Who owns your block
4800 block of N 12th St
A mixed-ownership block: 56% owner-occupied, 24% investor-held, with 19 open code violations and 7 homes behind $74,050 on taxes.
The typical home here is up 70% since 2016, now about $175K. Property taxes are climbing about 7% 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 $175K — about 0.8× the citywide median, and in line with the ZIP 19141 median of $176K. The same block, read against everyone else in the ZIP 19141 and across Philadelphia.
| This block | ZIP 19141 | Philadelphia | |
|---|---|---|---|
| Median home value | $175K | $176K | $223K |
| Owner-occupied | 35% | 48% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 131 reported crimes (44 violent) and 149 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
- $175K typical home, up +70% since 2016
- Tax bill $1,019 to $2,059 a year, +7%/yr and compounding
- Whole block: $5.9M assessed, $60,838/yr to the city, about $1,789 per home
Median assessed value · 2016–2027
▲ +70% since 2016
Estimated property tax · per home, per year
▲ +102% since 2016 · ~+7%/yr
Who really pays — effective tax rate, one dot per home
4819 N 12th St is assessed at $177K but pays $659 a year — about 27% of the $2,479 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 +4.9% 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 $170 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 29 arm's-length sales since 2000. The typical home has sold 1 time in that window, while 13 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 34 parcels
- Owner-occupied 18
- Investor / LLC 6
- Absentee individual 7
- Vacant 3
Value distribution today
The block's largest owner, Five Town Llc, carries 4 open violations across 45 properties it owns around the city.
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Five Town Llc | 1 | 45 | $1.1M | phila.gov ↗ |
| Community Improvement Fund Llc | 1 | 32 | $6.4M | phila.gov ↗ |
| Cecilia Straznik Revocable Trust | 1 | 12 | $2.9M | phila.gov ↗ |
| Mjr Enterprise Group Llc | 1 | 6 | $749K | phila.gov ↗ |
| Third Corsa Inc | 1 | 5 | $1.4M | phila.gov ↗ |
| Auyenn Real Estate Investors Llc | 1 | 3 | $497K | phila.gov ↗ |
| Academy Investments Llc | 1 | 1 | $17K | phila.gov ↗ |
| Ariana Homes Llc | 1 | 1 | $203K | phila.gov ↗ |
House by house
All 34 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 |
|---|---|---|---|---|---|---|---|
| 4800 N 12TH ST | Owner-occupied | $166K | 4/1 | 1,680 | 1935 | 0 | |
| 4801 N 12TH ST ImprovedBought for $50K in 2006. Owner pulled a major alteration permit in 2009. | Absentee individual | $266K | —/— | 2,540 | 1935 | 1 | 4 viol |
| 4802 N 12TH ST | Owner-occupied | $163K | 4/1 | 1,578 | 1935 | 0 | |
| 4803 N 12TH ST | Owner-occupied | $205K | —/— | 1,500 | 1935 | 1 | |
| 4804 N 12TH ST HistoryL&I violation (2019); Appeal city affirmed (2019); sold $38K (2021). | Owner-occupied | $161K | 4/2 | 1,542 | 1935 | 1 | tax lien |
| 4805 N 12TH ST ImprovedBought for $46K in 2017. Owner pulled a addition and/or alteration permit in 2021. | Owner-occupied | $173K | —/— | 1,500 | 1935 | 1 | |
| 4806 N 12TH ST ImprovedBought for $36K in 2002. Owner pulled a alteration permit in 2015. | Owner-occupied | $247K | —/— | 2,195 | 1935 | 1 | tax lien |
| 4807 N 12TH ST | Absentee individual | $173K | —/— | 1,500 | 1935 | 0 | tax lien |
| 4808 N 12TH ST ImprovedBought for $44K in 2006. Owner pulled a addition and/or alteration permit in 2022. | Owner-occupied | $186K | —/— | 2,025 | 1935 | 3 | tax lien |
| 4809 N 12TH ST ImprovedBought for $50K in 2007. Owner pulled a plumbing permit in 2013. | Owner-occupied | $170K | —/— | 1,500 | 1935 | 2 | |
| 4810 N 12TH ST ImprovedBought for $120K in 2007. Owner pulled a alteration permit in 2009. | Absentee individual | $253K | —/— | 2,185 | 1935 | 2 | |
| 4811 N 12TH ST HistoryL&I violation (2025); L&I violation (2026). | Owner-occupied | $170K | —/— | 1,500 | 1935 | 0 | |
| 4812 N 12TH ST ImprovedOwner pulled a plumbing permit in 2020. | Owner-occupied | $247K | —/— | 2,025 | 1935 | 0 | 1 violtax lien |
| 4813 N 12TH ST History13 L&I violations (2014); L&I violation (2026). | Owner-occupied | $170K | —/— | 1,500 | 1935 | 0 | 1 viol |
| 4814 N 12TH ST History2 L&I violations (2009). | Vacant | $17K | —/— | — | — | 0 | tax lien |
| 4815 N 12TH ST | Owner-occupied | $170K | —/— | 1,500 | 1935 | 1 | |
| 4816 N 12TH ST History10 L&I violations (2022); L&I violation (2024); L&I violation (2025); 4 L&I violations (2026). | Absentee individual | $180K | —/— | 2,025 | 1935 | 0 | 10 violtax lien |
| 4817 N 12TH ST History4 L&I violations (2010); L&I violation (2011); L&I violation (2012); sold $26K (2014); L&I violation (2026). | Investor / LLC | $177K | —/— | 1,613 | 1935 | 1 | rented1 viol |
| 4818 N 12TH ST ImprovedBought for $15K in 2006. Owner pulled a demolition permit in 2019. | Vacant | $17K | —/— | — | — | 1 | tax lien |
| 4819 N 12TH ST New constructionbuilt new under a 2026 permit (tax-abated). | Owner-occupied | $177K | —/— | 1,613 | 1935 | 0 | abated |
| 4820 N 12TH ST History4 L&I violations (2008). | Owner-occupied | $247K | —/— | 2,025 | 1935 | 0 | |
| 4821 N 12TH ST ImprovedBought for $27K in 2004. Owner pulled a plumbing permit in 2018. | Owner-occupied | $170K | —/— | 1,500 | 1935 | 1 | |
| 4822 N 12TH ST TradedTraded 2×: $9K in 2002 → $18K in 2004 (+87%). | Investor / LLC | $186K | —/— | 2,025 | 1935 | 2 | rented |
| 4823 N 12TH ST New constructionbuilt new under a 2018 permit (tax-abated), sold for $57K in 2001. | Owner-occupied | $170K | —/— | 1,500 | 1935 | 1 | abated2 viol |
| 4824 N 12TH ST History3 L&I violations (2009); 4 L&I violations (2011). | Vacant | $17K | —/— | — | — | 0 | tax lien |
| 4825 N 12TH ST ImprovedBought for $11K in 2002. Owner pulled a alterations permit in 2021. | Absentee individual | $170K | 4/1 | 1,500 | 1935 | 2 | |
| 4826 N 12TH ST ImprovedBought for $22K in 2008. Owner pulled a plumbing permit in 2009. | Investor / LLC | $247K | —/— | 2,025 | 1935 | 1 | rented |
| 4827 N 12TH ST TradedTraded 2×: $160K in 2022 → $250K in 2023 (+56%). | Absentee individual | $203K | —/— | 1,500 | 1935 | 2 | |
| 4827R-31 N 12TH ST | Absentee individual | $16K | —/— | 435 | 1935 | 1 | tax lien |
| 4828 N 12TH ST Renovated & sold onBought for $25K in 2017, alteration permit in 2017, sold for $225K in 2021 (+800%). | Owner-occupied | $193K | 4/2 | 1,344 | 1935 | 2 | tax lien |
| 4829 N 12TH ST HistoryL&I violation (2012); L&I violation (2025). | Investor / LLC | $203K | —/— | 1,500 | 1935 | 0 | rentedtax lien |
| 4830 N 12TH ST ImprovedBought for $55K in 2005. Owner pulled a wall covering replacement permit in 2022. | Investor / LLC | $193K | —/— | 1,344 | 1935 | 1 | rented |
| 4831 N 12TH ST New constructionbuilt new (tax-abated), sold for $24K in 2000. | Owner-occupied | $173K | 4/1 | 1,560 | 1935 | 1 | abated |
| 4832 N 12TH ST ImprovedOwner pulled a major alteration permit in 2008. | Investor / LLC | $203K | —/— | 1,344 | 1935 | 0 | tax lien |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-08 from public City of Philadelphia records · Download this block's data (CSV)