2026 taxable assessment $263,800 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $388,500; it is not the 2026 billed-year value.
House report
9820 Bonner St
3 bd · 1 ba · 1 story · 1,720 sqft · RSA3 · built 1958
Owner-occupied · assessed $364K (2026) · 2027 OPA assessment $389K · sold 2×. On the 9800 block of Bonner St.
Property summary
Assessment$363,8002026 OPA assessment · 2027: $388,500
Last sale$174KRecorded 2004
Est. tax bill$3,693/year2026 OPA · Homestead-adjusted
Tax delinquencyNo 2022 matchNot proof account is current
Permits0Every fetched City permit
Violations0 open16 historical across 7 cases
“Open” reflects records available then historical records keep their source dates estimates are labeled
BlockReport AI · cited public records
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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 5814663002026 OPA removes $100,000 from the taxable assessment through the owner-occupant exemption.
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 recordTraded
Why it mattersTraded 2×: $124K in 2002 → $174K in 2004 (+40%).
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 1958: 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 RSA3: one household by right
Single-family attached. 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.
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
$363,800
2026 billed-year assessment · 2027: $388,500 · built 1958
Price / sq ft
$226
block $230 · in line w/ block
Appreciation
+108%
+7%/yr since 2016 · 2027 +7% vs 2026
In 5 years (~2032)
~$542K
+7%/yr own pace held 5 yrs — extrapolation, not a forecast
Est. tax bill / yr
$3,693
0.95% effective
Jun 2022 tax snapshot
No match
not proof the account is current
Gross yield
3.2%
≈$1K/mo rent
Times sold
2
Assessment vs. the block and ZIP · every dated City record marked on the line
- OPA assessment · 2016$187K 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$187K 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$187K 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$190K 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$202K 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$202K 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$202K 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$292K 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$292K 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$364K 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$364K 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$389K 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 · 2002Deed / sale $124KA 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 ↗
- Deed / sale · 2004Deed / sale $174KA 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 · 2009-11-05WINDOWS DOORS - GLASS, FRAMESA 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 · 2009-11-05CLIP VIOLATION NOTICEA 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 · 2009-11-05DETACHED STRUCT NO PERMITA 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 · 2009-11-05HIGH WEEDS-CUTA 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 · 2009-11-05RUBBISH/GARBAGE EXTERIOR-OWNERA 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 · 2010-01-26ANIMAL DROPPINGSA 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 · 2010-11-01CLIP VIOLATION NOTICEA 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 · 2010-11-01HIGH WEEDS-CUTA 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 · 2013-10-30CLIP VIOLATION NOTICEA 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 · 2013-10-30HIGH WEEDS-CUTA 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 · 2017-08-22HIGH WEEDS-CUTA 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 · 2017-08-22CLIP VIOLATION NOTICEA 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 · 2018-06-14HIGH WEEDS-CUTA 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 · 2018-06-14CLIP VIOLATION NOTICEA 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 · 2025-04-28RUBBISH & GARBAGEA 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 · 2025-05-13L&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 ↗
Property assessmentBlock median & rangeZIP 19115 medianAssessmentDeed / saleL&I violationInspection
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 record18 events · exact dates, newest first
- InspectionL&I investigation
- L&I violationRUBBISH & GARBAGE
- L&I violationHIGH WEEDS-CUT
- L&I violationCLIP VIOLATION NOTICE
- L&I violationHIGH WEEDS-CUT
- L&I violationCLIP VIOLATION NOTICE
- L&I violationCLIP VIOLATION NOTICE
- L&I violationHIGH WEEDS-CUT
- L&I violationCLIP VIOLATION NOTICE
- L&I violationHIGH WEEDS-CUT
- L&I violationANIMAL DROPPINGS
- L&I violationWINDOWS DOORS - GLASS, FRAMES
- L&I violationCLIP VIOLATION NOTICE
- L&I violationDETACHED STRUCT NO PERMIT
- L&I violationHIGH WEEDS-CUT
- L&I violationRUBBISH/GARBAGE EXTERIOR-OWNER
- Deed / saleDeed / sale $174K
- Deed / saleDeed / sale $124K
The paper trail
TradedTraded 2×: $124K in 2002 → $174K in 2004 (+40%).
- 2002 $124KSold
- 2004 $174KSold
- 2013 2 L&I violationsL&I
- 2017 2 L&I violationsL&I
- 2018 2 L&I violationsL&I
- 2025 L&I violationL&IL&I: 1 failed, 1 passedL&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 20 dated records deeds, permits, inspections, licenses, violations, certifications & appeals
- InvestigationL&I investigation
Case CF-2025-034214 · PASSED
The cited inspection visit was marked passed.
- ViolationRUBBISH & GARBAGE
Case CF-2025-034214 · Violation VI-2025-025791 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- InvestigationL&I investigation
Case CF-2025-034214 · FAILED
The cited inspection visit was marked failed; later rows may show follow-up or resolution.
- ViolationHIGH WEEDS-CUT
Case 638953 · Violation 4707538 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCLIP VIOLATION NOTICE
Case 638953 · Violation 4707537 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationHIGH WEEDS-CUT
Case 600822 · Violation 4429773 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCLIP VIOLATION NOTICE
Case 600822 · Violation 4429772 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCLIP VIOLATION NOTICE
Case 409256 · Violation 2987741 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationHIGH WEEDS-CUT
Case 409256 · Violation 2987742 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationHIGH WEEDS-CUT
Case 256986 · Violation 1871493 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCLIP VIOLATION NOTICE
Case 256986 · Violation 1871492 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationANIMAL DROPPINGS
Case 225444 · Violation 1577816 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCLIP VIOLATION NOTICE
Case 225444 · Violation 1577815 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationWINDOWS DOORS - GLASS, FRAMES
Case 219766 · Violation 1515270 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationCLIP VIOLATION NOTICE
Case 219766 · Violation 1515267 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationDETACHED STRUCT NO PERMIT
Case 219766 · Violation 1515271 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationHIGH WEEDS-CUT
Case 219766 · Violation 1515269 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- ViolationRUBBISH/GARBAGE EXTERIOR-OWNER
Case 219766 · Violation 1515268 · COMPLIED
City marked this violation complied with; check the resolution date and live case for what was accepted.
- Recorded transfer$174K transfer
2004
- Recorded transfer$124K transfer
2002
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.
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
3
Bathrooms
1
Stories
1
Interior
1,720 sqft
livable area
Lot
2,800 sqft
Basement
Full
city code D
Central air
Yes
Exterior condition
Average
city code 4
Above averageBelow average
Interior condition
Average
city code 4
Above averageBelow average
Quality grade
C
assessor's grade
ABCDE
Zoning
RSA3
city zoning code
OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.
Run the numbers
What owning 9820 Bonner 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 (2004) a 30-year mortgage ran about 5.84% — 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
9820 Bonner St sits on the 9800 block of Bonner St. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 9818 Bonner St · 9822 Bonner 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, 3:57 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)