New construction
Why it mattersBought for $300K in 2023, built new under a 2023 permit, sold for $440K in 2025.
View supporting records →Apartment building report
3 stories · 7,256 sqft · CMX2 · built 2025
Vacant lot · Thedoor LLC · assessed $1.6M. On the 700 block of W Cumberland St.

Bought for $300K in 2023, built new under a 2023 permit, sold for $440K in 2025.
View supporting records →Assessed at $1.6M, but it traded for $440,000 in 2025 — a 3.7× gap. Could be a non-market deed the record doesn't label, or an assessment that hasn't caught up.
View supporting records →Early patterns mined across this property's dated public records. Each flag shows what triggered it and where the inference stops.
A recorded purchase followed by 4 permit events matches the early part of a renovate-and-resell sequence.
Evidence: purchase recorded in 2025 · permit activity in 2025
Limit: This does not show that the property is listed or that a sale is planned.
The assessment jumped 281% in 2027, but no matching permit appears in the property timeline.
Evidence: assessment moved from $422,300 to $1,610,300 · 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 machine-learning forecast. A signal is a prompt to verify the cited record, not a prediction or allegation.
This is a vacant lot, recorded under the city's apartments category. The homeowner tools (rent estimate, homestead playbook) don't apply, so they're hidden. The full record and owner trail are below.
Thedoor LLC · corporate / LLC owner
• Owns 69 properties across Philadelphia under this name, assessed at $4.9M combined
• Tax bills mail to 446 Germantown Pike Unit 174, Lafayette Hill PA, 19444 — outside Philadelphia
• The last transfer was a nominal/family deed, not an open-market sale
Places where the city's own paperwork disagrees with itself. These are flags on the data — not problems with the property.
Assessed at $1.6M, but it traded for $440,000 in 2025 — a 3.7× gap. Could be a non-market deed the record doesn't label, or an assessment that hasn't caught up.
715 W Cumberland St sits on the 700 block of W Cumberland St. Open the block report to compare its parcels, ownership and public-record history.
See the whole block →Next door: 713 W Cumberland St · 711 W Cumberland St
Available City datasets are queried from OpenDataPhilly (phl.carto.com), then reports are cached and refreshed on a rolling schedule. Source dates vary: the parcel-level tax-delinquency snapshot is June 2022 and the separate detailed tax ledger ends in 2016, so neither establishes today’s balance. Other dossiers re-pull on view once stale, and citywide benchmarks recompute weekly. AI-written passages are generated from these records only and rejected if they state a number the record doesn't hold.
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On the way down: the story of the house, its paper trail drawn on the value chart, and run-the-numbers, a calculator seeded with an assessment-based annual tax estimate.
Official city record ↗ · L&I history ↗ · See the whole block · Download this record (JSON)