Multi-family report
1727 Mifflin St
4 bd3 ba3 stories1,992 sqftRM1built 1920
Owner-occupancy signal
Assessment and City record timeline
Published City assessments for this building against its block and ZIP. Dated City filings are marked on the same line. Select one to read it. Assessments are tax-roll values, not sale prices or appraisals.
- OPA assessment · 2016$138K 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$138K 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$138K 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$194K 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$209K 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$209K 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$395K 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$547K 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$547K 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$499K 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$499K 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$504K 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 · 2021Deed / sale $519KA 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 · 2018-01-25UseThis 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 · 2018-06-01Major alterationA broad legacy permit work category for a substantial building alteration. It can include changed layouts, partitions, fixtures, finishes, structural work, or occupancy-related work, but only the approved scope and plans say what this permit actually authorized; separate trade permits may be required.What Philadelphia building permits can cover ↗
- Permit · 2018-08-30AdministrativeThis 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 · 2018-12-04ElectricalThis 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 · 2019-01-30SuppressionThis permit category usually covers fire-suppression systems or related life-safety 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 · 2019-03-04Major alterationA broad legacy permit work category for a substantial building alteration. It can include changed layouts, partitions, fixtures, finishes, structural work, or occupancy-related work, but only the approved scope and plans say what this permit actually authorized; separate trade permits may be required.What Philadelphia building permits can cover ↗
- Permit · 2019-03-04MechanicalThis 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 · 2019-12-10ElectricalThis 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 ↗
- L&I violation · 2016-06-15PERMB- ALTER REPAIR INT PART (Building permit required for interior alteration or repair)Building permit required for interior alteration or repairHow L&I violations and orders work ↗
- L&I violation · 2016-06-15PENALTY- NO BLDG PERM INFOA 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 ↗
- L&I violation · 2016-06-15SWO- CONSTR W/O BLDG PERMIT (Stop-work order for construction without a building permit)Stop-work order for construction without a building permitHow L&I violations and orders work ↗
- L&I violation · 2016-06-15PERMB- INT DEMOL WALLS ETCA 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 · 2016-06-15BP_BLDGA 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 ↗
- L&I violation · 2019-01-24PENALTY- NO PLUMB PERM INFOA 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 ↗
- L&I violation · 2019-01-24WORKMANLIKE- PLUMBING CODEA 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 ↗
- L&I violation · 2019-01-24PERMP- INST NEW PLUMBINGA 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 ↗
- L&I violation · 2019-01-24STOP WORK ORDERA 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 · 2019-01-24BP_BLDGA 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 ↗
- Inspection · 2016-08-13BP_BLDGA 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 ↗
- Inspection · 2017-01-03BP_BLDGA 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 ↗
- Inspection · 2018-01-18PRECOURT (likely: pre-court compliance inspection)A follow-up before or during enforcement escalation; confirm the case sequence in the City file.What Philadelphia inspections check ↗
- Inspection · 2019-03-01BP_BLDGA 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 ↗
- Inspection · 2020-01-17PRECOURT (likely: pre-court compliance inspection)A follow-up before or during enforcement escalation; confirm the case sequence in the City file.What Philadelphia inspections check ↗
- License · 2023-08-16Joseph Switzer: Rental landlord or residential registration initially issuedA 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 · 2024-10-14Joseph Switzer: Rental landlord or residential registration marked inactiveA 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 · 2013-09-05GUY Y ALBALANCY: Rental landlord or residential registration initially issuedA 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 · 2016-04-29GUY Y ALBALANCY: Rental landlord or residential registration marked inactiveA 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 · 2012-08-28D & M FLORIDA INVESTMENT LLC: Rental landlord or residential registration initially issuedA 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 · 2013-02-28D & M FLORIDA INVESTMENT LLC: Rental landlord or residential registration marked inactiveA 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 ↗
- Appeal · 2017-11-08Zoning board appealA challenge or request reviewed through a City appeals process. Filing an appeal does not show who prevailed; read the decision, conditions, and related permit or violation.How Philadelphia L&I appeals work ↗
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.
- LicenseJoseph Switzer: Rental landlord or residential registration marked inactive
- LicenseJoseph Switzer: Rental landlord or residential registration initially issued
- Deed / saleDeed / sale $519K
- InspectionPRECOURT (likely: pre-court compliance inspection)
- PermitElectrical
- PermitMajor alteration
- PermitMechanical
- InspectionBP_BLDG
- PermitSuppression
- L&I violationPENALTY- NO PLUMB PERM INFO
- L&I violationWORKMANLIKE- PLUMBING CODE
- L&I violationPERMP- INST NEW PLUMBING
- L&I violationSTOP WORK ORDER
- InspectionBP_BLDG
- PermitElectrical
- PermitAdministrative
- PermitMajor alteration
- PermitUse
- InspectionPRECOURT (likely: pre-court compliance inspection)
- AppealZoning board appeal
- InspectionBP_BLDG
- InspectionBP_BLDG
- L&I violationPERMB- ALTER REPAIR INT PART (Building permit required for interior alteration or repair)
- L&I violationPENALTY- NO BLDG PERM INFO
- L&I violationSWO- CONSTR W/O BLDG PERMIT (Stop-work order for construction without a building permit)
- L&I violationPERMB- INT DEMOL WALLS ETC
- InspectionBP_BLDG
- LicenseGUY Y ALBALANCY: Rental landlord or residential registration marked inactive
- LicenseGUY Y ALBALANCY: Rental landlord or residential registration initially issued
- LicenseD & M FLORIDA INVESTMENT LLC: Rental landlord or residential registration marked inactive
- LicenseD & M FLORIDA INVESTMENT LLC: Rental landlord or residential registration initially issued
Flags: material assessment exemption; legal basis and term unverified · 1 zoning/board appeal on record. Informational only. Not investment advice or a consumer report (FCRA).
Verify the public record
Property tax
$3,709/year estimated property tax
2026 taxable assessment $264,988 × 1.3998%. This is an estimate, not a bill or account balance. The City maintains payments, credits, interest, and the current amount due.
OPA has published a 2027 assessment of $504,100. It is not the 2026 billed-year value.
Payments, credits, interest, and the current amount due are maintained by the City.
OPA 4810540002026 OPA taxes $264,988 of $499,300 assessed. The assessment fields alone do not identify a program, approval date, expiration, or buyer eligibility.
See the assessment math →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.”
The assessment exemption gap
OPA's 2026 roll shows a partial assessment exemption. The annual difference is measurable; the reason for it and what happens after a sale are not established here.
$264,988 taxable basis
$499,300 scenario basis
- Legal basis or program
- Approval or expiration date
- Treatment after a sale
- Current Tax Center balance
Show the assessment math
2026: ($499,300 assessed − $234,312 exempt) × 1.3998% ≈ $3,709/year
Full-assessment scenario: $499,300 × 1.3998% ≈ $6,989/year
Do not treat the full-assessment scenario as inevitable or assume the current relief transfers. Obtain the approval history and verify the live Tax Center account before relying on either number.
The property, on paper
OPA physical field record.
OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.
Block context
1700 block of Mifflin St. Compare parcels, ownership, and public-record history.
See the whole block →Next door: 1725 Mifflin St · 1729 Mifflin St
L&I license dates · data through Jul 25, 2026
Business licenses at this address Latest pull
What L&I has registered at this OPA parcel, newest initial license date first.
No L&I business license is on record at this address in data through Jul 25, 2026.
Landlord and residential filings
These are property registrations or landlord filings, not businesses operating at this address.
Rental · Initial issue date Aug 16, 2023 · Terminal license date Oct 14, 2024
Rental · Initial issue date Sep 5, 2013 · Terminal license date Apr 29, 2016
Rental · Initial issue date Aug 28, 2012 · Terminal license date Feb 28, 2013
A license is an L&I registration, not proof that a business is open, operating today, or located at this storefront. Dates are license dates. Events are deduped by parcel, business identity, and license type, so a renewal is not shown as another opening. Other permit and filing types remain in the full source ledger.
Open every source row 31 dated rows
- License terminal eventJoseph Switzer: Rental landlord or residential registration marked inactive
License 931011 · Inactive
License event. Registration does not prove present operation or storefront occupancy.
- License issue eventJoseph Switzer: Rental landlord or residential registration initially issued
License 931011 · Inactive
License event. Registration does not prove present operation or storefront occupancy.
- Recorded transfer$519K transfer
2021
- InvestigationPRECOURT (likely: pre-court compliance inspection)
Case 539365 · PASSED
A follow-up before or during enforcement escalation; confirm the case sequence in the City file. The cited inspection visit was marked passed.
- PermitElectrical
Permit 1025835 · COMPLETED
INSTALL NEW FIRE ALARM SYSTEM AS PER ENGINEERING DRAWING, NEC 2008 AND 2007 NFPA 72 (SOUTH DIST)
- PermitMajor alteration
Permit 954050 · COMPLETED
LEVEL 2 ALTERATION TO COMPLIMENT PREVIOUS PERMITS 869782 & 895218 TO RENOVATE KITCHENS & BATHROOM CABINETS AND FINISHES IMPROVE CODE COMPLIANT FIRE RATED ASSEMBLEES BY LAMINATING 5/8 FR DRYWALL TO 1ST AND 2ND FLOOR CEILINGS AND STAIRWELL WALLS REPLACE MISC WINDOWS WITH SAME SIZE AS PER EZ STANDARD LIMITED COMMERCIAL ALTERATIONS & REPAIRS INFO-
- PermitMechanical
Permit 954055 · COMPLETED
INSTALL 3 NEW HVAC SYSTEMS EACH SYSTEM COMPLETELY WITHIN THE UNIT AS FOLLOWS: UNIT 1 (BSTM & 1ST FLOOR) 80%-60K &1.5T AC / UNIT 2 REAR MINISPLIT UNIT 3 (2ND FRT AND 3RD FLOOR FRONT 90%- 70K & 1.5T AC OUTDOOR UNITS IN REAR YARD. INSTALLED AS PER MANUFACTURER'S INSTRUCTIONS, FUEL GAS CODE AND EZ STANDARDS CONTRACTOR RESPONISBLE FOR CONDITION AND CAPACITY OF MASONRY CHIMNEY CELLER HAS ALL 3 EXT'G HOT WATER HEATERS
- InvestigationBP_BLDG
Case 671595 · PASSED
The cited inspection visit was marked passed.
- PermitSuppression
Permit 940658 · COMPLETED
FOR THE INSTALLATION OF A TWO (2) INCH FIRE SERVICE LINE WITH A TWO (2) INCH BACKFLOW PREVENTER AND AUTOMATIC FIRE SUPPRESSION SYSTEM AS PER NFPA 13 AND NFPA 13R. ALL WORK SHALL BE DONE IN ACCORDANCE WITH APPROVED PLANS/HYDRAULIC CALCULATIONS.
- ViolationPENALTY- NO PLUMB PERM INFO
Case 671595 · Violation 4934283 · Code A-901.13/3 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationWORKMANLIKE- PLUMBING CODE
Case 671595 · Violation 4934280 · Code A-104.1/4 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationPERMP- INST NEW PLUMBING
Case 671595 · Violation 4934281 · Code A-301.1/54 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationSTOP WORK ORDER
Case 671595 · Violation 4934282 · Code A-504.1/1 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationBP_BLDG
Case 671595 · FAILED
The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- PermitElectrical
Permit 932343 · COMPLETED
INSTALL 200AMP SERVICE WITH 4-GANG METER SOCKET, HOUSE PANEL 60AMP AND 3-100AMP SUB PANEL AND PUT HALLWAY LIGHTS ON HOUSE PANEL AS PER NEC 2008 SOUTH DISTRICT
- PermitAdministrative
Permit 895218 · COMPLETED
FOR THE AMENDMENT OF PREVIOUSLY APPROVED BUILDING PERMIT #869782 TO INCLUDE THE INTERIOR RENOVATION OF THE EXISTING RESIDENTIAL UNITS. NO CHANGE TO BUILDING HEIGHT OR AREA. ORIGINAL PERMIT APPROVED FOR LEVEL II ALTERATIONS TO INCLUDE INTERIOR FIT OUT OF A PREVIOUSLY VACANT UNIT INTO A RESIDENTIAL UNIT WITHIN AN EXISTING STRUCTURE, CHANGING THE OCCUPANCY FROM AN R-3 TO AN R-2 OCCUPANCY. BUILDING TO BE FULLY SPRINKLERED. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN PROFESSIONAL PRIOR TO THE START OF ANY WORK. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK.
- PermitMajor alteration
Permit 869782 · COMPLETED
FOR LEVEL II ALTERATIONS TO INCLUDE INTERIOR FIT OUT OF A PREVIOUSLY VACANT UNIT INTO A RESIDENTIAL UNIT WITHIN AN EXISTING STRUCTURE, CHANGING THE OCCUPANCY FROM AN R-3 TO AN R-2 OCCUPANCY. BUILDING TO BE FULLY SPRINKLERED. ALL WORK TO BE DONE PER APPROVED PLANS. IF FIELD CONDITIONS VARY CONTACT DESIGN PROFESSIONAL PRIOR TO THE START OF ANY WORK. SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK.
- PermitUse
Permit 807744 · COMPLETED
APPLICATION FOR LEGALIZATION OF AN EXISTING (3) THREE FAMILY DWELLING AT THE PROPERTY. THE PROPERTY IS LOCATED IN THE RM-1 ZONING DISTRICT AND IS APPROVED FOR A TWO-FAMILY DWELLING PER ZONING USE PERMIT NO. 160599.
- InvestigationPRECOURT (likely: pre-court compliance inspection)
Case 539365 · FAILED
A follow-up before or during enforcement escalation; confirm the case sequence in the City file. The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- AppealZoning board appeal
Appeal 31770 · OPEN · Granted
Related permit 807744 · PERMIT FOR AN INCREASE FROM TWO (2) FAMILY HOUSEHOLD LIVING TO THREE (3) FAMILY HOUSEHOLD LIVING (MULTI-FAMILY) IN AN EXISTING STRUCTURE
- InvestigationBP_BLDG
Case 539365 · CLOSED
City marked the record closed; open the case for the closing reason.
- InvestigationBP_BLDG
Case 539365 · FAILED
The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- ViolationPERMB- ALTER REPAIR INT PART (Building permit required for interior alteration or repair)
Case 539365 · Violation 4562526 · Code A-301.1/4 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationPENALTY- NO BLDG PERM INFO
Case 539365 · Violation 4562529 · Code A-901.13/1 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationSWO- CONSTR W/O BLDG PERMIT (Stop-work order for construction without a building permit)
Case 539365 · Violation 4562528 · Code A-504.1/3 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationPERMB- INT DEMOL WALLS ETC
Case 539365 · Violation 4562527 · Code A-301.1/7 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationBP_BLDG
Case 539365 · FAILED
The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- License terminal eventGUY Y ALBALANCY: Rental landlord or residential registration marked inactive
License 604462 · Inactive
License event. Registration does not prove present operation or storefront occupancy.
- License issue eventGUY Y ALBALANCY: Rental landlord or residential registration initially issued
License 604462 · Inactive
License event. Registration does not prove present operation or storefront occupancy.
- License terminal eventD & M FLORIDA INVESTMENT LLC: Rental landlord or residential registration marked inactive
License 572460 · Inactive
License event. Registration does not prove present operation or storefront occupancy.
- License issue eventD & M FLORIDA INVESTMENT LLC: Rental landlord or residential registration initially issued
License 572460 · Inactive
License event. Registration does not prove present operation or storefront occupancy.
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 26, 2026, 12:53 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)
