Who owns your block
800 block of S Alden St
A mostly owner-occupied block: 67% of homes are lived in by their owners, with 16 open code violations and 9 homes behind $60,715 on taxes.
The typical home here is up 135% since 2016, now about $121K. Property taxes are climbing about 12% 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 $121K — about 0.5× the citywide median, and below the ZIP 19143 median of $152K. The same block, read against everyone else in the ZIP 19143 and across Philadelphia.
| This block | ZIP 19143 | Philadelphia | |
|---|---|---|---|
| Median home value | $121K | $152K | $223K |
| Owner-occupied | 44% | 41% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 101 reported crimes (37 violent) and 261 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
- $121K typical home, up +135% since 2016
- Tax bill $304 to $1,030 a year, +12%/yr and compounding
- Whole block: $5.4M assessed, $45,867/yr to the city, about $1,019 per home
Median assessed value · 2016–2027
▲ +135% since 2016
Estimated property tax · per home, per year
▲ +239% since 2016 · ~+12%/yr
Who really pays — effective tax rate, one dot per home
815 S Alden St is assessed at $122K but pays $305 a year — about 18% of the $1,705 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 +8.1% 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 $235 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 41 arm's-length sales since 1999. The typical home has sold 0 times in that window, while 25 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 45 parcels
- Owner-occupied 30
- Investor / LLC 5
- Absentee individual 7
- Vacant 3
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| City Of Philadelphia (individual) | 2 | 1002 | $444M | phila.gov ↗ |
| Okh-Ph Owner Llc | 1 | 83 | $11M | phila.gov ↗ |
| Mchaya Llc | 1 | 48 | $6.6M | phila.gov ↗ |
| Noah Properties Llc | 1 | 14 | $1.6M | phila.gov ↗ |
| Top Tier Real Estate Llc | 1 | 10 | $2.2M | phila.gov ↗ |
| Careful Investments Llc | 1 | 7 | $1.1M | phila.gov ↗ |
| Hs23 Llc | 1 | 1 | $125K | phila.gov ↗ |
House by house
All 45 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 |
|---|---|---|---|---|---|---|---|
| 810 S ALDEN ST Frequently tradedTraded 3×: $17K in 1999 → $83K in 2023 (+388%). | Investor / LLC | $125K | 3/1 | 1,050 | 1925 | 3 | |
| 811 S ALDEN ST | Owner-occupied | $125K | 3/1 | 1,050 | 1925 | 0 | |
| 812 S ALDEN ST | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 813 S ALDEN ST Historysold $53K (2006); L&I violation (2018). | Absentee individual | $122K | 3/1 | 972 | 1925 | 1 | rented |
| 814 S ALDEN ST New constructionbuilt new under a 2023 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 815 S ALDEN ST | Owner-occupied | $122K | 3/1 | 972 | 1925 | 0 | abated |
| 816 S ALDEN ST New constructionbuilt new under a 2007 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 817 S ALDEN ST | Vacant | $21K | —/— | — | — | 0 | |
| 818 S ALDEN ST Frequently tradedTraded 4×: $15K in 2004 → $18K in 2016 (+24%). | Absentee individual | $74K | 3/1 | 972 | 1925 | 4 | |
| 819 S ALDEN ST | Owner-occupied | $120K | 3/1 | 972 | 1925 | 0 | abated |
| 820 S ALDEN ST Improved | Vacant | $21K | —/— | — | — | 0 | tax lien |
| 821 S ALDEN ST ImprovedOwner pulled a plumbing permit in 2008. | Absentee individual | $122K | 3/1 | 972 | 1925 | 0 | rented |
| 822 S ALDEN ST History3 L&I violations (2020); L&I violation (2022); 8 L&I violations (2024); 6 L&I violations (2025). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | 16 viol |
| 823 S ALDEN ST Frequently tradedTraded 3×: $9K in 2004 → $22K in 2011 (+156%). | Absentee individual | $122K | 3/1 | 972 | 1925 | 3 | |
| 824 S ALDEN ST ImprovedBought for $82K in 2021. Owner pulled a interior non-load-bearing wall demo. permit in 2018. | Owner-occupied | $121K | 3/1 | 972 | 1925 | 1 | rented |
| 825 S ALDEN ST TradedTraded 2×: $55K in 2022 → $199K in 2023 (+262%). | Owner-occupied | $198K | 3/2 | 972 | 1925 | 2 | tax lien |
| 826 S ALDEN ST HistoryL&I violation (2011); sold $46K (2019). | Investor / LLC | $121K | 3/1 | 972 | 1925 | 1 | rented |
| 827 S ALDEN ST New constructionbuilt new under a 2007 permit (tax-abated), sold for $3K in 2004. | Owner-occupied | $122K | 3/1 | 972 | 1925 | 1 | abatedtax lien |
| 828 S ALDEN ST ImprovedBought for $9K in 2005. Owner pulled a alterations permit in 2025. | Owner-occupied | $121K | 3/1 | 972 | 1925 | 2 | |
| 829 S ALDEN ST ImprovedOwner pulled a roof covering replacement permit in 2024. | Owner-occupied | $122K | 3/1 | 972 | 1925 | 0 | |
| 830 S ALDEN ST New constructionbuilt new under a 2024 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 831 S ALDEN ST | Absentee individual | $122K | 3/1 | 972 | 1925 | 0 | |
| 832 S ALDEN ST New constructionbuilt new under a 2015 permit (tax-abated), sold for $100K in 2025. | Owner-occupied | $121K | 3/1 | 972 | 1925 | 1 | rentedabatedtax lien |
| 833 S ALDEN ST Renovated & sold onBought for $65K in 2011, plumbing permit in 2016, sold for $180K in 2024 (+177%). | Owner-occupied | $155K | 3/1 | 960 | 1925 | 3 | |
| 834 S ALDEN ST New constructionbuilt new under a 2015 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 835 S ALDEN ST Frequently tradedTraded 3×: $62K in 2006 → $8.1M in 2021 (+12924%). | Investor / LLC | $122K | 3/1 | 972 | 1925 | 3 | rented |
| 836 S ALDEN ST New constructionbuilt new under a 2018 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 837 S ALDEN ST Frequently tradedTraded 4×: $26K in 2005 → $95K in 2023 (+265%). | Owner-occupied | $163K | 3/1 | 1,944 | 1925 | 4 | |
| 838 S ALDEN ST New constructionbuilt new under a 2010 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abatedtax lien |
| 839 S ALDEN ST History3 L&I violations (2009); L&I violation (2014); 4 L&I violations (2022); 2 L&I violations (2023). | Vacant | $21K | —/— | — | — | 0 | |
| 840 S ALDEN ST ImprovedBought for $99K in 2008. Owner pulled a plumbing permit in 2012. | Absentee individual | $121K | 3/1 | 972 | 1925 | 1 | |
| 841 S ALDEN ST ImprovedBought for $39K in 2005. Owner pulled a use permit in 2007. | Owner-occupied | $122K | 3/1 | 972 | 1925 | 1 | |
| 842 S ALDEN ST ImprovedOwner pulled a plumbing permit in 2018. | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | |
| 843 S ALDEN ST | Owner-occupied | $122K | 3/1 | 972 | 1925 | 1 | |
| 844 S ALDEN ST History14 L&I violations incl EGRESS DEEMED UNSAFE (2015); 3 L&I violations (2018). | Investor / LLC | $121K | 3/1 | 972 | 1925 | 0 | rented |
| 846 S ALDEN ST ImprovedBought for $70K in 2021. Owner pulled a addition and/or alteration permit in 2020. | Investor / LLC | $121K | 3/1 | 972 | 1925 | 1 | |
| 848 S ALDEN ST New constructionbuilt new under a 2023 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 850 S ALDEN ST | Absentee individual | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 852 S ALDEN ST Renovated & sold onBought for $34K in 2008, plumbing permit in 2008, sold for $73K in 2020 (+113%). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 3 | rented |
| 854 S ALDEN ST New constructionbuilt new under a 2012 permit (tax-abated). | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 856 S ALDEN ST New constructionbuilt new under a 2009 permit (tax-abated), sold for $38K in 2001. | Owner-occupied | $121K | 3/1 | 972 | 1925 | 1 | abated |
| 858 S ALDEN ST | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | abated |
| 860 S ALDEN ST | Owner-occupied | $121K | 3/1 | 972 | 1925 | 0 | |
| 862 S ALDEN ST | Owner-occupied | $126K | 3/1 | 972 | 1925 | 0 | |
| 864 S ALDEN ST New constructionBought for $1K in 2013, built new under a 2020 permit, sold for $250K in 2021. | Owner-occupied | $281K | 3/1 | 2,100 | 1925 | 4 | tax lien |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-09 from public City of Philadelphia records · Download this block's data (CSV)