2026 taxable assessment $3,460,900 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $4,769,800; it is not the 2026 billed-year value.
Apartment building report
5231 Oxford Ave
2 stories · 32,040 sqft · CMX2 · built 1961
Apartment building · 50 units · Oxford Apartments LLC & Y2k Abstract Oxford LLC · assessed $3.5M (2026) · 2027 OPA assessment $4.8M. On the 5200 block of Oxford Ave.
BlockReport AI · cited public records
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Property summary
Assessment$3,460,9002026 OPA assessment · 2027: $4,769,800
Last sale$450KRecorded 2025
Est. tax bill$48,446/year2026 taxable assessment × 1.3998%
Tax delinquencyNo 2022 matchNot proof account is current
Permits2Dated events in report
Violations0 openNo historical match in fetched records
“Open” reflects records available then historical records keep their source dates estimates are labeled
Question or correct this record
BlockReport can explain a discrepancy, but it cannot rewrite an official City record. Use the agency that owns the underlying fact:
Property tax
The estimate, live balance, and back-tax record are different.
BlockReport can calculate the annual tax from the City’s taxable assessment. Payments, credits, interest, and a current amount due live separately in Philadelphia Tax Center.
A Tax Center balance is net of bills, payments, credits, interest, and adjustments. A credit—or an amount due—is not automatically “back taxes.”
OPA 8812210002026 taxable assessment equals the full assessed value.
Historical delinquency sources No current conclusion
This parcel did not match the June 2022 delinquency snapshot. That absence does not confirm the account is current today.
For a purchase, refinance, or closing, request the City’s official Property Payoff statement in Tax Center under “More options.”
What stands out
From the public recordImproved
Why it mattersBought for $10M in 2022. Owner pulled a roof covering replacement permit in 2021.
View supporting records →Assessment and sale price disagree hard
Why it mattersAssessed at $4.8M, but it traded for $450,476 in 2025 — a 10.6× gap. Could be a non-market deed the record doesn't label, or an assessment that hasn't caught up.
View supporting records →The property record, over time
Every dated deed, permit, inspection, license, violation, certification, and appeal is placed on the City’s annual assessment line. Select a point to read what happened; the line is an assessment history—not a sale-price chart or appraisal. OPA has also published a 2027 assessment of $4,769,800; it is not yet the billed-year tax basis.
Assessment history · all dated City records marked on the line
- OPA assessment · 2016$1.7M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2017$1.7M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2018$2.1M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2019$2.2M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2020$2.2M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2021$2.2M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2022$2.2M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2023$2.4M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2024$3.8M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2025$3.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2026$3.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2027$4.8M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- Deed / sale · 2022Deed / sale $10MA recorded real-estate document or transfer event. The amount and date can be useful history, but the underlying deed and transfer-tax filing control the parties, consideration, and legal effect.How to read the recorded document ↗
- Deed / sale · 2025Deed / sale $450KA recorded real-estate document or transfer event. The amount and date can be useful history, but the underlying deed and transfer-tax filing control the parties, consideration, and legal effect.How to read the recorded document ↗
Property assessmentAssessmentDeed / sale
Each icon sits on its recorded date; records without a day are labeled and centered within their year. Select one to explain the filing.
Every dated record2 events · exact dates, newest first
- Deed / saleDeed / sale $450K
- Deed / saleDeed / sale $10M
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 5-50 Units Masonry
Owner
Oxford Apartments LLC & Y2k Abstract Oxford LLC
OPA tax treatment
Assessed $3.5M
Taxable assessment on the roll
$ / sq ft
$149
below the $151 median for 3,983 apartments parcels citywide
Licensed units
50
active rental license
Assessed value
$3,460,900
2026 OPA · 2027: $4,769,800
Interior area
32,040 sqft
Lot size
38,000 sqft
Stories
2
Built
1961
Zoning
CMX2
Records behind the chart
Browse the source ledger
The chart above is the primary timeline. This drawer preserves every underlying dated row and its filed status for source-level review.
Browse 2 dated records deeds, permits, inspections, licenses, violations, certifications & appeals
- Recorded transfer$450K transfer
2025
- Recorded transfer$10M transfer
2022
What this record suggests
The dated deed and City-record sequence is assembled below. Read timing as a research lead, not proof of renovation, condition, or motive.
Who's behind it
Oxford Apartments LLC & Y2k Abstract Oxford LLC · corporate / LLC owner
• Owns 3 properties across Philadelphia under this name, assessed at $7.0M combined
• Tax bills mail to 1274 49th St Ste 630, Brooklyn NY, 11219 — outside Philadelphia
• Holds an active rental license for this address
Where the record looks off
Places where the city's own paperwork disagrees with itself. These are flags on the data — not problems with the property.
Assessment and sale price disagree hard
Assessed at $4.8M, but it traded for $450,476 in 2025 — a 10.6× gap. Could be a non-market deed the record doesn't label, or an assessment that hasn't caught up.
Block context
5231 Oxford Ave sits on the 5200 block of Oxford Ave. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 5233 Oxford Ave · 5235 Oxford Ave
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
- Imagery — Street photo © Google · Aerial © Esri, Maxar
Methodology & freshness
This report was assembled Jul 9, 2026, 11:37 PM ET. Available City datasets are queried from OpenDataPhilly (phl.carto.com) and the cited City ArcGIS feeds; record queries paginate rather than silently taking a first page. “Unavailable” means the source query failed or was not supplied, not “no record.” Reports re-pull on view after seven days and on an overnight rolling schedule; citywide benchmarks recompute weekly. Source dates still govern: the parcel-level tax-delinquency snapshot is June 2022 and the separate detailed tax ledger ends in 2016, so neither establishes today’s balance. The live balance and date-effective payoff must be verified in Tax Center. AI-written passages are grounded in the assembled record and rejected if they state a number the record does not hold.
Official city record ↗ · L&I history ↗ · See the whole block · Download this record (JSON)