Public Records
Edition
PhiladelphiaBuilt on public City of Philadelphia recordsJuly 9, 2026

Who owns your block

8100 block of Algon Ave

A mostly owner-occupied block: 83% of homes are lived in by their owners, with 3 open code violations.

The typical home here is up 88% since 2016, now about $376K. Property taxes are climbing about 6% a year and the increases are speeding up.

Every parcel on the block, colored by who owns it. Tap a parcel for the owner and its city record.

By the Numbers

Median value
$376K
$38K–$452K
ZIP median $330K
Price / sq ft
$309
typical home
city median $177
Vs. Philadelphia
1.7×
the city median
city $223K
Tax / yr
$5K
typical · up to $6K
city ≈$3K/yr
Median built
1960
year built
city 1925
Owner-occupied
83%
10 of 12
city 41%
Rentals
8%
1 licensed
city 15% of homes
Open violations
3
L&I code
▲ block 8% · city 5%
Back taxes
$0
all current
▼ block 0% · city 9%
Zoning appeals
1
1 home · ZBA & boards
block 8% · city 5%

How fast it's moving

1 year
+23%
value · tax +$426
5 years
+64%
value · tax +$2K
10 years
+88%
value · tax +$2K

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.

2027
  • 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 $376K — about 1.7× the citywide median, and above the ZIP 19152 median of $330K. The same block, read against everyone else in the ZIP 19152 and across Philadelphia.

This blockZIP 19152Philadelphia
Median home value$376K$330K$223K
Owner-occupied50%59%41%

Safety & quality of life

Within 200 metres of the block over the last 12 months: 22 reported crimes (1 violent) and 55 resident 311 requests to the city.

Crimes · 12mo
22
1 violent · within 200m
311 requests · 12mo
55
11 still open

Most reported crimes

Theft from Vehicle8
Thefts7
Motor Vehicle Theft5
Fraud1
Other Assaults1

Top 311 complaints

Street Light Outage10
Maintenance Complaint9
Rubbish/Recyclable Material Collection8
Abandoned Vehicle6
Dangerous Sidewalk3
Other (Streets)3

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.

Elementary & Middle · K-8
Louis H Farrell
8300 Castor Ave · 1255 students
High · 9-12
Northeast High
1601 Cottman Ave · 185 students

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

Median assessed value · 2016–2027

$0$250K$500K$376K2016: $200K2017: $200K2018: $200K2019: $222K2020: $229K2021: $229K2022: $229K2023: $267K2024: $267K2025: $307K2026: $307K2027: $376K2016202020232027

▲ +88% since 2016

Estimated property tax · per home, per year

$0$2,500$5,000$4,5022016: $2,3822017: $2,3822018: $2,3822019: $2,5462020: $2,5772021: $2,5772022: $2,5772023: $3,1782024: $3,3962025: $4,0762026: $4,0762027: $4,5022016202020232027

▲ +89% since 2016 · ~+6%/yr

Who really pays — effective tax rate, one dot per home

1.40% — the statutory rate0%0.4%0.8%1.2%

The block as an asset

Read like a financial asset, this block has lagged the Philadelphia market, compounding +5.9% a year against the city's 6.5%.

Indexed performance · this block vs. the Philadelphia market

9510025020162019202220252027This block 188 Philadelphia 201

Rebased to 100 in 2016, like a stock against its index. $100 in the typical home here would be worth $188 today versus $201 across Philadelphia — this block trailed the market.

Annualized return
+5.9%/yr
price, since 2016
Total appreciation
+88%
since 2016
Net rental yield
est., after tax carry
Total return
+5.9%/yr
price + net rent
Real return
+2.9%/yr
after ~3% inflation
vs. Philadelphia
-0.6 pts
market 6.5%/yr

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 18 arm's-length sales since 2004. The typical home has sold 2 times in that window, while 4 have not changed hands at all.

Every recorded sale · price & date

$0$500K$1.0M20042008201220162020
18arm's-length sales since 2004
2times the typical home has sold
3most sales for a single property
4homes never sold in the window

Who owns it

Ownership of 12 parcels

Owner-occupied: 10Absentee individual: 1Vacant: 1 12parcels
  • Owner-occupied 10
  • Absentee individual 1
  • Vacant 1

Value distribution today

1 parcels0 parcels0 parcels0 parcels3 parcels2 parcels6 parcels
$38K$437K+

The block's largest owner, Csx Transportation Inc, carries 1 open violation across 36 properties it owns around the city.

OwnerOn blockOwns citywidePortfolio valueSource
Csx Transportation Inc136$20Mphila.gov ↗
Langdon 2018 Associates L33$1.3Mphila.gov ↗

House by house

All 12 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

$0$250K$500K201620182020202220242026Block median
Each houseNew build / flipBlock median
AddressOwnershipValue & trendBd/BaSq ftBuiltSalesFlags
8104 ALGON AVE Bought for $212K in 2010, alteration permit in 2014, sold for $355K in 2023 (+67%). Absentee individual $346K 3/3 1,120 1960 2
8105 ALGON AVE Bought for $157K in 2012. Owner pulled a fence permit in 2023. Owner-occupied $318K 3/1 918 1960 1
8108 ALGON AVE Owner pulled a alterations permit in 2023. Owner-occupied $437K 4/3 1,800 1960 0
8109 ALGON AVE Owner-occupied $318K 4/2 918 1960 1
8112 ALGON AVE Owner pulled a mechanical permit in 2008. Owner-occupied $452K —/— 1,913 1960 0
8113 ALGON AVE Bought for $160K in 2005, built new under a 2007 permit, sold for $330K in 2023. Owner-occupied $328K 3/1 918 1960 3
8117 ALGON AVE Bought for $243K in 2022. Owner pulled a plumbing permit in 2017. Owner-occupied $406K 3/2 1,142 1960 2
8121 ALGON AVE Owner pulled a alteration permit in 2017. Owner-occupied $318K —/— 918 1960 0
8122R ALGON AVE Vacant $38K —/— 0
8123 ALGON AVE Bought for $570K in 2004, electrical permit in 2012, sold for $900K in 2018 (+58%). Owner-occupied $436K —/— 3,120 1961 3 rented
8125 ALGON AVE Traded 3×: $570K in 2004 → $900K in 2018 (+58%). Owner-occupied $436K —/— 3,120 1961 3
8127 ALGON AVE Bought for $570K in 2004. Owner pulled a alterations permit in 2021. Owner-occupied $436K —/— 3,120 1961 3 3 viol

Neighborhood

Neighborhood income and demographics are coming soon.

Generated 2026-07-09 from public City of Philadelphia records  ·  Download this block's data (CSV)

Where this comes from

City datasets are fetched live from OpenDataPhilly (phl.carto.com) and cached briefly. AI-written passages are generated from these records only and rejected if they state a number the record doesn't hold.