Multi-family report

2017 N 20th St

1,903 sqftRSA5built 1915

Property at a glanceApartment building

Individual, other or unknown mailing address

2026 assessment
$441K OPA value, not a listing price
From above · selected parcel outlined; choose a neighboring polygon to open it — imagery © Esri, Maxar

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.

$0$250K$500KZIP 19121 (Brewerytown · Sharswood) median$403K200720112015201920232027
Property assessmentBlock median & rangeZIP 19121 (Brewerytown · Sharswood) medianAssessmentDeed / saleL&I violationAppealPermitInspectionLicense

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 record30 events · exact dates, newest first
  1. LicenseAlion Investments: Rental landlord or residential registration marked expired
  2. LicenseAlion Investments: Rental landlord or residential registration initially issued
  3. Deed / saleDeed / sale $340K
  4. LicenseTony Xin Zheng: Rental landlord or residential registration marked inactive
  5. InspectionL&I investigation
  6. InspectionL&I investigation
  7. L&I violationNEW USE
  8. L&I violationCLEARANCE IGNITION SOURCES
  9. L&I violationCERTIFICATION
  10. InspectionL&I investigation
  11. License3027 DARIEN STREET LLC: Rental landlord or residential registration marked inactive
  12. LicenseTony Xin Zheng: Rental landlord or residential registration initially issued
  13. Deed / saleDeed / sale $350K
  14. License3027 DARIEN STREET LLC: Rental landlord or residential registration initially issued
  15. PermitElectrical
  16. PermitMechanical
  17. PermitPlumbing
  18. PermitAddition
  19. PermitZoning/use
  20. AppealZoning board appeal
  21. PermitDemolition
  22. InspectionHCEU INSP (Housing Code Enforcement Unit inspection)
  23. InspectionHCEU INSP (Housing Code Enforcement Unit inspection)
  24. L&I violationEXT A-CLEAN WEEDS/PLANTS (Cut or remove weeds and overgrowth from the exterior area)
  25. L&I violationEXT A-CLEAN/EXTERMINATE (Clean the exterior area and address pests)
  26. InspectionHCEU INSP (Housing Code Enforcement Unit inspection)
  27. L&I violationVACANT PROP STANDARD (likely: vacant-property enforcement standard)
  28. L&I violationLICENSE-VAC RES BLDG (vacant residential building license required)
  29. L&I violationPROSEC- STD INFO (likely: Standard enforcement or prosecution notice)
  30. InspectionHCEU INSP (Housing Code Enforcement Unit inspection)

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

$1,431/year estimated property tax

2026 taxable assessment $102,208 × 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 $402,600. It is not the 2026 billed-year value.

Current City balanceCheck Tax Center

Payments, credits, interest, and the current amount due are maintained by the City.

OPA 321287300
Open Philadelphia Tax Center →Use “View period balance” to inspect each tax year.
Exemption classificationPartial assessment exemption, basis unverified

2026 OPA taxes $102,208 of $440,800 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.

Using OPA's taxable amount ~$1,431/year

$102,208 taxable basis

Difference to verify+$4,739/year
If the full assessment were taxable ~$6,170/year

$440,800 scenario basis

The assessment roll does not identify
  • Legal basis or program
  • Approval or expiration date
  • Treatment after a sale
  • Current Tax Center balance
Show the assessment math 2026: ($440,800 assessed − $338,592 exempt) × 1.3998% ≈ $1,431/year Full-assessment scenario: $440,800 × 1.3998% ≈ $6,170/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.

Interior
1,903 sqft livable area
Lot
1,029 sqft
Central air
Yes
Exterior condition
New / rehabbed city code 2
New / rehabbed
Interior condition
New / rehabbed city code 2
New / rehabbed
Quality grade
C+ assessor's grade
Zoning
RSA5 city zoning code
Zoning appeals
1 CLOSED · Granted with conditions · 2016

OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.

Block context

2000 block of N 20th St. Compare parcels, ownership, and public-record history.

See the whole block →

Next door: 2015 N 20th St  ·  2019 N 20th St

Business licenses at this address Latest pull

What L&I has registered at this OPA parcel, newest initial license date first.

Open the City record ↗

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.

Alion InvestmentsExpired

Rental · Initial issue date Jul 9, 2025 · Terminal license date Jul 8, 2026

Tony Xin ZhengInactive

Rental · Initial issue date Oct 25, 2019 · Terminal license date Dec 23, 2024

3027 DARIEN STREET LLCInactive

Rental · Initial issue date Dec 19, 2018 · Terminal license date Feb 16, 2020

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 30 dated rows
  1. License terminal eventAlion Investments: Rental landlord or residential registration marked expired

    License 0983424 · Expired

    License event. Registration does not prove present operation or storefront occupancy.

  2. License issue eventAlion Investments: Rental landlord or residential registration initially issued

    License 0983424 · Expired

    License event. Registration does not prove present operation or storefront occupancy.

  3. Recorded transfer$340K transfer

    2025

  4. License terminal eventTony Xin Zheng: Rental landlord or residential registration marked inactive

    License 827569 · Inactive

    License event. Registration does not prove present operation or storefront occupancy.

  5. InvestigationL&I investigation

    Case CF-2021-014425 · PASSED

    The cited inspection visit was marked passed.

  6. InvestigationL&I investigation

    Case CF-2021-014425 · FAILED

    The cited inspection visit was marked failed; later rows may show follow-up or resolution.

  7. ViolationNEW USE

    Case CF-2021-014425 · Violation VI-2021-011202 · Code A-301.1/65 · COMPLIED

    Resolution: COMPLIED - OWNER REPAIR City marked this violation complied with; check the resolution date and live case for what was accepted.

  8. ViolationCLEARANCE IGNITION SOURCES

    Case CF-2021-014425 · Violation VI-2021-011203 · Code FC-13-305.1 · COMPLIED

    Resolution: COMPLIED - OWNER REPAIR City marked this violation complied with; check the resolution date and live case for what was accepted.

  9. ViolationCERTIFICATION

    Case CF-2021-014425 · Violation VI-2021-011204 · Code FC-13-915 · COMPLIED

    Resolution: COMPLIED - LICENSE/CERTIFICATE/REPORT OBTAINED City marked this violation complied with; check the resolution date and live case for what was accepted.

  10. InvestigationL&I investigation

    Case CF-2021-014425 · FAILED

    The cited inspection visit was marked failed; later rows may show follow-up or resolution.

  11. License terminal event3027 DARIEN STREET LLC: Rental landlord or residential registration marked inactive

    License 797479 · Inactive

    License event. Registration does not prove present operation or storefront occupancy.

  12. License issue eventTony Xin Zheng: Rental landlord or residential registration initially issued

    License 827569 · Inactive

    License event. Registration does not prove present operation or storefront occupancy.

  13. Recorded transfer$350K transfer

    2019

  14. License issue event3027 DARIEN STREET LLC: Rental landlord or residential registration initially issued

    License 797479 · Inactive

    License event. Registration does not prove present operation or storefront occupancy.

  15. PermitElectrical

    Permit 776184 · COMPLETED

    INSTALL 200AMP SERVICE,3 GANG METER AND TOTAL REWIRE WITH RECEPTS,SWITCHES,LIGHTS,FIXTURES,SMOKES AND CO DETECTORS AS PER 2008 NEC (NORTH DISTRICT) ALL WORK IS DONE BY PHISHING ONLY

  16. PermitMechanical

    Permit 767184 · COMPLETED

    INSTALL (2) COMPLETE HVAC SYSTEMS, (2) 60K BTU FURNACES @ 90%, 2 1/2 A/C, WITH ALL RELATED DUCTWORK.

  17. PermitPlumbing

    Permit 759657 · COMPLETED

    HD, HT, FAI, LATERAL, WATER SERV PA20170461254 SELF CERTIFICATION NO LONGER ACCEPTED ALL TRENCHES IN EXCESS OF 5 FT MUST HAVE APPROVED SHORING AT THE TIME OF INSPECTION. 4-WC, 4-BT, 4-SINK 2-KS THE INSTALLATION WILL COMPLY WITH THE PHILADELPHIA PLUMBING CODE 2004

  18. PermitAddition

    Permit 721245 · COMPLETED

    FOR THE ERECTION OF A THIRD-STORY ADDITION ON TOP OF AN EXISTING STRUCTURE TO BE USED AS A NEW TWO-FAMILY DWELLING (CHANGE IN OCCUPANCY). SEPARATE PERMITS REQUIRED FOR MECHANICAL, ELECTRICAL, AND PLUMBING SYSTEMS. ** AS PER ZBA PROVISO, NO LIVING SPACE(S) SHALL BE PERMITTED IN THE BASEMENT LEVEL. **

  19. PermitZoning/use

    Permit 645157 · COMPLETED

    3RD STORY REAR ADDITION OVER EXISTING 2 STORY PORTION OF 3 STORY STRUCTURE, CONVERT FROM SINGLE-FAMILY TO TWO-FAMILY

  20. AppealZoning board appeal

    Appeal 26561 · CLOSED · Granted with conditions

    Related permit 645157 · PERMIT FOR THE ERECTION OF A THIRD FLOOR ADDITION AT THE REAR ABOVE AN EXISTING TWO (2) STORY PORTION OF AN ATTACHED STRUCTURE. FOR USE AS TWO (2) DWELLING UNITS (TWO-FAMILY HOUSEHOLD LIVING) THROUGHOUT. SIZE AND LOCATION OF ADDITION AS SHO

  21. PermitDemolition

    Permit 596926 · COMPLETED

    EZ INTERIOR DEMOLITION- FOR THE INTERIOR DEMOLITION OF NON LOAD-BEARING PARTITION WALLS AND CEILINGS AS PER ATTACHED STANDARD. DEVIATIONS FROM THIS STANDARD WILL RESULT IN PERMIT REVOCATION AND REQUIRE SUBMISSION OF CONSTRUCTION PLANS. (INTERIOR DEMOLITION, REMOVE ALL PARTITION WALLS NO LOAD BEARING WALLS.)

  22. InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)

    Case 126797 · PASSED

    A legacy L&I inspection label. The unit inspected housing for property-maintenance, fire-prevention, and related code compliance; the separate status says how that visit ended. The cited inspection visit was marked passed.

  23. InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)

    Case 126797 · PASSED

    A legacy L&I inspection label. The unit inspected housing for property-maintenance, fire-prevention, and related code compliance; the separate status says how that visit ended. The cited inspection visit was marked passed.

  24. ViolationEXT A-CLEAN WEEDS/PLANTS (Cut or remove weeds and overgrowth from the exterior area)

    Case 126797 · Violation 1698718 · Code PM-302.3/1 · COMPLIED

    City marked this violation complied with; check the resolution date and live case for what was accepted.

  25. ViolationEXT A-CLEAN/EXTERMINATE (Clean the exterior area and address pests)

    Case 126797 · Violation 1698717 · Code PM-302.2/1 · COMPLIED

    City marked this violation complied with; check the resolution date and live case for what was accepted.

  26. InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)

    Case 126797 · FAILED

    A legacy L&I inspection label. The unit inspected housing for property-maintenance, fire-prevention, and related code compliance; the separate status says how that visit ended. The cited inspection visit was marked failed; later rows may show follow-up or resolution.

  27. ViolationVACANT PROP STANDARD (likely: vacant-property enforcement standard)

    Case 126797 · Violation 1698716 · Code PM-306.0/1 · COMPLIED

    A legacy L&I label associated with vacant-property requirements. It may concern licensing, securing, or maintaining a vacant structure; the notice and cited code control, and this row alone does not prove the property is vacant now. City marked this violation complied with; check the resolution date and live case for what was accepted.

  28. ViolationLICENSE-VAC RES BLDG (vacant residential building license required)

    Case 126797 · Violation 1698715 · Code PM-102.4/2 · COMPLIED

    This usually records a requirement to obtain a Vacant Structure License for an unoccupied residential building. Check later license and compliance rows because it does not establish present vacancy or an unresolved violation. City marked this violation complied with; check the resolution date and live case for what was accepted.

  29. ViolationPROSEC- STD INFO (likely: Standard enforcement or prosecution notice)

    Case 126797 · Violation 1698714 · Code A-503.2/2 · COMPLIED

    Legacy L&I shorthand; the case notice contains the actual required correction and deadlines. City marked this violation complied with; check the resolution date and live case for what was accepted.

  30. InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)

    Case 126797 · FAILED

    A legacy L&I inspection label. The unit inspected housing for property-maintenance, fire-prevention, and related code compliance; the separate status says how that visit ended. The cited inspection visit was marked failed; later rows may show follow-up or resolution.

Where this comes from

Methodology & freshness

This report was assembled Jul 26, 2026, 6:23 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)