Who owns your block
100 block of Alter St
A mostly owner-occupied block: 90% of homes are lived in by their owners.
The typical home here is up 137% since 2016, now about $627K. Property taxes are climbing about 8% 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 $627K — about 2.8× 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 | $627K | $461K | $223K |
| Owner-occupied | 50% | 38% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 38 reported crimes (4 violent) and 158 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
- $627K typical home, up +137% since 2016
- Tax bill $2,425 to $5,644 a year, +8%/yr and compounding
- Whole block: $11M assessed, $112,159/yr to the city, about $5,608 per home
Median assessed value · 2016–2027
▲ +137% since 2016
Estimated property tax · per home, per year
▲ +133% since 2016 · ~+8%/yr
Who really pays — effective tax rate, one dot per home
107 Alter St is assessed at $1.1M but pays $5,910 a year — about 40% of the $14,775 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 $237 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 44 arm's-length sales since 1999. The typical home has sold 2 times in that window, while 1 has not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 20 parcels
- Owner-occupied 18
- Absentee individual 2
Value distribution today
No multi-home or corporate owners on this block — every home has its own owner.
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
Worth a look
| Address | Ownership | Value & trend | Bd/Ba | Sq ft | Built | Sales | Flags |
|---|---|---|---|---|---|---|---|
| 101 ALTER ST ImprovedBought for $569K in 2006. Owner pulled a major alteration permit in 2011. | Owner-occupied | $651K | 4/— | 2,825 | 2004 | 1 | |
| 103 ALTER ST New constructionBought for $635K in 2018, built new under a 2016 permit (tax-abated), sold for $700K in 2024. | Owner-occupied | $814K | 4/2 | 2,382 | 2017 | 4 | abatedtax lien |
| 105 ALTER ST New constructionBought for $125K in 2014, built new under a 2014 permit (tax-abated), sold for $790K in 2025. | Owner-occupied | $740K | 3/2 | 2,433 | 2017 | 3 | abatedtax lien |
| 107 ALTER ST New constructionBought for $125K in 2014, built new under a 2014 permit (tax-abated), sold for $1.1M in 2022. | Owner-occupied | $1.1M | 3/3 | 3,193 | 2017 | 3 | abatedtax lien |
| 108 ALTER ST | Owner-occupied | $220K | 2/1 | 628 | 1925 | 0 | |
| 110 ALTER ST HistoryL&I violation (2021); sold $117K (2022). | Absentee individual | $202K | 2/1 | 563 | 1925 | 1 | rented |
| 112 ALTER ST Frequently tradedTraded 3×: $31K in 1999 → $300K in 2015 (+868%). | Owner-occupied | $387K | —/— | 1,800 | 1925 | 3 | |
| 114 ALTER ST | Owner-occupied | $308K | —/— | 1,350 | 1925 | 1 | rented |
| 116 ALTER ST Frequently tradedTraded 4×: $213K in 2006 → $330K in 2024 (+55%). | Owner-occupied | $286K | 3/1 | 1,163 | 1925 | 4 | |
| 118 ALTER ST ImprovedBought for $238K in 2011. Owner pulled a mechanical permit in 2011. | Owner-occupied | $384K | —/— | 1,265 | 1925 | 2 | |
| 120 ALTER ST Renovated & sold onBought for $156K in 2021, addition and/or alterations permit in 2022, sold for $393K in 2024 (+152%). | Owner-occupied | $415K | 2/2 | 1,183 | 1925 | 2 | |
| 122 ALTER ST Frequently tradedTraded 3×: $105K in 2000 → $285K in 2007 (+171%). | Owner-occupied | $323K | —/— | 1,488 | 1925 | 3 | |
| 124 ALTER ST LandVacant land, last sold for $577K in 2006. | Owner-occupied | $657K | 4/2 | 2,743 | 2007 | 2 | |
| 126 ALTER ST Frequently tradedTraded 3×: $590K in 2006 → $525K in 2018 (-11%). | Owner-occupied | $598K | 4/2 | 2,280 | 2006 | 3 | |
| 128 ALTER ST ImprovedBought for $606K in 2006. Owner pulled a alterations permit in 2023. | Owner-occupied | $657K | 4/2 | 2,743 | 2005 | 3 | |
| 130 ALTER ST ImprovedBought for $555K in 2006. Owner pulled a alterations permit in 2023. | Owner-occupied | $657K | 4/2 | 2,743 | 2005 | 1 | |
| 132 ALTER ST | Owner-occupied | $657K | 4/2 | 2,743 | 2006 | 1 | |
| 134 ALTER ST New constructionBought for $504K in 2013, built new under a 2013 permit, sold for $590K in 2016. | Owner-occupied | $627K | 4/— | 2,512 | 2014 | 2 | |
| 136 ALTER ST New constructionBought for $1.4M in 2004, built new under a 2013 permit. | Absentee individual | $627K | 4/— | 2,512 | 2014 | 2 | rented |
| 138 ALTER ST New constructionBought for $126K in 2013, built new under a 2013 permit, sold for $612K in 2018. | Owner-occupied | $626K | 4/— | 2,512 | 2014 | 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)