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

Who owns your block

6400 block of Algon Ave

A mostly owner-occupied block: 75% of homes are lived in by their owners, with 1 home behind $4,603 on taxes.

The typical home here is up 85% since 2016, now about $258K. Property taxes are climbing about 8% 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
$258K
$256K–$306K
ZIP median $293K
Price / sq ft
$178
typical home
city median $177
Vs. Philadelphia
1.2×
the city median
city $223K
Recent sale
$330K
1 sold in 2yr
assessed $258K
Tax / yr
$4K
typical · up to $4K
city ≈$3K/yr
Median built
1948
year built
city 1925
Owner-occupied
75%
15 of 20
city 41%
Rentals
15%
3 licensed
city 15% of homes
Open violations
0
none on record
▼ block 0% · city 5%
Back taxes
$5K
1 of 20 behind
▼ block 5% · city 9%

How fast it's moving

1 year
+3%
value · tax +$158
5 years
+72%
value · tax +$2K
10 years
+85%
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 $258K — about 1.2× the citywide median, and below the ZIP 19111 median of $293K. The same block, read against everyone else in the ZIP 19111 and across Philadelphia.

This blockZIP 19111Philadelphia
Median home value$258K$293K$223K
Owner-occupied45%57%41%

Safety & quality of life

Within 200 metres of the block over the last 12 months: 32 reported crimes (6 violent) and 64 resident 311 requests to the city.

Crimes · 12mo
32
6 violent · within 200m
311 requests · 12mo
64
3 still open

Most reported crimes

Motor Vehicle Theft10
Other Assaults6
Thefts6
All Other Offenses4
Vandalism/Criminal Mischief3
Fraud2

Top 311 complaints

Maintenance Complaint15
Rubbish/Recyclable Material Collection12
Traffic Signal Emergency6
Dead Animal in Street3
Graffiti Removal3
Information Request3

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 · K-5
Laura H Carnell
1100 Devereaux Ave · 652 students
Middle · 6-8
Warren G Harding
2000 Wakeling St · 522 students
High · 9-12
Samuel Fels
5500 Langdon St · 1228 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$258K2016: $140K2017: $140K2018: $140K2019: $144K2020: $150K2021: $150K2022: $150K2023: $212K2024: $212K2025: $251K2026: $251K2027: $258K2016202020232027

▲ +85% since 2016

Estimated property tax · per home, per year

$0$2,500$5,000$3,5922016: $1,5502017: $1,5502018: $1,5502019: $1,4782020: $1,4942021: $1,4892022: $1,4942023: $2,4072024: $2,4072025: $3,2092026: $3,4342027: $3,5922016202020232027

▲ +132% since 2016 · ~+8%/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 +5.7% a year against the city's 6.5%.

Indexed performance · this block vs. the Philadelphia market

9510025020162019202220252027This block 185 Philadelphia 201

Rebased to 100 in 2016, like a stock against its index. $100 in the typical home here would be worth $185 today versus $201 across Philadelphia — this block trailed the market.

Annualized return
+5.7%/yr
price, since 2016
Total appreciation
+85%
since 2016
Net rental yield
est., after tax carry
Total return
+5.7%/yr
price + net rent
Real return
+2.7%/yr
after ~3% inflation
vs. Philadelphia
-0.8 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 31 arm's-length sales since 1999. The typical home has sold 1 time in that window, while 1 has not changed hands at all.

Every recorded sale · price & date

$0$250K$500K2004201020162022
31arm's-length sales since 1999
1times the typical home has sold
3most sales for a single property
1homes never sold in the window

Who owns it

Ownership of 20 parcels

Owner-occupied: 15Investor / LLC: 1Absentee individual: 4 20parcels
  • Owner-occupied 15
  • Investor / LLC 1
  • Absentee individual 4

Value distribution today

18 parcels0 parcels0 parcels0 parcels0 parcels0 parcels2 parcels
$256K$298K+
OwnerOn blockOwns citywidePortfolio valueSource
Zhangs Management Llc19$2.1Mphila.gov ↗

House by house

All 20 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

Worth a look

AddressOwnershipValue & trendBd/BaSq ftBuiltSalesFlags
6400 ALGON AVE Bought for $35K in 2000, major alteration permit in 2016, sold for $330K in 2025 (+857%). Absentee individual $298K 4/2 1,920 1948 3
6402 ALGON AVE sold $82K (2000); L&I violation (2014); 2 L&I violations (2017). Absentee individual $306K —/— 1,920 1948 1
6404 ALGON AVE sold $87K (2013); 4 L&I violations (2019). Absentee individual $258K —/— 1,452 1948 1 rented
6406 ALGON AVE Traded 2×: $67K in 2000 → $140K in 2011 (+109%). Owner-occupied $256K —/— 1,452 1948 2
6408 ALGON AVE Bought for $95K in 2002. Owner pulled a plumbing permit in 2013. Owner-occupied $258K —/— 1,454 1948 1
6410 ALGON AVE Owner-occupied $258K —/— 1,452 1948 1
6412 ALGON AVE Traded 2×: $67K in 1999 → $157K in 2008 (+134%). Owner-occupied $258K —/— 1,452 1948 2
6414 ALGON AVE Owner-occupied $258K —/— 1,452 1948 0
6416 ALGON AVE Traded 2×: $76K in 2002 → $140K in 2012 (+84%). Owner-occupied $258K —/— 1,452 1948 2
6418 ALGON AVE Traded 3×: $79K in 2001 → $210K in 2020 (+166%). Owner-occupied $258K 3/1 1,452 1948 3
6420 ALGON AVE Bought for $80K in 2001. Owner pulled a plumbing permit in 2019. Owner-occupied $258K —/— 1,452 1948 1
6422 ALGON AVE sold $235K (2021); L&I violation (2022); L&I violation (2023). Owner-occupied $258K 3/1 1,452 1948 1
6424 ALGON AVE sold $174K (2007); 2 L&I violations (2016). Owner-occupied $258K —/— 1,452 1948 1
6426 ALGON AVE sold $165K (2006); 3 L&I violations (2012); 4 L&I violations (2015); 2 L&I violations (2016); 2 L&I violations (2020). Owner-occupied $256K —/— 1,452 1948 1
6428 ALGON AVE sold $83K (2002); L&I violation (2015). Owner-occupied $256K —/— 1,452 1948 1
6430 ALGON AVE Bought for $82K in 2001. Owner pulled a electrical permit in 2013. Owner-occupied $258K —/— 1,452 1948 1
6432 ALGON AVE Traded 3×: $109K in 2003 → $121K in 2014 (+11%). Owner-occupied $258K —/— 1,452 1948 3
6434 ALGON AVE Absentee individual $258K —/— 1,452 1948 1 rented
6436 ALGON AVE Bought for $157K in 2010, major alteration permit in 2014, sold for $216K in 2022 (+38%). Investor / LLC $258K 3/1 1,452 1948 2 rented
6438 ALGON AVE Traded 3×: $220K in 2024 → $360K in 2025 (+64%). Owner-occupied $257K —/— 1,452 1948 3

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.