Who owns your block
1900 block of S Alder St
A mostly owner-occupied block: 76% of homes are lived in by their owners, with 1 open code violation.
The typical home here is up 104% since 2016, now about $236K. Property taxes are climbing about 7% 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.
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 $236K — about 1.1× the citywide median, and below the ZIP 19148 median of $261K. The same block, read against everyone else in the ZIP 19148 and across Philadelphia.
| This block | ZIP 19148 | Philadelphia | |
|---|---|---|---|
| Median home value | $236K | $261K | $223K |
| Owner-occupied | 62% | 41% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 92 reported crimes (15 violent) and 347 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
- $236K typical home, up +104% since 2016
- Tax bill $1,252 to $2,508 a year, +7%/yr and compounding
- Whole block: $11M assessed, $112,003/yr to the city, about $2,667 per home
Median assessed value · 2016–2027
▲ +104% since 2016
Estimated property tax · per home, per year
▲ +100% since 2016 · ~+7%/yr
Who really pays — effective tax rate, one dot per home
1933 S Alder St is assessed at $490K but pays $3,129 a year — about 46% of the $6,859 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 tracked the Philadelphia market, compounding +6.7% 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 $204 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 75 arm's-length sales since 2001. The typical home has sold 1 time in that window, while 6 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 42 parcels
- Owner-occupied 32
- Investor / LLC 2
- Absentee individual 8
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| 1905 Alder Llc | 1 | 1 | $580K | phila.gov ↗ |
| 1912 S Alder Street Llc | 1 | 1 | $240K | phila.gov ↗ |
House by house
All 42 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 |
|---|---|---|---|---|---|---|---|
| 1901 S ALDER ST ImprovedOwner pulled a major alteration permit in 2019. | Owner-occupied | $222K | 3/1 | 784 | 1940 | 0 | |
| 1902 S ALDER ST ImprovedBought for $17K in 2002. Owner pulled a addition and/or alteration permit in 2024. | Owner-occupied | $219K | 2/1 | 889 | 1940 | 3 | |
| 1903 S ALDER ST Renovated & sold onBought for $60K in 2003, addition and/or alteration permit in 2024, sold for $395K in 2025 (+558%). | Owner-occupied | $321K | 2/1 | 784 | 1940 | 4 | |
| 1904 S ALDER ST New constructionBought for $204K in 2017, built new under a 2017 permit (tax-abated), sold for $425K in 2022. | Absentee individual | $340K | 3/1 | 1,026 | 1940 | 3 | abated |
| 1905 S ALDER ST New constructionBought for $67K in 2004, built new under a 2023 permit, sold for $220K in 2023. | Investor / LLC | $580K | 3/2 | 1,500 | 1940 | 3 | |
| 1906 S ALDER ST ImprovedBought for $60K in 2001. Owner pulled a addition and/or alteration permit in 2024. | Owner-occupied | $219K | 3/1 | 784 | 1940 | 1 | |
| 1907 S ALDER ST Frequently tradedTraded 3×: $35K in 2001 → $250K in 2019 (+625%). | Owner-occupied | $222K | 3/1 | 784 | 1940 | 3 | |
| 1908 S ALDER ST Frequently tradedTraded 3×: $42K in 2001 → $257K in 2015 (+512%). | Owner-occupied | $251K | 3/1 | 980 | 1940 | 3 | |
| 1909 S ALDER ST ImprovedBought for $138K in 2011. Owner pulled a plumbing permit in 2015. | Owner-occupied | $222K | 3/1 | 784 | 1940 | 1 | tax lien |
| 1910 S ALDER ST | Owner-occupied | $234K | 3/1 | 1,014 | 1940 | 1 | rented |
| 1911 S ALDER ST Frequently tradedTraded 3×: $105K in 2013 → $295K in 2018 (+181%). | Owner-occupied | $235K | 3/1 | 992 | 1940 | 3 | |
| 1912 S ALDER ST ImprovedBought for $243K in 2022. Owner pulled a addition and/or alteration permit in 2022. | Investor / LLC | $240K | 3/1 | 1,066 | 1940 | 1 | rented |
| 1913 S ALDER ST | Owner-occupied | $222K | 3/1 | 784 | 1940 | 1 | |
| 1914 S ALDER ST ImprovedBought for $147K in 2008. Owner pulled a alterations permit in 2024. | Absentee individual | $239K | 3/1 | 784 | 1940 | 1 | rented |
| 1915 S ALDER ST TradedTraded 2×: $120K in 2010 → $175K in 2016 (+46%). | Absentee individual | $222K | 3/1 | 784 | 1940 | 2 | |
| 1916 S ALDER ST ImprovedBought for $173K in 2016. Owner pulled a alteration permit in 2017. | Owner-occupied | $219K | 3/1 | 784 | 1940 | 1 | |
| 1917 S ALDER ST | Absentee individual | $222K | 3/1 | 784 | 1940 | 1 | |
| 1918 S ALDER ST Frequently tradedTraded 4×: $50K in 2003 → $190K in 2008 (+280%). | Owner-occupied | $291K | 3/1 | 1,176 | 1940 | 4 | |
| 1919 S ALDER ST | Owner-occupied | $222K | 3/1 | 784 | 1940 | 0 | |
| 1920 S ALDER ST Renovated & sold onBought for $90K in 2004, major alteration permit in 2013, sold for $335K in 2020 (+272%). | Owner-occupied | $318K | 3/1 | 1,120 | 1940 | 3 | |
| 1921 S ALDER ST Renovated & sold onBought for $115K in 2014, alteration permit in 2015, sold for $252K in 2015 (+119%). | Owner-occupied | $247K | 3/1 | 1,096 | 1940 | 2 | |
| 1922 S ALDER ST | Owner-occupied | $219K | 3/1 | 784 | 1940 | 1 | |
| 1923 S ALDER ST Renovated & sold onBought for $125K in 2012, demolition permit in 2012, sold for $240K in 2013 (+92%). | Owner-occupied | $287K | 2/1 | 784 | 1940 | 2 | rented |
| 1924 S ALDER ST Renovated & sold onBought for $225K in 2019, addition and/or alteration permit in 2019, sold for $425K in 2025 (+89%). | Owner-occupied | $331K | 3/3 | 972 | 1940 | 2 | |
| 1925 S ALDER ST Renovated & sold onBought for $46K in 2001, plumbing permit in 2017, sold for $249K in 2025 (+441%). | Owner-occupied | $222K | 2/1 | 784 | 1940 | 4 | |
| 1926 S ALDER ST Frequently tradedTraded 4×: $75K in 2003 → $315K in 2021 (+320%). | Owner-occupied | $246K | 3/1 | 1,116 | 1940 | 4 | |
| 1927 S ALDER ST Frequently tradedTraded 3×: $65K in 2002 → $255K in 2016 (+292%). | Owner-occupied | $243K | 3/1 | 1,064 | 1940 | 3 | |
| 1928 S ALDER ST New constructionBought for $52K in 2002, built new under a 2017 permit, sold for $405K in 2022. | Owner-occupied | $314K | 2/1 | 1,096 | 1940 | 3 | |
| 1929 S ALDER ST | Owner-occupied | $222K | 3/1 | 784 | 1940 | 1 | |
| 1930 S ALDER ST ImprovedOwner pulled a masonry facade replacement permit in 2020. | Owner-occupied | $219K | 3/1 | 784 | 1940 | 0 | |
| 1931 S ALDER ST | Owner-occupied | $272K | 3/1 | 1,120 | 1940 | 1 | |
| 1932 S ALDER ST | Owner-occupied | $231K | 3/1 | 984 | 1940 | 0 | |
| 1933 S ALDER ST New constructionbuilt new under a 2024 permit (tax-abated), sold for $224K in 2022. | Owner-occupied | $490K | 3/2 | 1,680 | 1940 | 1 | abatedtax lien |
| 1934 S ALDER ST TradedTraded 2×: $31K in 2010 → $147K in 2011 (+374%). | Owner-occupied | $219K | 2/1 | 784 | 1940 | 2 | |
| 1935 S ALDER ST New constructionbuilt new (tax-abated), sold for $182K in 2005. | Owner-occupied | $250K | 3/1 | 1,120 | 1940 | 1 | abated |
| 1936 S ALDER ST | Owner-occupied | $230K | 3/1 | 864 | 1940 | 0 | |
| 1937 S ALDER ST | Absentee individual | $250K | 3/1 | 1,120 | 1940 | 1 | rented |
| 1938 S ALDER ST | Owner-occupied | $219K | 3/1 | 784 | 1940 | 1 | |
| 1939 S ALDER ST | Absentee individual | $237K | 3/1 | 1,008 | 1940 | 1 | rented |
| 1940 S ALDER ST Renovated & sold onBought for $120K in 2005, alteration permit in 2011, sold for $324K in 2020 (+170%). | Owner-occupied | $297K | 3/1 | 864 | 1940 | 5 | |
| 1941 S ALDER ST ImprovedBought for $240K in 2019. Owner pulled a addition and/or alteration permit in 2020. | Absentee individual | $272K | 3/2 | 1,122 | 1940 | 1 | |
| 1942 S ALDER ST HistoryL&I violation (2026). | Absentee individual | $230K | 3/1 | 864 | 1940 | 0 | 1 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)