2026 taxable assessment $133,600 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $159,500; it is not the 2026 billed-year value.
Mixed-use report
4091 Lancaster Ave
3,128 sqft · CMX2 · built 1915
Owner-occupancy signal · assessed $134K (2026) · 2027 OPA assessment $160K · sold 1×. On the 4000 block of Lancaster Ave.
BlockReport AI · cited public records
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Property summary
Assessment$133,6002026 OPA assessment · 2027: $159,500
Last sale$150KRecorded 2015
Est. tax bill$1,870/year2026 taxable assessment × 1.3998%
Tax delinquency$200City snapshot · Jun 2022
Permits3Every fetched City permit
Violations1 open1 historical across 1 case
“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 8710663502026 taxable assessment equals the full assessed value.
Historical delinquency sources Record found
$199.97 was recorded for this parcel in Philadelphia's June 2022 delinquency snapshot for 2019–2021. That amount may have been paid, reduced, or increased since; it is not a current payoff figure.
$0.00 principal$0.00 interest$0.00 penalty$199.97 other charges
The snapshot’s 2022 context used $119,500 total assessment, $119,500 taxable, and $0 exempt/abated. Those historical fields can differ from today’s OPA exemption status.
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 recordPermit on record
Record summary$150K transfer recorded in 2015. Change of Use permit recorded in 2020.
View supporting records →What to do with this
The record, translated into moves — what a buyer, the owner, and a landlord would each want to check next under Philadelphia's actual rules.
If you’re buying
Built 1915: lead rules apply
Federal law requires a lead-paint disclosure at sale for any pre-1978 home. If it will be rented, Philadelphia also requires a lead-safe or lead-free certificate before a rental license can issue.
If you own it
$1,399/yr may be unclaimed
This home reads owner-occupied but shows no Homestead Exemption, which removes $100,000 from the taxable assessment (worth up to $1,399/yr). Applying through the City is free and takes minutes.
1 open violation: the clock matters
Most L&I appeals must be filed within 30 days; unsafe or imminently dangerous orders can carry a shorter deadline. Unresolved notices can lead to fees, court enforcement, City abatement work, and liens. Read the dated notice and verify its current status with L&I.
$200 in the June 2022 delinquency snapshot
The City recorded this amount in June 2022. It may since have been paid, reduced, or increased; verify the current balance directly with Philadelphia Revenue.
Derived from the fetched property records and linked City guidance as of 2026. Assessment treatment is not a substitute for an exemption approval, live balance, title report, license, occupancy certificate, or inspection. Informational only — not legal, tax, or investment advice.
Assessment and tax history
Every fetched annual City assessment for this building, compared with its block and ZIP. The figures show assessment change, the billed-year tax estimate, dated tax records, and recorded transfers. They do not estimate market appreciation or investment return.
Assessed value
$133,600
2026 billed-year assessment · 2027: $159,500 · built 1915
Price / sq ft
$51
Assessment change
-15%
-1%/yr since 2016 · 2027 +19% vs 2026
Est. tax bill / yr
$1,870
1.4% effective
Jun 2022 tax snapshot
$200
recorded then · verify current
Times sold
1
Assessment vs. the block and ZIP · every dated City record marked on the line
- OPA assessment · 2016$188K 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$188K 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$115K 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$118K 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$120K 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$120K 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$120K 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$103K 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$103K 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$134K 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$134K 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$160K 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 · 2015Deed / sale $150KA 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 ↗
- Permit · 2007-12-18PlumbingThis permit category usually covers water, drainage, fixtures, or other plumbing work. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- Permit · 2015-07-09UseThis permit category usually covers the property’s allowed use, dimensions, occupancy, or site configuration. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- Permit · 2020-12-24Change of UseThis permit category usually covers the property’s allowed use, dimensions, occupancy, or site configuration. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- L&I violation · 2025-05-09NO ZONING/USE REG/COA dated L&I enforcement row. Read the cited code, required correction, status, and later inspections together; the title alone does not establish the property’s current condition.How L&I violations and orders work ↗
- Inspection · 2006-10-10BC INSP (likely: building-code inspection)Legacy inspection shorthand; confirm the inspection type and scope in the City case file.What Philadelphia inspections check ↗
- Inspection · 2011-01-07BC INSP (likely: building-code inspection)Legacy inspection shorthand; confirm the inspection type and scope in the City case file.What Philadelphia inspections check ↗
- Inspection · 2025-11-19L&I investigationA dated L&I visit or review. Its type describes the inspection program; the separate result and later rows show whether that visit passed, failed, or led to follow-up.What Philadelphia inspections check ↗
- License · 2008-02-11Food Preparing and ServingA City license record tied to an activity or property use. Its issue, expiration, inactive, and status fields—not the category alone—show what was recorded for this date.Philadelphia L&I licenses and property records ↗
- License · 2010-09-20Food Preparing and ServingA City license record tied to an activity or property use. Its issue, expiration, inactive, and status fields—not the category alone—show what was recorded for this date.Philadelphia L&I licenses and property records ↗
- License · 2023-10-14Food Establishment, Retail Permanent LocationA City license record tied to an activity or property use. Its issue, expiration, inactive, and status fields—not the category alone—show what was recorded for this date.Philadelphia L&I licenses and property records ↗
Property assessmentBlock median & rangeZIP 19104 medianAssessmentDeed / saleL&I violationPermitInspectionLicense
Scroll horizontally to move through the years. Each icon sits on its recorded date; records without a day are labeled and centered within their year. Select one to explain the filing.
Highlight
Every dated record11 events · exact dates, newest first
- InspectionL&I investigation
- L&I violationNO ZONING/USE REG/CO
- LicenseFood Establishment, Retail Permanent Location
- PermitChange of Use
- PermitUse
- Deed / saleDeed / sale $150K
- InspectionBC INSP (likely: building-code inspection)
- LicenseFood Preparing and Serving
- LicenseFood Preparing and Serving
- PermitPlumbing
- InspectionBC INSP (likely: building-code inspection)
The paper trail
Permit on record$150K transfer recorded in 2015. Change of Use permit recorded in 2020.
- 2006 Inspection failed ×2L&I visit
- 2007 PlumbingPermit
- 2011 Inspection passedL&I visit
- 2015 UsePermit$150KTransfer
- 2020 Change of UsePermit
- 2025 L&I violationL&IInspection failed ×2L&I visit
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 11 dated records deeds, permits, inspections, licenses, violations, certifications & appeals
- InvestigationL&I investigation
Case CF-2025-040224 · FAILED
The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- ViolationNO ZONING/USE REG/CO
Case CF-2025-040224 · Violation VI-2025-030357 · Code A-505.1/1 · OPEN
- LicenseFood Establishment, Retail Permanent Location
License 935621 · Inactive
OB MARKET INC · Expires 2025-10-13 · Inactive 2025-12-12
- PermitChange of Use
Permit ZP-2020-009574 · Issued
Retail Sales - Food, Beverages, and Groceries
- PermitUse
Permit 623293 · COMPLETED
FOR PERSONAL SERVICES (NAIL SALON) ON FIRST FLOOR AND ABOVE TWO FAMILY DWELLING IN AN EXISTING STRUCTURE. NO SIGN ON THIS PERMIT.
- Recorded transfer$150K transfer
2015
- InvestigationBC INSP (likely: building-code inspection)
Case 82124 · PASSED
Legacy inspection shorthand; confirm the inspection type and scope in the City case file. The cited inspection visit was marked passed.
- LicenseFood Preparing and Serving
License 514971 · Inactive
CLARKE A HOPETON (IRIE CARIBBEAN RESTAURANT) · Expires 2013-04-30 · Inactive 2012-09-27
- LicenseFood Preparing and Serving
License 435269 · Inactive
WILLIAM REID (BRO REID & MAMA KITCHEN FOOD) · Expires 2009-04-30 · Inactive 2010-09-20
- PermitPlumbing
Permit 122434 · COMPLETED
BACKFLOW PREVENTOR
- InvestigationBC INSP (likely: building-code inspection)
Case 82124 · FAILED
Legacy inspection shorthand; confirm the inspection type and scope in the City case file. The cited inspection visit was marked failed; later rows may show follow-up or resolution.
What this record suggests
The City file documents 3 permits touching plumbing. 3 carries a completed, issued, or approved status; that documents the filing, not the present quality of the work.
Flags: 1 open L&I violation · $200 recorded in the June 2022 delinquency snapshot — verify current balance. Informational only — not investment advice or a consumer report (FCRA).
The property, on paper
The city assessor's field record — the physical spec sheet behind the assessed number.
Interior
3,128 sqft
livable area
Lot
1,600 sqft
Exterior condition
Below average
city code 5
Above averageBelow average
Interior condition
Below average
city code 5
Above averageBelow average
Quality grade
C
assessor's grade
ABCDE
Zoning
CMX2
city zoning code
OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.
Run the numbers
What owning 4091 Lancaster Ave takes, at your price and your rate. Taxes start with an annual estimate from the City’s taxable assessment, not a current bill or balance; rent starts at the area median. Assessed value is not an asking price — set the price slider to the real one.
Mortgage
—
P&I · 30-yr fixed
All-in monthly
—
+ taxes & insurance
Estimated cash needed
—
down + 4% planning allowance
Modeled cash flow
—
rent − shown costs · /mo
Modeled cap rate
—
modeled NOI ÷ price
Modeled cash-on-cash
—
modeled year-1 return
Scenario for orientation, not advice. Assumes a 30-year fixed loan, $1,400/yr insurance, 1% of price/yr maintenance, and buyer cash equal to the down payment plus 4%. Taxes use this parcel's taxable assessment, not a live Tax Center balance. Cash flow and returns exclude vacancy, management, utilities, HOA or condo fees, leasing costs, income tax, and unplanned capital work.
Block context
4091 Lancaster Ave sits on the 4000 block of Lancaster Ave. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 4089 Lancaster Ave · 4093 Lancaster 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
- Imagery — Street photo © Google · Aerial © Esri, Maxar
Methodology & freshness
This report was assembled Jul 10, 2026, 10:22 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. For this property: Permits: queried · Violations: queried · Investigations: queried · Appeals: queried · Licenses: queried · Building certifications: queried. “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)