Apartment building report

521-31 S Broad St

7 stories · 118,616 sqft · CMX4 · built 2013

Apartment building · 85 units · Broad & South Associate · assessed $25M. On the 500 block of S Broad St.

Property summary

Assessment$25MCity assessed value Last sale$2.5MRecorded 2013 Est. annual tax$343K/yearAssessment × 1.3998% Tax delinquency—Snapshot unavailable Permits8Dated events in report ViolationsNone openNone open when assembled

Report assembled Jul 9, 2026 “Open” reflects records available then historical records keep their source dates estimates are labeled

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Street view of 521-31 S Broad St — From the street — imagery © Google

From above — imagery © Esri, Maxar

What stands out

From the public record

Finding

New construction

Why it matters

built new under a 2019 permit.

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Records to verify together

Rule-based groupings across this property's dated public records. Each flag shows the records that belong in the same verification step and where the inference stops.

Dated record flagRecent transition activity

The property has an unusually active paper trail worth monitoring for the next permit, inspection, deed, or listing.

Evidence: 4 permit events since 2023

Limit: Record activity alone does not establish that a sale or redevelopment is planned.

Transparent record rules, not a score or forecast. Each flag is a prompt to verify the cited records, not a prediction or allegation.

Apartment buildingBuilding report

This is a apartment building, recorded under the city's apartments category. The homeowner tools (rent estimate, homestead playbook) don't apply, so they're hidden. The full record and owner trail are below.

What it is

Apartment building

Apts 51-100 Units Masonry

Owner

Broad & South Associate

Tax standing

Assessed $25M

On the tax roll

$ / sq ft

$207

above the $151 median for 3,983 apartments parcels citywide

Corridor

Broad and South

city commercial corridor

Licensed units

active rental license

Assessed value

$25M

City market value

Interior area

118,616 sqft

Lot size

18,952 sqft

Stories

Built

2013

Zoning

CMX4

Block context

521-31 S Broad St sits on the 500 block of S Broad St. Open the block report to compare its parcels, ownership and public-record history.

See the whole block →

Next door: 509-11 S Broad St · 507 S Broad 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
Tax delinquency snapshot · June 2022 — Real Estate Tax Delinquencies, Dept. of Revenue
Historical tax ledger & liens · through 2016 — Real Estate Tax Balances, Dept. of Revenue
Current property-tax balance — Verify with Philadelphia 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

Available City datasets are queried from OpenDataPhilly (phl.carto.com), then reports are cached and refreshed on a rolling schedule. Source dates vary: the parcel-level tax-delinquency snapshot is June 2022 and the separate detailed tax ledger ends in 2016, so neither establishes today’s balance. Other dossiers re-pull on view once stale, 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.

BlockReport AICited sources

Ask about this commercial property across deeds, permits, violations, dated taxes, ownership, and comparable context. Curated questions are free; ask 3 custom questions per browser. Analyst includes up to 150 custom questions per day.

About this data & fine print

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

For an explicit web search or a current listing/news question, the agent may also search the public web through OpenRouter and must link every web-derived claim. Public listing pages can be stale and are not direct or comprehensive MLS access.

Property-level tax data is historical: the delinquency snapshot is dated June 2022 and the separate detailed ledger ends in 2016. Neither shows what is owed today; verify a current balance with Philadelphia Revenue.

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)