Who owns your block
800 block of N 4th St
A mixed-ownership block: 49% owner-occupied, 12% investor-held, with 1 open code violation and 7 homes behind $104,643 on taxes.
The typical home here is up 91% since 2016, now about $478K. Property taxes are climbing about 6% 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 $478K — about 2.1× the citywide median, and above the ZIP 19123 median of $455K. The same block, read against everyone else in the ZIP 19123 and across Philadelphia.
| This block | ZIP 19123 | Philadelphia | |
|---|---|---|---|
| Median home value | $478K | $455K | $223K |
| Owner-occupied | 30% | 23% | 41% |
Safety & quality of life
Within 200 metres of the block over the last 12 months: 63 reported crimes (7 violent) and 207 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
- $478K typical home, up +91% since 2016
- Tax bill $3,054 to $5,511 a year, +6%/yr and compounding
- Whole block: $46M assessed, $495,288/yr to the city, about $6,115 per home
Median assessed value · 2016–2027
▲ +91% since 2016
Estimated property tax · per home, per year
▲ +80% since 2016 · ~+6%/yr
Who really pays — effective tax rate, one dot per home
818 N 4th St is assessed at $1.5M but pays $5,350 a year — about 25% of the $21,400 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 +6.1% 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 $191 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 60 arm's-length sales since 2000. The typical home has sold 0 times in that window, while 49 have not changed hands at all.
Every recorded sale · price & date
Who owns it
Ownership of 81 parcels
- Owner-occupied 38
- Investor / LLC 9
- Absentee individual 28
- Vacant 6
Value distribution today
| Owner | On block | Owns citywide | Portfolio value | Source |
|---|---|---|---|---|
| Roland Kassis (individual) | 4 | 4 | $1.5M | phila.gov ↗ |
| Jonathan Grinberg (individual) | 3 | 3 | $864K | phila.gov ↗ |
| Alexander N Selden (individual) | 2 | 2 | $1.6M | phila.gov ↗ |
| Brian J Litten (individual) | 2 | 2 | $922K | phila.gov ↗ |
| Kimberly Hino (individual) | 2 | 2 | $557K | phila.gov ↗ |
| Liberties Duck Lp | 2 | 2 | $60K | phila.gov ↗ |
| Kenneth S Davies (individual) | 2 | 2 | $950K | phila.gov ↗ |
| Rina Y Patel (individual) | 2 | 2 | $590K | phila.gov ↗ |
| Accordia Realty Llc | 1 | 1 | $739K | phila.gov ↗ |
| Nellie Real Estate Llc | 1 | 1 | $421K | phila.gov ↗ |
| Coffee Flats Lp | 1 | 1 | $557K | phila.gov ↗ |
| 818 N 4th Llc | 1 | 1 | $497K | phila.gov ↗ |
House by house
All 81 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 |
|---|---|---|---|---|---|---|---|
| 800-06 N 4TH ST ImprovedOwner pulled a use permit in 2007. | Absentee individual | $1.3M | —/— | 4,500 | 1965 | 0 | 1 viol |
| 801-15 N 4TH ST ImprovedOwner pulled a addition and/or alteration permit in 2024. | Absentee individual | $1.8M | —/— | 26,580 | 1910 | 0 | |
| 808 N 4TH ST New constructionBought for $32K in 2011, built new under a 2011 permit, sold for $1.4M in 2017. | Investor / LLC | $739K | —/— | 4,019 | 2013 | 3 | rented |
| 812 N 4TH ST ImprovedOwner pulled a zoning permit in 2010. | Absentee individual | $287K | —/— | 853 | 1920 | 0 | |
| 814 N 4TH ST ImprovedBought for $150K in 2007. Owner pulled a sign permit in 2008. | Investor / LLC | $421K | —/— | 1,666 | 1920 | 1 | |
| 816 N 4TH ST ImprovedOwner pulled a addition and/or alteration permit in 2025. | Investor / LLC | $557K | —/— | 3,480 | 1900 | 1 | |
| 817 N 4TH ST New constructionBought for $775K in 2011, built new under a 2010 permit, sold for $1.1M in 2024. | Owner-occupied | $1.1M | 4/3 | 3,340 | 2011 | 4 | |
| 818 N 4TH ST | Absentee individual | $1.5M | 4/3 | 2,989 | 2017 | 0 | abated |
| 818 N 4TH ST | Owner-occupied | $30K | —/— | — | 2017 | 0 | abated |
| 818 N 4TH ST New constructionbuilt new under a 2018 permit (tax-abated), sold for $700K in 2020. | Absentee individual | $874K | 2/2 | 1,582 | 2017 | 1 | abated |
| 818 N 4TH ST | Absentee individual | $892K | 2/2 | 1,597 | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $1.2M | 3/3 | 3,047 | 2017 | 0 | abated |
| 818 N 4TH ST | Investor / LLC | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Investor / LLC | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $804K | 2/2 | 1,480 | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $527K | 2/2 | 1,187 | 2017 | 0 | abated |
| 818 N 4TH ST | Owner-occupied | $30K | —/— | — | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $920K | 2/2 | 1,732 | 2017 | 0 | abated |
| 818 N 4TH ST | Owner-occupied | $30K | —/— | — | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $560K | 2/2 | 1,786 | 2017 | 0 | abated |
| 818 N 4TH ST | Investor / LLC | $497K | 2/2 | 1,080 | 2017 | 0 | abated |
| 818 N 4TH ST New constructionbuilt new under a 2018 permit. | Investor / LLC | $251K | —/— | 1,548 | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $1.5M | 4/3 | 3,088 | 2017 | 0 | abated |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST | Absentee individual | $30K | —/— | — | 2017 | 0 | |
| 818 N 4TH ST New constructionbuilt new under a 2018 permit (tax-abated). | Absentee individual | $1.2M | 4/3 | 2,077 | 2017 | 0 | abated |
| 819 N 4TH ST New constructionBought for $575K in 2010, built new under a 2010 permit, sold for $725K in 2012. | Owner-occupied | $1.0M | 3/3 | 3,340 | 2011 | 2 | |
| 821 N 4TH ST New constructionBought for $575K in 2010, built new under a 2010 permit, sold for $810K in 2018. | Owner-occupied | $1.1M | 3/3 | 3,340 | 2012 | 3 | rented |
| 823 N 4TH ST New constructionBought for $575K in 2010, built new under a 2010 permit, sold for $730K in 2012. | Owner-occupied | $1.1M | 3/— | 3,340 | 2012 | 2 | |
| 825 N 4TH ST ImprovedOwner pulled a plumbing permit in 2017. | Owner-occupied | $336K | —/— | 2,800 | 1935 | 0 | |
| 826 N 4TH ST Torn down & rebuiltdemolished and rebuilt (2025). | Vacant | $411K | —/— | — | — | 1 | tax lien |
| 827 N 4TH ST ImprovedOwner pulled a fast form building permit in 2009. | Owner-occupied | $820K | 4/2 | 2,875 | 1935 | 0 | |
| 828 N 4TH ST New constructionbuilt new under a 2025 permit. | Vacant | $340K | —/— | — | — | 1 | tax lien |
| 829 N 4TH ST ImprovedBought for $205K in 2005. Owner pulled a plumbing permit in 2007. | Owner-occupied | $447K | 3/2 | 1,288 | 1988 | 2 | rented |
| 830 N 4TH ST Torn down & rebuiltdemolished and rebuilt (2025). | Vacant | $339K | —/— | — | — | 1 | tax lien |
| 831 N 4TH ST ImprovedOwner pulled a roof covering replacement permit in 2020. | Owner-occupied | $421K | 3/2 | 1,200 | 1990 | 0 | |
| 832 N 4TH ST ImprovedOwner pulled a use permit in 2016. | Owner-occupied | $394K | —/— | 2,108 | 1920 | 0 | |
| 833 N 4TH ST TradedTraded 2×: $130K in 2001 → $340K in 2007 (+162%). | Investor / LLC | $486K | 2/2 | 1,200 | 1990 | 2 | |
| 834 N 4TH ST | Owner-occupied | $416K | 2/2 | 1,278 | 2015 | 1 | |
| 834 N 4TH ST History2 L&I violations (2017). | Owner-occupied | $428K | 2/1 | 1,313 | 2015 | 0 | |
| 834 N 4TH ST ImprovedOwner pulled a administrative permit in 2016. | Investor / LLC | $392K | —/— | 2,611 | 2015 | 0 | tax lien |
| 834 N 4TH ST HistoryL&I violation (2018). | Owner-occupied | $420K | 2/1 | 1,280 | 2015 | 0 | |
| 835 N 4TH ST Frequently tradedTraded 4×: $6K in 2001 → $300K in 2011 (+4818%). | Owner-occupied | $430K | 2/2 | 1,198 | 1989 | 4 | |
| 836 N 4TH ST New constructionBought for $720K in 2022, built new under a 2022 permit, sold for $2.1M in 2026. | Vacant | $535K | —/— | — | — | 3 | |
| 837 N 4TH ST ImprovedBought for $525K in 2026. Owner pulled a addition and/or alteration permit in 2019. | Owner-occupied | $421K | 2/2 | 1,200 | 1988 | 1 | |
| 839 N 4TH ST ImprovedBought for $172K in 2003. Owner pulled a alteration permit in 2015. | Owner-occupied | $414K | 2/2 | 1,180 | 1988 | 1 | |
| 841 N 4TH ST Frequently tradedTraded 6×: $85K in 2000 → $415K in 2019 (+389%). | Owner-occupied | $487K | 2/2 | 1,202 | 1988 | 6 | |
| 842 N 4TH ST ImprovedOwner pulled a alterations permit in 2026. | Vacant | $526K | —/— | — | — | 0 | |
| 843 N 4TH ST HistoryL&I violation (2012). | Absentee individual | $421K | 3/2 | 1,200 | 1988 | 0 | |
| 844-48 N 4TH ST ImprovedOwner pulled a roof covering replacement permit in 2022. | Owner-occupied | $1.8M | 4/3 | 6,105 | 1920 | 0 | |
| 845 N 4TH ST ImprovedBought for $80K in 2000. Owner pulled a addition and/or alteration permit in 2024. | Owner-occupied | $413K | 3/2 | 1,174 | 1989 | 1 | |
| 847 N 4TH ST | Owner-occupied | $478K | 3/2 | 1,174 | 1988 | 1 | |
| 849 N 4TH ST TradedTraded 2×: $240K in 2005 → $310K in 2016 (+29%). | Owner-occupied | $413K | 2/2 | 1,174 | 1988 | 2 | |
| 850 N 4TH ST New constructionbuilt new under a 2013 permit, sold for $900K in 2025. | Owner-occupied | $866K | 3/3 | 2,395 | 2016 | 1 | tax lien |
| 850 N 4TH ST ImprovedOwner pulled a wall covering replacement permit in 2024. | Owner-occupied | $686K | 3/2 | 2,395 | 2007 | 0 | |
| 850 N 4TH ST ImprovedOwner pulled a alteration permit in 2018. | Owner-occupied | $693K | 3/2 | 2,336 | 2007 | 0 | |
| 850 N 4TH ST ImprovedBought for $685K in 2019. Owner pulled a alteration permit in 2018. | Owner-occupied | $693K | 3/2 | 2,336 | 2007 | 1 | |
| 850 N 4TH ST New constructionbuilt new under a 2013 permit (tax-abated), sold for $750K in 2024. | Absentee individual | $863K | 3/3 | 2,353 | 2016 | 1 | abated |
| 850 N 4TH ST New constructionBought for $875K in 2019, built new under a 2012 permit, sold for $930K in 2025. | Owner-occupied | $912K | 3/2 | 2,540 | 2016 | 2 | |
| 850 N 4TH ST | Owner-occupied | $701K | 3/2 | 2,336 | 2007 | 0 | |
| 850 N 4TH ST New constructionBought for $601K in 2017, built new under a 2013 permit (tax-abated), sold for $775K in 2024. | Owner-occupied | $865K | 3/3 | 2,389 | 2017 | 2 | abated |
| 850 N 4TH ST | Owner-occupied | $693K | 3/2 | 2,336 | 2007 | 0 | |
| 851 N 4TH ST | Owner-occupied | $412K | 2/2 | 1,170 | 1989 | 0 | |
| 853 N 4TH ST HistoryL&I violation (2012); L&I violation (2014); 2 L&I violations (2018); L&I violation (2019). | Absentee individual | $413K | 2/2 | 1,174 | 1988 | 0 | |
| 855 N 4TH ST Frequently tradedTraded 3×: $180K in 2002 → $342K in 2016 (+90%). | Owner-occupied | $420K | 3/2 | 1,198 | 1989 | 3 | |
| 857 N 4TH ST TradedTraded 2×: $189K in 2003 → $342K in 2007 (+81%). | Owner-occupied | $420K | 2/2 | 1,198 | 1988 | 2 | |
| 860 N 4TH ST ImprovedOwner pulled a zoning/use permit in 2015. | Vacant | $247K | —/— | — | — | 0 | |
| 862 N 4TH ST ImprovedOwner pulled a use permit in 2015. | Owner-occupied | $516K | 3/1 | 2,139 | 1920 | 0 | |
| 864 N 4TH ST | Absentee individual | $511K | —/— | 1,911 | 1920 | 0 | |
| 866-68 N 4TH ST ImprovedOwner pulled a addition and/or alteration permit in 2026. | Absentee individual | $1.2M | 4/2 | 3,618 | 1900 | 0 | |
| 870 N 4TH ST | Owner-occupied | $581K | —/— | 2,523 | 1920 | 0 | tax lien |
| 872 N 4TH ST New constructionBought for $265K in 2015, built new under a 2015 permit, sold for $500K in 2019. | Owner-occupied | $517K | 4/3 | 1,605 | 1920 | 2 | |
| 874 N 4TH ST | Absentee individual | $439K | —/— | 1,620 | 1920 | 1 | rented |
| 876 N 4TH ST HistoryL&I violation (2012); sold $298K (2017). | Owner-occupied | $536K | —/— | 2,475 | 1920 | 1 |
Neighborhood
Neighborhood income and demographics are coming soon.
Generated 2026-07-09 from public City of Philadelphia records · Download this block's data (CSV)