2026 taxable assessment $906,900 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $936,300; it is not the 2026 billed-year value.
Mixed-use report
308 S 12th St
3 stories · 3,672 sqft · RM1 · built 1900
Investor / LLC · assessed $907K (2026) · 2027 OPA assessment $936K · 2 licensed units · sold 1×. On the 300 block of S 12th St.
Property summary
Assessment$906,9002026 OPA assessment · 2027: $936,300
Last sale$850KRecorded 2015
Est. tax bill$12,695/year2026 taxable assessment × 1.3998%
Tax delinquencyNo 2022 matchNot proof account is current
Permits7Every 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.
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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 8715086002026 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 recordImproved
Why it mattersBought for $850K in 2015. Owner pulled a plumbing permit in 2017.
View supporting records →"Built 1900" is usually a placeholder
Why it mattersPhiladelphia 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 →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 1900: 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.
If you’re the landlord
Lead certificate is not optional
Built 1900: 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.
Who's behind it
Giancarlo & Marcello LLC · corporate / LLC owner
• Tax bills mail to 815 S Darien St, Philadelphia PA, 19147
• Holds an active rental license for this address
The investment read
How this building has moved and where it's pointed: the city's assessed value (not a listing price) over 12 years, charted against its block; appreciation is that history's pace, and the 5-year figure simply extends it. Yield estimates rent-vs-price from area rents. Ask the record to dig into any number.
Assessed value
$906,900
2026 billed-year assessment · 2027: $936,300 · built 1900
Price / sq ft
$255
block $376 · below block
Appreciation
+23%
+2%/yr, city 6.5%
In 5 years (~2031)
~$937K
+2%/yr own pace held 5 yrs — extrapolation, not a forecast
Est. tax bill / yr
$12,695
1.36% effective
Jun 2022 tax snapshot
No match
not proof the account is current
Gross yield
1.8%
≈$1K/mo rent
Times sold
1
licensed rental
Assessment vs. the block · every dated City record marked on the line
- OPA assessment · 2016$734K 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$734K 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$794K 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$818K 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$826K 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$826K 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$826K 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$896K 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$896K 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$907K 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$907K 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 · 2015Deed / sale $850KA 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 · 2013-10-31Zoning/useThis 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 · 2013-12-19Major 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 · 2014-01-15MechanicalThis 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 · 2014-02-27ElectricalThis 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 · 2014-03-03PlumbingThis permit category usually covers water, drainage, fixtures, or other plumbing 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 · 2015-09-30PlumbingThis permit category usually covers water, drainage, fixtures, or other plumbing 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 · 2017-12-11PlumbingThis permit category usually covers water, drainage, fixtures, or other plumbing work. 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 · 2014-04-10INSURANCE - POST CERTA 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 · 2006-10-05BC INSP (likely: building-code inspection)Legacy inspection shorthand; confirm the inspection type and scope in the City case file.What Philadelphia inspections check ↗
- License · 2003-03-11RentalA 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 · 2015-10-19RentalA 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 · 2013-10-23Zoning 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 ↗
Assessment lineBlock median & rangeAssessmentDeed / saleL&I violationAppealPermitInspectionLicense
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 record13 events · exact dates, newest first
- PermitPlumbing
- LicenseRental
- PermitPlumbing
- Deed / saleDeed / sale $850K
- L&I violationINSURANCE - POST CERT
- PermitPlumbing
- PermitElectrical
- PermitMechanical
- PermitMajor alteration
- PermitZoning/use
- AppealZoning board appeal
- InspectionBC INSP (likely: building-code inspection)
- LicenseRental
The paper trail
ImprovedBought for $850K in 2015. Owner pulled a plumbing permit in 2017.
- 2006 Inspection passedL&I visit
- 2013 Appeal grantedZoningZoning/usePermitMajor alterationPermit
- 2014 MechanicalPermitElectricalPermitPlumbingPermitL&I violationL&I
- 2015 PlumbingPermit$850KSold
- 2017 PlumbingPermit
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 13 dated records deeds, permits, inspections, licenses, violations, certifications & appeals
- PermitPlumbing
Permit 838337 · COMPLETED
REPLACE CURB TRAP WITH FRESH AIR INLET-PA1#20173450174-"SELF-CERTIFICATION'S ARE NO LONGER PERMITTED" - "ALL EXCAVATIONS AND PLUMBING TRENCHES IN EXCESS OF 5 FEET IN DEPTH MUST HAVE APPROVED SHORING IN PLACE AT THE TIME OF INSPECTION"
- LicenseRental
License 680953 · Active
GIANCARLO & MARCELLO LLC · Expires 2026-10-31
- PermitPlumbing
Permit 641838 · COMPLETED
REPLACE 3/4" WATER SERVICE.FROM MAIN IN STREET, TO CURB STOP IN BASEMENT WALL
- Recorded transfer$850K transfer
2015
- ViolationINSURANCE - POST CERT
Case 508575 · Violation 3141499 · CLOSEDCASE
City marked the case closed; that does not mean the original condition never existed.
- PermitPlumbing
Permit 522037 · COMPLETED
1ST FLOOR - HAIR SALON PLUMBING ALTERATIONS - ADD (3)SHAMPOO SINKS
- PermitElectrical
Permit 515334 · COMPLETED
INSTALL RECESSED LIGHTS,OUTLETS,SWITCHES,300AMP SERVCIE AND FIRE ALARM PER 2008 NEC & NFPA 72 (MIXED USE)
- PermitMechanical
Permit 515367 · COMPLETED
INSTALL 2 DIRECT VENT 90% 70,000BTU FURNACES WITH A/C INCLUDING DUCTWORK(MIXED USE)
- PermitMajor alteration
Permit 508575 · COMPLETED
FOR LEVEL II ALTERATIONS ON THE FIRST FLOOR OF AN EXISTING BUILDING FOR USE A HAIR SALON. ALTERATION TO INCLUDE THE ERECTION OF PARITION WALLS AND PROVIDE ACCESSIBILITY IMPROVEMENTS THROUGHOUT. ALL WORK TO BE DONE PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MECHANICAL, ELECTRICAL, AND PLUMBING WORK.
- PermitZoning/use
Permit 482790 · COMPLETED
1ST FLOOR USE TO PERSONAL SERVICES ASSOCIATED WITH PERSONAL GROOMING, ACCESSORY SIGN, ONE PROJECTING AND TWO WINDOWS SIGNS AND TWO CAR GARAGE. 2ND AND 3RD FLOOR 2 APTS.
- AppealZoning board appeal
Appeal 21401 · CLOSED · Granted
Related permit 482790 · PERMIT FOR PERSONAL SERVICES (PERSONAL GROOMING) ON THE FIRST FLOOR OF AN EXISTING BUILDING WITH TWO (2) EXISTING APARTMENTS ABOVE AND TWO (2) INTERIOR ACCESSORY PARKING SPACES. FOR ONE (1) NON-ILLUMINATED DOUBLE FACED PROJECTING SIGN AND T
- InvestigationBC INSP (likely: building-code inspection)
Case 83414 · PASSED
Legacy inspection shorthand; confirm the inspection type and scope in the City case file. The cited inspection visit was marked passed.
- LicenseRental
License 250308 · Inactive
MILLSTEIN SEYMOUR · Expires 2016-02-29 · Inactive 2016-04-29
What this record suggests
The City file documents 7 permits touching electrical work, plumbing, windows. 7 carries a completed, issued, or approved status; that documents the filing, not the present quality of the work.
Flags: active rental license · 1 zoning/board appeal on record. 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.
Stories
3
Interior
3,672 sqft
livable area
Lot
1,584 sqft
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
RM1
city zoning code
Zoning appeals
1
CLOSED · Granted · 2013
OPA field-assessment attributes. Condition and grade are the assessor's codes, not an inspection.
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.
Run the numbers
What owning 308 S 12th 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 2 licensed units × ~85% of the area's median unit rent — the whole building's income, not one unit's. Assessed value is not an asking price — set the price slider to the real one.
When this house last sold (2015) a 30-year mortgage ran about 3.85% — 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
308 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: 310 S 12th St · 312 S 12th 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, 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)