2026 taxable assessment $0 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $2,958,100; it is not the 2026 billed-year value.
Property report
423-39 Lombard St
6,000 sqft · RM1 · built 1943
Museum · Presbyterian Historical & Society · fully tax-exempt (2026 OPA). On the 400 block of Lombard St.
BlockReport AI · cited public records
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Property summary
Assessment$2,958,1002026 OPA assessment · 2027: $2,958,100
Last sale—No sale value available
Est. tax bill$0/year2026 OPA · full assessment exemption shown
Tax delinquencyNo 2022 matchNot proof account is current
Permits6Every fetched City permit
Violations0 openNo historical match in fetched records
“Open” reflects records available then historical records keep their source dates estimates are labeled
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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 7717420002026 OPA shows a zero or de minimis taxable assessment. The open assessment split does not establish the exemption's legal basis, continuing eligibility, or treatment after a transfer.
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 recordPermit on record
Record summaryAddition and/or Alteration permit recorded in 2025.
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 $2,958,100; it is not yet the billed-year tax basis.
Assessment history · all dated City records marked on the line
- OPA assessment · 2016$2.8M 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 · 2017$2.8M 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 · 2018$3.0M 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$3.0M 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$3.0M 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$3.0M 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$3.0M 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$3.0M 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$3.0M 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$3.0M 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$3.0M 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$3.0M 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 ↗
- Permit · 2011-04-13AlterationThis permit category usually covers construction, repair, alteration, addition, or occupancy 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 · 2012-11-09ElectricalThis permit category usually covers electrical installation, alteration, replacement, or repair. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- Permit · 2014-11-13UseThis 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 · 2022-12-08Roof Covering ReplacementThis permit category usually covers construction, repair, alteration, addition, or occupancy 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 · 2023-09-12Addition and/or AlterationThis permit category usually covers construction, repair, alteration, addition, or occupancy 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 · 2025-12-10Addition and/or AlterationThis permit category usually covers construction, repair, alteration, addition, or occupancy work. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- License · 2017-03-22Small Games Of ChanceA 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 assessmentAssessmentPermitLicense
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 record7 events · exact dates, newest first
- PermitAddition and/or Alteration
- PermitAddition and/or Alteration
- PermitRoof Covering Replacement
- LicenseSmall Games Of Chance
- PermitUse
- PermitElectrical
- PermitAlteration
Not a houseProperty report
This is a museum, not a home, and OPA shows a full or near-full assessment exemption whose basis must be verified. A $0 assessment-based tax estimate does not prove the live Tax Center account has no prior-period balance or other charges. Homeowner investment tools are hidden; the assembled public-source record remains below.
What it is
Museum
Misc Museum Masonry
Owner
Presbyterian Historical & Society
Public / institutional
OPA tax treatment
Full assessment exemption shown
2026 OPA taxable assessment $0 · basis and live balance require separate verification
$ / sq ft
$493
above the $130 median for 12,035 commercial parcels citywide
Corridor
South Street/Front-8th
city commercial corridor
Assessed value
$2,958,100
2026 OPA · 2027: $2,958,100
Interior area
6,000 sqft
Lot size
25,300 sqft
Built
1943
Zoning
RM1
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 7 dated records deeds, permits, inspections, licenses, violations, certifications & appeals
- PermitAddition and/or Alteration
Permit CP-2025-004684 · Issued
FOR LEVEL I ALTERATIONS TO A EXISTING PIERS. ALTERATIONS TO INCLUDE THE REPLACEMENT OF EXISTING PIERS. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF ANY WORK. SEPARATE PERMITS TO BE OBTAINED FOR ALL OTHER WORK.
- PermitAddition and/or Alteration
Permit RP-2023-008946 · Expired
FOR LEVEL 1 ALTERATIONS TO RESTORE HISTORICAL PROPERTY AS PER PLANS.
- PermitRoof Covering Replacement
Permit GM-2022-010341 · Expired
**Existing Philadelphia Historic Property** For repair / replacement of roof covering(s) on existing roof(s) in accordance with the attached EZ Permit Re-Roofing Standard. Failure to comply with the attached EZ Permit Re-Roofing Standard shall result in revocation of this permit. Replace upper flat roof with GAF Everguard TPO
- LicenseSmall Games Of Chance
License 732447 · Inactive
PRESBYTERIAN HISTORICAL · Expires 2018-03-21 · Inactive 2018-05-20
- PermitUse
Permit 573776 · COMPLETED
DOCUMENTATION OF THE REGISTERED USE OF AN EXISTING STRUCTURE BEING DEEMED A PERMITTED USE WITH THE CURRENT ZONING DISTRICT (RM-1). NO WORK OR CHANGE IS SOUGHT WITH THIS APPLICATION.
- PermitElectrical
Permit 434669 · COMPLETED
INSTALL LOW VOLTAGE BURGLAR ALARM SYSTEM AND CAMERAS IN ACCORDANCE WITH 2008 NEC. CUST#080-14664-11(HISTORICAL SOCIETY)(SOUTH DIST)
- PermitAlteration
Permit 335536 · COMPLETED
ROOF RECOVERING, EPDM SYSTEM(COMMERCIAL)
What this record suggests
The City file documents 6 permits touching electrical work, roof work. 4 carries a completed, issued, or approved status; that documents the filing, not the present quality of the work.
Who's behind it
Presbyterian Historical & Society · corporate / LLC owner
• Tax bills mail to 423-39 Lombard St, Philadelphia PA, 19147
Block context
423-39 Lombard St sits on the 400 block of Lombard St. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 401 Lombard St · 426 Lombard 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
- Imagery — Street photo © Google · Aerial © Esri, Maxar
Methodology & freshness
This report was assembled Jul 11, 2026, 1:35 AM 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)