Land report

4004r J St

Vacant lot · John J Zarzycki & Joan L H/W · assessed $12K. On the 4000 block of J St.

From above — imagery © Esri, Maxar

Property summary

Assessment$12KCity assessed value Last sale—No sale value available Est. taxes$165/yearAnnual city record Permits—Record unavailable ViolationsNone openNo open L&I cases

Vacant landLand report

An empty lot: no building, just the land and its paper trail. The homeowner tools don't apply; the deed history, owner and zoning are below, and the analyst can trace what the owner holds citywide.

$801 back taxes tax lien

What it is

Vacant lot

Vacant Land Reside < Acre

Owner

Zarzycki John J

Tax standing

Assessed $12K

On the tax roll

Assessed value

$12K

City market value

Lot size

263 sqft

Zoning

RSA5

Block context

4004r J St sits on the 4000 block of J St. Open the block report to compare its parcels, ownership and public-record history.

See the whole block →

Next door: 4004 J St · 4002 J St

Where this comes from

Assessment, spec sheet & owner — OPA Property Assessments, Office of Property Assessment
Sales & deed history — Realty Transfer Tax records, Recorder of Deeds
Permits, violations & inspections — L&I Property History · Atlas
Back taxes & liens — Real Estate Tax Balances, Dept. of Revenue
Zoning appeals — L&I & Zoning Board appeals
Neighborhood income & rents — US Census ACS 5-year estimates
Historical mortgage rates — Freddie Mac Primary Mortgage Market Survey, annual averages

Methodology & freshness

City datasets are fetched live from OpenDataPhilly (phl.carto.com) and cached briefly. Dossiers re-pull automatically — on view once they're a few weeks old, plus a nightly rolling sweep — and citywide benchmarks recompute weekly. AI-written passages are generated from these records only and rejected if they state a number the record doesn't hold.

Ask the recordCited city records | AI-assisted

Ask a cited due-diligence question about this property. BlockReport connects the public record - deeds, permits, violations, taxes, ownership, and comparable context - then explains what matters. Try 3 deep research questions with no card or account required.

About this data & fine print

Answers are generated by an AI agent querying City of Philadelphia open data at the moment you ask: OPA property assessments, Recorder of Deeds transfer records, L&I permits, violations & licenses, Dept. of Revenue tax balances, Zoning Board appeals, Police incident reports, Philly311 requests, and School District of Philadelphia catchment and school data.

City data is published as-is and can lag, contain errors, or be corrected later; school performance datasets run years behind and are labeled with their school year. AI answers can contain mistakes — verify anything that matters against the official record (property.phila.gov, atlas.phila.gov) before acting on it.

Informational only. Not legal, financial, or investment advice. Not a consumer report under the FCRA — it may not be used to decide anyone's eligibility for housing, tenancy, employment, credit, or insurance.

Official city record ↗ · L&I history ↗ · See the whole block · Download this record (JSON)

4004r J St

Property summary

Block context

Where this comes from

This is 4004r J St,
on paper.

The whole record is free.

What to catch on the way down.