Public Records
Edition
PhiladelphiaBuilt on public City of Philadelphia recordsJuly 8, 2026

Who owns your block

6400 block of N 21st St

A mostly owner-occupied block: 76% of homes are lived in by their owners, with 7 open code violations and 5 homes behind $51,123 on taxes.

The typical home here is up 88% since 2016, now about $177K. Property taxes are climbing about 2% 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
$177K
$3K–$263K
ZIP median $187K
Price / sq ft
$121
typical home
city median $177
Vs. Philadelphia
0.8×
the city median
city $223K
Recent sale
$100K
3 sold in 2yr
assessed $177K
Tax / yr
$1K
typical · up to $4K
city ≈$3K/yr
Median built
1905
year built
city 1925
Owner-occupied
76%
22 of 29
city 41%
Rentals
14%
4 licensed
city 15% of homes
Open violations
7
L&I code
▲ block 7% · city 5%
Back taxes
$51K
5 of 29 behind
▲ block 17% · city 9%
Zoning appeals
1
1 home · ZBA & boards
block 3% · city 5%

How fast it's moving

1 year
+1%
value · tax −$612
5 years
+85%
value · tax +$368
10 years
+88%
value · tax +$179

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 $177K — about 0.8× the citywide median, and below the ZIP 19138 median of $187K. The same block, read against everyone else in the ZIP 19138 and across Philadelphia.

This blockZIP 19138Philadelphia
Median home value$177K$187K$223K
Owner-occupied48%53%41%

Safety & quality of life

Within 200 metres of the block over the last 12 months: 100 reported crimes (41 violent) and 241 resident 311 requests to the city.

Crimes · 12mo
100
41 violent · within 200m
311 requests · 12mo
241
68 still open

Most reported crimes

Other Assaults26
Motor Vehicle Theft14
Narcotic / Drug Law Violations12
Vandalism/Criminal Mischief9
Aggravated Assault No Firearm8
Fraud8

Top 311 complaints

Maintenance Complaint55
Rubbish/Recyclable Material Collection42
Illegal Dumping33
Abandoned Vehicle30
Shoveling13
Information Request7

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
Mastery Charter School At Pastorius
High · 9-12
Martin Luther King
6100 Stenton Ave · 604 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$100K$200K$177K2016: $95K2017: $95K2018: $95K2019: $100K2020: $96K2021: $96K2022: $96K2023: $135K2024: $135K2025: $175K2026: $175K2027: $177K2016202020232027

▲ +88% since 2016

Estimated property tax · per home, per year

$0$1,000$2,000$1,0832016: $9042017: $9042018: $9042019: $8442020: $7152021: $7152022: $7152023: $7742024: $7742025: $1,0532026: $1,6952027: $1,0832016202020232027

▲ +20% since 2016 · ~+2%/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 28 arm's-length sales since 2002. The typical home has sold 0 times in that window, while 15 have not changed hands at all.

Every recorded sale · price & date

$0$125K$250K20052010201520202025
28arm's-length sales since 2002
0times the typical home has sold
4most sales for a single property
15homes never sold in the window

Who owns it

Ownership of 29 parcels

Owner-occupied: 22Investor / LLC: 2Absentee individual: 2Vacant: 3 29parcels
  • Owner-occupied 22
  • Investor / LLC 2
  • Absentee individual 2
  • Vacant 3

Value distribution today

3 parcels0 parcels0 parcels0 parcels0 parcels22 parcels4 parcels
$3K$218K+

The block's largest owner, Overbrook Park Properties Llc, carries 12 open violations across 12 properties it owns around the city.

OwnerOn blockOwns citywidePortfolio valueSource
Overbrook Park Properties Llc112$2.0Mphila.gov ↗
Brown Family Trust11$3Kphila.gov ↗
6433n21st Llc11$177Kphila.gov ↗

House by house

All 29 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
6408 N 21ST ST Owner-occupied $177K 3/1 1,464 1905 1
6409 N 21ST ST Owner pulled a alteration permit in 2019. Owner-occupied $177K 3/1 1,464 1905 0 tax lien
6410 N 21ST ST L&I violation (2022). Owner-occupied $177K 3/1 1,464 1905 0
6410R N 21ST ST Vacant $3K —/— 0
6411 N 21ST ST Traded 2×: $54K in 2016 → $90K in 2023 (+68%). Owner-occupied $177K 3/1 1,464 1905 2
6412 N 21ST ST Owner pulled a major alteration permit in 2016. Owner-occupied $263K 4/1 1,464 1905 0
6413 N 21ST ST Bought for $24K in 2003, electrical permit in 2010, sold for $112K in 2013 (+367%). Owner-occupied $177K 3/1 1,464 1905 3
6414R N 21ST ST 2 L&I violations (2010); 2 L&I violations (2012). Vacant $3K —/— 0 tax lien
6414 N 21ST ST Owner-occupied $177K 3/1 1,464 1905 1
6415 N 21ST ST Bought for $3K in 2012, major alteration permit in 2012, sold for $175K in 2019 (+5733%). Owner-occupied $237K 4/1 1,464 1905 4
6416 N 21ST ST Owner pulled a alterations permit in 2026. Owner-occupied $198K 3/1 1,464 1905 0
6417 N 21ST ST Bought for $30K in 2002. Owner pulled a major alteration permit in 2012. Owner-occupied $177K 3/1 1,464 1905 3
6418 N 21ST ST Owner pulled a alterations permit in 2026. Owner-occupied $177K 3/1 1,464 1905 0
6419 N 21ST ST Bought for $120K in 2021. Owner pulled a alterations permit in 2022. Owner-occupied $177K 3/1 1,464 1905 1
6420 N 21ST ST Owner-occupied $177K 3/1 1,464 1905 0 rented
6421 N 21ST ST L&I violation (2022); L&I violation (2025); sold $125K (2025). Investor / LLC $177K 3/1 1,464 1905 1 rented
6422 N 21ST ST L&I violation (2021); L&I violation (2022); L&I violation (2025). Absentee individual $177K 3/1 1,464 1905 0 rentedtax lien
6422R N 21ST ST 2 L&I violations (2010); 4 L&I violations (2025). Vacant $3K —/— 0 4 violtax lien
6423 N 21ST ST Traded 3×: $45K in 2010 → $64K in 2026 (+41%). Absentee individual $218K 3/1 1,464 1905 3 3 viol
6424 N 21ST ST Traded 2×: $35K in 2011 → $35K in 2011 (+0%). Owner-occupied $177K 3/1 1,464 1905 2
6425 N 21ST ST Traded 3×: $47K in 2004 → $80K in 2007 (+70%). Owner-occupied $177K 3/1 1,464 1905 3
6426 N 21ST ST L&I violation (2018); 2 L&I violations (2019); 2 L&I violations (2020). Owner-occupied $177K 3/1 1,464 1905 0 tax lien
6427 N 21ST ST Traded 2×: $30K in 2006 → $85K in 2007 (+183%). Owner-occupied $177K 3/1 1,464 1905 2
6428 N 21ST ST 2 L&I violations (2018); 2 L&I violations (2019). Owner-occupied $177K 3/1 1,464 1905 0 tax lien
6429 N 21ST ST Owner-occupied $177K 3/1 1,464 1905 0
6430 N 21ST ST Owner pulled a plumbing permit in 2011. Owner-occupied $177K 3/1 1,464 1905 0
6431 N 21ST ST Owner-occupied $177K 3/1 1,464 1905 1
6432 N 21ST ST 2 L&I violations (2018); 2 L&I violations (2019). Owner-occupied $177K 3/1 1,464 1905 0
6433 N 21ST ST Investor / LLC $177K 3/1 1,464 1905 1 rented

Neighborhood

Neighborhood income and demographics are coming soon.

Generated 2026-07-08 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.