 1,188 | 1930 | 2 | |
| 924 S 12TH ST ImprovedOwner pulled a plumbing permit in 2011. | Absentee individual | $465K | —/— | 1,818 | 1915 | 0 | rented |
| 925 S 12TH ST | Absentee individual | $672K | —/— | 2,784 | 1960 | 0 | rented |
| 926-28 S 12TH ST ImprovedOwner pulled a alterations permit in 2022. | Absentee individual | $338K | —/— | 1,365 | 1925 | 0 | |
| 927 S 12TH ST ImprovedOwner pulled a plumbing permit in 2013. | Absentee individual | $626K | —/— | 2,464 | 1915 | 0 | rented |
| 929 S 12TH ST ImprovedOwner pulled a plumbing permit in 2016. | Absentee individual | $512K | —/— | 1,536 | 1915 | 0 | rented |
| 930 S 12TH ST HistoryL&I violation (2013). | Owner-occupied | $374K | —/— | 1,872 | 1915 | 0 | rented |
| 931 S 12TH ST | Absentee individual | $519K | —/— | 1,620 | 1915 | 0 | rented |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-08 from public City of Philadelphia records · Download this block's data (CSV)