2026 taxable assessment $77,100 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $323,300; it is not the 2026 billed-year value.
Multi-family report
507 W Dauphin St
4 bd · 3 stories · 1,530 sqft · RM1 · built 1915
Investor / LLC · assessed $77K (2026) · 2027 OPA assessment $323K · 2 licensed units · sold 1×. On the 500 block of W Dauphin St.
Property summary
Assessment$77,1002026 OPA assessment · 2027: $323,300
Last sale$30KRecorded 2024
Est. tax bill$1,079/year2026 taxable assessment × 1.3998%
Tax delinquency$480City snapshot · Jun 2022
Permits6Every fetched City permit
Violations0 openNo historical match in fetched records
“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.
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 1914240002026 taxable assessment equals the full assessed value.
Historical delinquency sources Record found
$480.22 was recorded for this parcel in Philadelphia's June 2022 delinquency snapshot for 2021. That amount may have been paid, reduced, or increased since; it is not a current payoff figure.
$310.21 principal$16.29 interest$18.61 penalty$135.11 other charges
The snapshot’s 2022 context used $31,000 total assessment, $31,000 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 $1,071.34 and a lien entry. It is shown as historical context only.
2016$1,071.34 total · $901.47 principal · $13.52 interest · $9.01 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 recordNew construction
Why it mattersbuilt new under a 2024 permit, sold for $30K in 2024.
View supporting records →Assessment and sale price disagree hard
Why it mattersAssessed at $323K, but it traded for $30,000 in 2024 — a 10.8× gap. Could be a non-market deed the record doesn't label, or an assessment that hasn't caught up.
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.
Records to verify together
More than one separately dated public record deserves a current-status check.
Evidence: $480 appeared in the City's June 2022 delinquency snapshot · a lien number appears in the historical tax ledger through 2016
Limit: A screening signal, not a foreclosure prediction. Tax entries are historical and must be verified with Philadelphia Revenue.
Post-purchase work pattern
A recorded purchase followed by 6 permit events matches the early part of a renovate-and-resell sequence.
Evidence: purchase recorded in 2024 · permit activity in 2024, 2025
Limit: This does not show that the property is listed or that a sale is planned.
Assessment/permit mismatch
The assessment jumped 319% in 2027, but no matching permit appears in the property timeline.
Evidence: assessment moved from $77,100 to $323,300 · no permit shown in 2026-2028
Limit: Not proof of unpermitted work; reassessment, corrected data, or a permit under another parcel can also explain it.
Transparent record rules, not a score or forecast. Each flag is a prompt to verify the cited records, not a prediction or allegation.
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 1915: 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 own it
$1,071 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 1915: 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
Gj Holdings LLC · corporate / LLC owner
• Owns 7 properties across Philadelphia under this name, assessed at $1.2M combined
• Tax bills mail to 1363 Buttonwood Drive, Southampton PA, 18966 — outside Philadelphia
• 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
$77,100
2026 billed-year assessment · 2027: $323,300 · built 1915
Price / sq ft
$211
block $129 · above block
Appreciation
+38%
+3%/yr, city 6.5%
In 5 years (~2031)
~$324K
+3%/yr own pace held 5 yrs — extrapolation, not a forecast
Est. tax bill / yr
$1,079
0.33% effective
Jun 2022 tax snapshot
$480
recorded then · verify current
Gross yield
3.5%
≈$935/mo rent
Times sold
1
licensed rental
Value vs. the block, over time — sales, permits & L&I events marked on the line
This houseBlock median & rangeSalePermit
Highlight
The paper trail
New constructionbuilt new under a 2024 permit, sold for $30K in 2024.
- 2024 $30KSoldInterior Non-Load-Bearing Wall Demo.PermitNew construction, addition, GFA changePermitAddition and/or AlterationPermit
- 2025 AlterationsPermitAddition and/or AlterationsPermitAddition and/or AlterationPermit
City record timeline
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.
- Recorded owner
- Gj Holdings LLC
- L&I district
- CENTRAL EAST
- OPA account
- 191424000
What this record suggests
The City file documents 6 permits touching kitchen work, electrical work, plumbing, windows. 6 carries a completed, issued, or approved status; that documents the filing, not the present quality of the work.
- LicenseRental
License 0991427 · Active
GJ Holdings LLC · Expires 2026-10-15
- PermitAddition and/or Alteration
Permit EP-2025-000484 · Completed
Wiring throughout the building, wiring and installing switches lights receptacles, tv cables, smoke detectors, installing 200 amp service ,installing grounding and bonding.
- PermitAddition and/or Alterations
Permit MP-2025-000308 · Completed
EZ PERMIT DUCTWORK & WARM-AIR APPLIANCES- For Mechanical Work to include the installation as per attached standards. Deviations from these standards require submission of construction and site plans. EACH HVAC UNIT TO BE SELF-CONTAINED WITHIN EACH DWELLING UNIT. NO PENETRATIONS OF RATED ASSEMBLIES.
- PermitAlterations
Permit PP-2025-000615 · Completed
installing 18 fixtures 2 hot water heaters 4 toilets 4 lavs 4 shower/tubs 2 kitchen sinks 2 washer machines
- PermitAddition and/or Alteration
Permit RP-2024-009233 · Completed
FOR ALTERATIONS TO AN EXISTING ATTACHED THREE-STORY STRUCTURE AS PER APPROVED PLAN; FOR NEW USE AS A TWO-FAMILY DWELLING. *SEPARATE PERMITS REQUIRED FOR ELECTRICAL, PLUMBING, AND MECHANICAL WORK* **UNDERPINNING IS NOT PART OF THIS PERMIT**
- PermitNew construction, addition, GFA change
Permit ZP-2024-008627 · Completed
FOR INSTALLATION OF AN EGRESS WINDOW WELL TO AN EXISTING ATTACHED THREE STORY STRUCTURE; SIZE AND LOCATION AS SHOWN ON THE APPLICATION/PLAN.
- PermitInterior Non-Load-Bearing Wall Demo.
Permit GM-2024-005854 · Completed
EZ INTERIOR DEMOLITION- For the interior demolition of non-bearing partition wall and ceilings as per attached standard. Deviations from these standards require submission of construction and site plans.
- Recorded transfer$30K transfer
2024
Free record guide
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 General Permit Minor, Zoning, Residential Building, Plumbing 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
L&I enforcement records can include warnings, notices, orders, inspections, and later resolution activity. A closed visit is still a historical record; it is not a missing event.
How L&I code enforcement works ↗City violation and order types ↗Flags: active rental license · $480 recorded in the June 2022 delinquency snapshot — verify current balance · historical tax ledger through 2016 recorded $1K 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
4
Stories
3
Interior
1,530 sqft
livable area
Lot
1,065 sqft
Basement
Full
city code D
Heat
Forced hot air
city code A
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
ABCDE
Zoning
RM1
city zoning code
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.
Assessment and sale price disagree hard
Assessed at $323K, but it traded for $30,000 in 2024 — a 10.8× gap. Could be a non-market deed the record doesn't label, or an assessment that hasn't caught up.
Run the numbers
What owning 507 W Dauphin 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 (2024) a 30-year mortgage ran about 6.72% — 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
507 W Dauphin St sits on the 500 block of W Dauphin St. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 505 W Dauphin St · 509 W Dauphin 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, 7:31 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)