Who owns your block
4500 block of N 12th St
A mostly owner-occupied block: 68% of homes are lived in by their owners, with 8 open code violations and 11 homes behind $49,929 on taxes.
The typical home here is up 93% since 2016, now about $146K. Property taxes are climbing about 0% 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 $146K — about 0.7× the citywide median, and above the ZIP 19140 median of $108K. The same block, read against everyone else in the ZIP 19140 and across Philadelphia.
| This block | ZIP 19140 | Philadelphia | |
|---|---|---|---|
| Median home value | $146K | $108K | $223K |
| Owner-occupied | 43% | 31% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 86 reported crimes (30 violent) and 202 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
- $146K typical home, up +93% since 2016
- Tax bill $652 to $666 a year, +0%/yr and compounding
- Whole block: $5.8M assessed, $49,187/yr to the city, about $1,118 per home
Median assessed value · 2016–2027
▲ +93% since 2016
Estimated property tax · per home, per year
▲ +2% since 2016 · ~+0%/yr
Who really pays — effective tax rate, one dot per home
4527 N 12th St is assessed at $200K but pays $1,976 a year — about 70% of the $2,804 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 +6.1% 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 $193 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 45 arm's-length sales since 2001. The typical home has sold 0 times in that window, while 24 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 44 parcels
- Owner-occupied 30
- Investor / LLC 2
- Absentee individual 6
- Vacant 6
Value distribution today
The block's largest owner, Tcs Anika Homes Acquisitions Iii Llc, carries 14 open violations across 33 properties it owns around the city.
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Tcs Anika Homes Acquisitions Iii Llc | 1 | 33 | $5.4M | phila.gov ↗ |
| Basa Realty Llc | 1 | 10 | $1.3M | phila.gov ↗ |
| Logan Assistance Corp | 1 | 3 | $45K | phila.gov ↗ |
| Logan Assi Corp | 1 | 1 | $14K | phila.gov ↗ |
House by house
All 44 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 |
|---|---|---|---|---|---|---|---|
| 4507 N 12TH ST ImprovedBought for $12K in 2003. Owner pulled a alterations permit in 2021. | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 1 | |
| 4509 N 12TH ST New constructionbuilt new (tax-abated). | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 0 | abated2 viol |
| 4511 N 12TH ST ImprovedBought for $15K in 2004. Owner pulled a plumbing permit in 2014. | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 3 | |
| 4512 N 12TH ST ImprovedBought for $10K in 2007. Owner pulled a electrical permit in 2011. | Owner-occupied | $159K | —/— | 1,440 | 1935 | 2 | |
| 4513 N 12TH ST | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 0 | |
| 4514 N 12TH ST TradedTraded 2×: $5K in 2007 → $5K in 2008 (+0%). | Owner-occupied | $158K | —/— | 1,440 | 1935 | 2 | tax lien |
| 4515 N 12TH ST ImprovedOwner pulled a alteration permit in 2012. | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 0 | |
| 4516 N 12TH ST History22 L&I violations (2007); L&I violation (2024); L&I violation (2025). | Owner-occupied | $158K | —/— | 1,440 | 1935 | 0 | tax lien |
| 4517 N 12TH ST HistoryL&I violation (2015); sold $100K (2021); L&I violation (2022). | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 1 | tax lien |
| 4518 N 12TH ST | Absentee individual | $158K | —/— | 1,440 | 1935 | 0 | |
| 4519 N 12TH ST History2 L&I violations (2009); 2 L&I violations (2011); L&I violation (2023). | Vacant | $15K | —/— | — | — | 0 | tax lien |
| 4520 N 12TH ST TradedTraded 2×: $41K in 2001 → $48K in 2007 (+16%). | Absentee individual | $151K | 3/1 | 1,440 | 1935 | 2 | |
| 4521 N 12TH ST Frequently tradedTraded 3×: $12K in 2001 → $35K in 2019 (+192%). | Investor / LLC | $146K | 3/1 | 1,400 | 1935 | 3 | rented |
| 4522 N 12TH ST TradedTraded 2×: $28K in 2018 → $160K in 2019 (+471%). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 2 | tax lien |
| 4523 N 12TH ST | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 0 | |
| 4524 N 12TH ST | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | |
| 4525 N 12TH ST | Owner-occupied | $146K | 3/1 | 1,400 | 1935 | 0 | abated |
| 4526 N 12TH ST Renovated & sold onBought for $56K in 2005, plumbing permit in 2014, sold for $99K in 2018 (+76%). | Owner-occupied | $193K | 3/1 | 1,406 | 1935 | 2 | |
| 4527 N 12TH ST New constructionBought for $28K in 2016, built new under a 2020 permit (tax-abated), sold for $156K in 2020. | Investor / LLC | $200K | 3/1 | 1,400 | 1935 | 5 | rentedabated |
| 4528 N 12TH ST | Owner-occupied | $148K | 3/2 | 1,406 | 1935 | 1 | |
| 4529 N 12TH ST Renovated & sold onBought for $15K in 2007, major alteration permit in 2007, sold for $217K in 2022 (+1347%). | Absentee individual | $215K | 4/2 | 1,400 | 1935 | 3 | 1 violtax lien |
| 4530 N 12TH ST New constructionbuilt new under a 2007 permit (tax-abated). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | abated1 violtax lien |
| 4531 N 12TH ST HistoryL&I violation (2015); L&I violation (2022). | Owner-occupied | $139K | 3/1 | 1,292 | 1935 | 0 | |
| 4532 N 12TH ST HistoryL&I violation (2024); L&I violation (2026). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | 1 viol |
| 4533 N 12TH ST ImprovedOwner pulled a addition and/or alteration permit in 2024. | Owner-occupied | $139K | 3/1 | 1,292 | 1935 | 0 | |
| 4534 N 12TH ST HistoryL&I violation (2024); L&I violation (2025). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | |
| 4535 N 12TH ST HistoryL&I violation (2021); L&I violation (2022); 2 L&I violations (2023); 2 L&I violations (2024). | Vacant | $14K | —/— | — | — | 0 | tax lien |
| 4536 N 12TH ST ImprovedOwner pulled a plumbing permit in 2007. | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | |
| 4537 N 12TH ST HistoryL&I violation (2021); L&I violation (2022); 2 L&I violations (2023); 2 L&I violations (2024). | Vacant | $14K | —/— | — | — | 0 | tax lien |
| 4538 N 12TH ST Historysold $16K (2005); Appeal moot (2009); L&I violation (2014); 2 L&I violations (2019); 4 L&I violations (2020); L&I violation (2023). | Absentee individual | $148K | 3/1 | 1,406 | 1935 | 1 | |
| 4539 N 12TH ST HistoryL&I violation (2021); L&I violation (2022); 2 L&I violations (2023); 2 L&I violations (2024). | Vacant | $14K | —/— | — | — | 0 | tax lien |
| 4540 N 12TH ST ImprovedOwner pulled a addition and/or alteration permit in 2025. | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | |
| 4541 N 12TH ST TradedTraded 2×: $6K in 2020 → $18K in 2024 (+200%). | Vacant | $14K | —/— | — | — | 2 | 2 violtax lien |
| 4542 N 12TH ST Historysold $4K (2004); L&I violation (2025). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 1 | tax lien |
| 4543 N 12TH ST Frequently tradedTraded 6×: $15K in 2005 → $10K in 2020 (-33%). | Absentee individual | $139K | 3/1 | 1,292 | 1935 | 6 | 1 violtax lien |
| 4544 N 12TH ST HistoryL&I violation (2025). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 0 | |
| 4545 N 12TH ST HistoryL&I violation (2019). | Owner-occupied | $139K | 3/1 | 1,292 | 1935 | 0 | |
| 4546 N 12TH ST Renovated & sold onBought for $5K in 2007, plumbing permit in 2016, sold for $75K in 2020 (+1400%). | Owner-occupied | $148K | 3/1 | 1,406 | 1935 | 2 | |
| 4547 N 12TH ST TradedTraded 2×: $30K in 2006 → $69K in 2006 (+130%). | Owner-occupied | $139K | 3/1 | 1,292 | 1935 | 2 | |
| 4548 N 12TH ST | Owner-occupied | $130K | 3/1 | 1,406 | 1935 | 0 | |
| 4549 N 12TH ST HistoryL&I violation (2022). | Owner-occupied | $139K | 3/1 | 1,292 | 1935 | 0 | tax lien |
| 4550 N 12TH ST Historysold $63K (2007); 2 L&I violations (2017). | Owner-occupied | $158K | 3/1 | 1,838 | 1935 | 1 | |
| 4551 N 12TH ST ImprovedBought for $22K in 2012. Owner pulled a electrical permit in 2017. | Absentee individual | $139K | 3/1 | 1,292 | 1935 | 3 | tax lien |
| 4553 N 12TH ST HistoryL&I violation (2020); L&I violation (2021); L&I violation (2022). | Vacant | $14K | —/— | — | — | 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)