2026 taxable assessment $100,500 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $115,500; it is not the 2026 billed-year value.
House report
2125 E William St
2 bd · 1 ba · 2 stories · 624 sqft · RSA5 · built 1920
Absentee individual · assessed $101K (2026) · 2027 OPA assessment $116K · sold 1×. On the 2100 block of E William St.
BlockReport AI · cited public records
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Property summary
Assessment$100,5002026 OPA assessment · 2027: $115,500
Last sale$50KRecorded 2006
Est. tax bill$1,407/year2026 taxable assessment × 1.3998%
Tax delinquency$1KCity snapshot · Jun 2022
Permits0Every fetched City permit
Violations0 open9 historical across 4 cases
“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 2520756002026 taxable assessment equals the full assessed value.
Historical delinquency sources Record found
$1,401.06 was recorded for this parcel in Philadelphia's June 2022 delinquency snapshot for 2016–2021. That amount may have been paid, reduced, or increased since; it is not a current payoff figure.
$868.98 principal$45.62 interest$52.14 penalty$434.32 other charges
The snapshot’s 2022 context used $59,200 total assessment, $59,200 taxable, and $0 exempt/abated. Those historical fields can differ from today’s OPA exemption status.
A separate historical parcel ledger ending in 2016 records $826.20 and a lien entry. It is shown as historical context only.
2013$40.66 total · $0.00 principal · $0.00 interest · $16.11 penalty2014$157.27 total · $0.00 principal · $30.42 interest · $29.99 penalty2015$118.67 total · $0.00 principal · $0.00 interest · $13.60 penalty2016$509.60 total · $384.22 principal · $5.99 interest · $3.84 penalty
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 recordHistory
Why it matterssold $50K (2006); 4 L&I violations incl UNSAFE - UNFIT NO EVAC (2007); Inspection passed (2008); 4 L&I violations (2011); L&I: 3 failed, 1 passed (2011); Inspection passed (2012); L&I violation (2024); Inspection failed ×2 (2024).
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 1920: 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.
Zoned RSA5: one household by right
Single-family rowhouse (the classic Philly row). Converting to a duplex or apartments needs a use variance the zoning board rarely grants — Pennsylvania courts require a physical hardship of the lot itself, and economics alone do not qualify.
If you own it
$826 in the historical tax ledger through 2016
Historical context only, not a current payoff figure; that ledger also contains a lien entry. Verify today's balance and lien status directly with Philadelphia Revenue before relying on it.
If you’re the landlord
Lead certificate is not optional
Built 1920: every rental unit needs a lead-safe or lead-free certificate on file with the City. Without one: fines up to $2,000/day per unit, tenants may withhold rent, courts can order rent refunded — and no eviction will stand.
Licensed rental — keep it that way
Renewal requires city tax clearance and zero open L&I violations on the property. A lapsed license suspends the right to collect rent or evict.
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.
The investment read
How this house has moved and where it's pointed: every fetched annual City assessment, charted against its block and ZIP; appreciation includes the full-period compound rate and the latest year-over-year change. The 5-year figure simply extends that historical pace. Yield estimates rent-vs-price from area rents. Ask the record to dig into any number.
Assessed value
$100,500
2026 billed-year assessment · 2027: $115,500 · built 1920
Price / sq ft
$185
block $151 · above block
Appreciation
+129%
+8%/yr since 2016 · 2027 +15% vs 2026
In 5 years (~2032)
~$168K
+8%/yr own pace held 5 yrs — extrapolation, not a forecast
Est. tax bill / yr
$1,407
1.22% effective
Jun 2022 tax snapshot
$1K
recorded then · verify current
Gross yield
-6926406.9%
≈$-667M/mo rent
Times sold
1
licensed rental
Assessment vs. the block and ZIP · every dated City record marked on the line
- OPA assessment · 2016$50K 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$50K 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$50K 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$55K 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$59K 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$59K 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$59K 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$78K 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$78K 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$101K 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$101K 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$116K 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 · 2006Deed / sale $50KA 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 ↗
- L&I violation · 2007-11-29HEAT CONTINUOUS SUPPLY-RESA 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 · 2007-11-29HEAT GAS SYSTEM DEFECTIVE-RESA 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 · 2007-11-29SD-REQD EXIST GROUP R (Smoke detectors required in an existing residential occupancy)Smoke detectors required in an existing residential occupancyHow L&I violations and orders work ↗
- L&I violation · 2007-12-12UNSAFE - UNFIT NO EVACA 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 · 2007-12-12HCEU INSP (Housing Code Enforcement Unit inspection)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.What Philadelphia inspections check ↗
- L&I violation · 2011-08-26SD-POWER SOURCE GROUP RA 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 · 2011-08-26CO DETECTOR NEEDED (Carbon-monoxide detector required)Carbon-monoxide detector requiredHow L&I violations and orders work ↗
- L&I violation · 2011-08-26LICENSE-RES SFD/2FDA 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 · 2011-10-28SD-SMOKE BATTERY OCCUPANTA 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 · 2024-05-24EXTERIOR AREA WEEDSA 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 · 2008-01-02PRECOURT (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 · 2011-12-01HCEU INSP (Housing Code Enforcement Unit inspection)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.What Philadelphia inspections check ↗
- Inspection · 2012-01-06HCEU INSP (Housing Code Enforcement Unit inspection)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.What Philadelphia inspections check ↗
- Inspection · 2024-06-12L&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 · 2009-11-12RentalA 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 19134 medianAssessmentDeed / saleL&I violationInspectionLicense
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 record16 events · exact dates, newest first
- InspectionL&I investigation
- L&I violationEXTERIOR AREA WEEDS
- InspectionHCEU INSP (Housing Code Enforcement Unit inspection)
- InspectionHCEU INSP (Housing Code Enforcement Unit inspection)
- L&I violationSD-SMOKE BATTERY OCCUPANT
- L&I violationSD-POWER SOURCE GROUP R
- L&I violationCO DETECTOR NEEDED (Carbon-monoxide detector required)
- L&I violationLICENSE-RES SFD/2FD
- LicenseRental
- InspectionPRECOURT (likely: pre-court compliance inspection)
- L&I violationUNSAFE - UNFIT NO EVAC
- InspectionHCEU INSP (Housing Code Enforcement Unit inspection)
- L&I violationHEAT CONTINUOUS SUPPLY-RES
- L&I violationHEAT GAS SYSTEM DEFECTIVE-RES
- L&I violationSD-REQD EXIST GROUP R (Smoke detectors required in an existing residential occupancy)
- Deed / saleDeed / sale $50K
The paper trail
Historysold $50K (2006); 4 L&I violations incl UNSAFE - UNFIT NO EVAC (2007); Inspection passed (2008); 4 L&I violations (2011); L&I: 3 failed, 1 passed (2011); Inspection passed (2012); L&I violation (2024); Inspection failed ×2 (2024).
- 2006 $50KSold
- 2007 4 L&I violations incl UNSAFE - UNFIT NO EVACL&I
- 2008 Inspection passedL&I visit
- 2011 4 L&I violationsL&IL&I: 3 failed, 1 passedL&I visit
- 2012 Inspection passedL&I visit
- 2024 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 19 dated records deeds, permits, inspections, licenses, violations, certifications & appeals
- InvestigationL&I investigation
Case CF-2024-051406 · FAILED
The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- ViolationEXTERIOR AREA WEEDS
Case CF-2024-051406 · Violation VI-2024-041941 · Code PM15-302.4 · COMPLIED
Resolution: COMPLIED - BY ENFORCEMENT ACTION City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)
Case 304299 · 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.
- InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)
Case 304299 · 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.
- ViolationSD-SMOKE BATTERY OCCUPANT
Case 304299 · Violation 2296929 · Code FC-907.3/28 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)
Case 294256 · 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.
- ViolationSD-POWER SOURCE GROUP R
Case 294256 · Violation 2193404 · Code FC-907.3/26 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCO DETECTOR NEEDED (Carbon-monoxide detector required)
Case 294256 · Violation 2193405 · Code FC-908.7/1 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationLICENSE-RES SFD/2FD
Case 294256 · Violation 2193406 · Code PM-102.3/1 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)
Case 294256 · 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.
- LicenseRental
License 487648 · Active
ROBERT & TERESA DERR · Expires 2027-02-28
- InvestigationPRECOURT (likely: pre-court compliance inspection)
Case 136501 · PASSED
A follow-up before or during enforcement escalation; confirm the case sequence in the City file. The cited inspection visit was marked passed.
- ViolationUNSAFE - UNFIT NO EVAC
Case 136501 · Violation 769068 · Code PM-307.3/90 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)
Case 136501 · 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.
- InvestigationHCEU INSP (Housing Code Enforcement Unit inspection)
Case 136501 · CLOSED
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. City marked the record closed; open the case for the closing reason.
- ViolationHEAT CONTINUOUS SUPPLY-RES
Case 136501 · Violation 769067 · Code PM-406.2/2 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationHEAT GAS SYSTEM DEFECTIVE-RES
Case 136501 · Violation 769066 · Code PM-406.2/10 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationSD-REQD EXIST GROUP R (Smoke detectors required in an existing residential occupancy)
Case 136501 · Violation 769065 · Code FC-907.3/20 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- Recorded transfer$50K transfer
2006
What this record suggests
The dated deed and City-record sequence is assembled below. Read timing as a research lead, not proof of renovation, condition, or motive.
Flags: active rental license · $1K recorded in the June 2022 delinquency snapshot — verify current balance · historical tax ledger through 2016 recorded $826 with a lien entry. 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.
Bedrooms
2
Bathrooms
1
Stories
2
Interior
624 sqft
livable area
Lot
849 sqft
Basement
Full
city code D
Heat
Undetermined
city code H
Central air
No
Exterior condition
Below average
city code 5
Above averageBelow average
Interior condition
Average
city code 4
Above averageBelow average
Quality grade
C
assessor's grade
ABCDE
Zoning
RSA5
city zoning code
OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.
Run the numbers
What owning 2125 E William St 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.
When this house last sold (2006) a 30-year mortgage ran about 6.41% — Freddie Mac's average that year.
Mortgage
—
P&I · 30-yr fixed
All-in monthly
—
+ taxes & insurance
Cash to close
—
down + ~4% costs
Cash flow
—
rent − all costs · /mo
Cap rate
—
NOI ÷ price
Cash-on-cash
—
year-1 return on cash in
Estimates for orientation, not advice. Assumes a 30-year fixed loan, $1,400/yr insurance, 1% of price/yr maintenance; taxes use this parcel's taxable assessment, not a live Tax Center balance.
Block context
2125 E William St sits on the 2100 block of E William St. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 2123 E William St · 2127 E William 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 10, 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)