Who owns your block
400 block of S Alder St
A mostly owner-occupied block: 100% of homes are lived in by their owners.
The typical home here is up 71% since 2016, now about $588K. Property taxes are climbing about 5% a year though the increases have eased lately.
- 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.
How the block compares
The typical home here is $588K — about 2.6× the citywide median, and above the ZIP 19147 median of $461K. The same block, read against everyone else in the ZIP 19147 and across Philadelphia.
| This block | ZIP 19147 | Philadelphia | |
|---|---|---|---|
| Median home value | $588K | $461K | $223K |
| Owner-occupied | 50% | 38% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 117 reported crimes (29 violent) and 382 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
- $588K typical home, up +71% since 2016
- Tax bill $4,588 to $7,525 a year, +5%/yr and compounding
- Whole block: $2.3M assessed, $29,952/yr to the city, about $7,488 per home
Median assessed value · 2016–2027
▲ +71% since 2016
Estimated property tax · per home, per year
▲ +64% since 2016 · ~+5%/yr
The block as an asset
Read like a financial asset, this block has lagged the Philadelphia market, compounding +5% 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 $171 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 10 arm's-length sales since 2002. The typical home has sold 2 times in that window.
Every recorded sale · price & date
Who owns it
Ownership of 4 parcels
- Owner-occupied 4
Value distribution today
No multi-home or corporate owners on this block — every home has its own owner.
House by house
All 4 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
| Address | Ownership | Value & trend | Bd/Ba | Sq ft | Built | Sales | Flags |
|---|---|---|---|---|---|---|---|
| 401 S ALDER ST | Owner-occupied | $870K | —/— | 1,704 | 1975 | 1 | |
| 403 S ALDER ST Renovated & sold onBought for $412K in 2009, major alteration permit in 2014, sold for $975K in 2025 (+137%). | Owner-occupied | $870K | 3/2 | 1,704 | 1975 | 2 | |
| 408 S ALDER ST Frequently tradedTraded 5×: $167K in 2004 → $303K in 2021 (+81%). | Owner-occupied | $294K | 2/1 | 531 | 1900 | 5 | |
| 410 S ALDER ST ImprovedBought for $270K in 2017. Owner pulled a alterations permit in 2022. | Owner-occupied | $305K | 2/1 | 537 | 1900 | 2 |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-09 from public City of Philadelphia records · Download this block's data (CSV)