The Block Report

Apartment building report

313 S 12th St

4 stories · 3,900 sqft · RM1 · built 1900

Apartment building · Individual owner on record · assessed $944K (2026) · 2027 OPA assessment $986K. On the 300 block of S 12th St.

Property summary

Assessment$944,0002026 OPA assessment · 2027: $986,400 Last sale$1.1MRecorded 2005 · later nominal deed Est. tax bill$13,214/year2026 taxable assessment × 1.3998% Tax delinquencyNo 2022 matchNot proof account is current Permits6Every fetched City permit Violations0 open1 historical across 1 case

“Open” reflects records available then historical records keep their source dates estimates are labeled

BlockReport AI · cited public records

Ask the questions this record raises.

Every choice opens the research chat with this property already in context. Curated questions are free.

Opens the research chat · 3 custom questions per browser
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:

Street view of 313 S 12th St
From the street — imagery © Google
From above — imagery © Esri, Maxar

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.

Estimated annual Real Estate Tax$13,214/year

2026 taxable assessment $944,000 × 1.3998%. Estimate—not a bill or account balance.

OPA also publishes a 2027 assessment of $986,400; it is not the 2026 billed-year value.

Official current account balanceCheck live

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 881513601
Open Philadelphia Tax Center →Choose “View period balance” to see the tax year and any credit, interest, or delinquency.
Exemption classificationNo exemption shown

2026 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 record
Finding

"Built 1900" is usually a placeholder

Why it matters

Philadelphia records use 1900 as a stand-in when the real construction year was never documented. Treat the age as unknown, not as 120+ years.

View supporting records →

Records to verify together

Rule-based groupings across this property's dated public records. Each flag shows the records that belong in the same verification step and where the inference stops.

Dated record flagRecent transition activity

The property has an unusually active paper trail worth monitoring for the next permit, inspection, deed, or listing.

Evidence: 5 permit events since 2023

Limit: Record activity alone does not establish that a sale or redevelopment is planned.

Transparent record rules, not a score or forecast. Each flag is a prompt to verify the cited records, not a prediction or allegation.

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
Individual owner on record
Individual name redacted
OPA tax treatment
Assessed $944K
Taxable assessment on the roll
$ / sq ft
$253
above the $151 median for 3,983 apartments parcels citywide
Assessed value
$944,000
2026 OPA · 2027: $986,400
Interior area
3,900 sqft
Lot size
2,820 sqft
Stories
4
Built
1900
Zoning
RM1

Every dated deed, permit, inspection, license, violation, certification, and appeal—together.

The timeline combines the report’s transfer history with every successfully fetched L&I and zoning row. A date or status is the City’s filed record, not a statement that the condition remains current; use the official file for live detail.

Open the City record ↗
Recorded owner
Individual owner on record
L&I district
CENTRAL EAST
OPA account
881513601

What this record suggests

The City file documents 6 permits touching electrical work, plumbing, roof work, windows. 6 carries a completed, issued, or approved status; that documents the filing, not the present quality of the work.

  1. PermitNew Construction or Additions

    Permit PP-2026-009149 · Issued

    - Approved plumbing work associated with an (Addition or Alteration) per attached EZ Permit Standard for Plumbing

  2. PermitAddition and/or Alteration

    Permit EP-2026-005094 · Issued

    Per the Historical Commission: No work to exterior windows and/or doors as part of this permit. No work to the front facade as part of this permit. PHC Staff Review of light fixture details required for final approval. Electrical scope of work Install 200 amp service, Rewiring of property Per NEC 2017

  3. PermitAddition and/or Alteration

    Permit RP-2026-001867 · Issued

    For the erection of a one story addition at the rear of an existing structure. For interior and exterior alterations to an existing attached structure to conver for the use as a single-family dwelling per plans. Separate permits are required for all associated Mechanical, Electrical, and Plumbing work. Basement to remain non-habitable, to be used for storage and utilities only. No work to the front exterior facade per Philadelphia Historic Commission approval.

  4. PermitNew construction, addition, GFA change

    Permit ZP-2026-001853 · Issued

    For the erection of an addition to the rear of an existing attached structure. Size and location as shown in plans.

  5. PermitChange of Use

    Permit ZP-2026-001118 · Issued

    Residential - Household Living - Single-Family

  6. InvestigationL&I investigation

    Case CF-2022-073916 · PASSED

  7. CertificationFire Escape Report

    Certification BC-2022-017757 · Safe

    Expires 2027-11-17

  8. ViolationFIRE ESCAPE REPORT REQUIRED

    Case CF-2022-073916 · Violation VI-2022-053843 · COMPLIED

  9. InvestigationL&I investigation

    Case CF-2022-073916 · FAILED

  10. CertificationFire Escape Report

    Certification BC-2022-014410 · Safe with Repair

    Expires 2022-05-01

  11. PermitAlteration

    Permit 539215 · COMPLETED

    INSTALL NEW MODIFIED RUBBER TO ENTIRE TOP ROOF. INSTALL NEW 4" EAVES BOX AND CAPPING AROUND ROOF, WITH NO MORE THAN 3" REVEALED. SEAL ALL FLASHING AND STRIP GUTTER SEAMS. NO WORK TO FACADE. NO WORK ALTERATIONS TO WINDOWS OR DOORS.

  12. LicenseRental

    License 326404 · Inactive

    LAGROTTE LINDA LAGROTTE MARIO · Expires 2022-02-28 · Inactive 2022-04-29

  13. Recorded transfer$1.1M transfer

    2005

How Philadelphia’s property system works

These explainers are free because the record only helps if you know what it can—and cannot—prove. Use the linked City guidance for the controlling rule.

Permits and inspections 6 on this property

This property’s file includes BP_ALTER, Zoning, Residential Building, Electrical permit records. A permit documents authorized scope and a City process; it is not by itself proof that every described improvement was completed, remains in place, or meets today’s condition expectations.

L&I inspections are scheduled at defined stages; final inspection and required certifications are separate steps in closing out applicable work.

How construction and repair permits work ↗See City inspection stages by permit type ↗
Assessments and taxes

The OPA assessment is the City’s value on the tax roll—not an asking price, appraisal, or live account balance. The taxable assessment can differ from the full assessment because the City roll records exemptions or other treatment; the report keeps those fields separate.

Your annual estimate uses the taxable assessment. Payments, credits, interest, and the amount due are maintained separately in Tax Center.

How the Office of Property Assessment works ↗Philadelphia property-tax guidance ↗
Violations, cases, and status check current status

An open row is a dated City status, not a diagnosis of current condition or a conclusion about the property. Read the case, notice, and any subsequent inspection together, then verify the live file.

How L&I code enforcement works ↗City violation and order types ↗

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.

"Built 1900" is usually a placeholder

Philadelphia records use 1900 as a stand-in when the real construction year was never documented. Treat the age as unknown, not as 120+ years.

Block context

313 S 12th St sits on the 300 block of S 12th St. Open the block report to compare its parcels, ownership and public-record history.

See the whole block →

Next door: 311 S 12th St  ·  315 S 12th St

Where this comes from
Methodology & freshness

This report was assembled Jul 10, 2026, 4:22 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)