2026 taxable assessment $0 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $997,700; it is not the 2026 billed-year value.
Commercial property report
260 sqft · SPPOA
Commercial · City Of Phila · fully tax-exempt (2026 OPA). On the 600 block of W Walnut Ln.
“Open” reflects records available then historical records keep their source dates estimates are labeled
Every choice opens the research chat with this property already in context. Curated questions are free.
BlockReport can explain a discrepancy, but it cannot rewrite an official City record. Use the agency that owns the underlying fact:

Property tax
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.
2026 taxable assessment $0 × 1.3998%. Estimate—not a bill or account balance.
OPA also publishes a 2027 assessment of $997,700; it is not the 2026 billed-year value.
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 8857362202026 OPA shows a zero or de minimis taxable assessment. The open assessment split does not establish the exemption's legal basis, continuing eligibility, or treatment after a transfer.
The June 2022 delinquency snapshot was not verifiably available in this cached report. No conclusion about a match—or today’s balance—can be drawn from that absence.
For a purchase, refinance, or closing, request the City’s official Property Payoff statement in Tax Center under “More options.”
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.
The assessment jumped 302% in 2027, but no matching permit appears in the property timeline.
Evidence: assessment moved from $248,000 to $997,700 · 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.
This is a commercial, recorded under the city's commercial category. The homeowner tools (rent estimate, homestead playbook) don't apply, so they're hidden. The full record and owner trail are below.
640 W Walnut Ln sits on the 600 block of W Walnut Ln. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 629 W Walnut Ln · 665 W Walnut Ln
This report was assembled Jul 10, 2026, 2:50 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. “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)