House report
4050 Ludlow St
Vacant · assessed $3.9M · sold 4×. On the 4000 block of Ludlow St.
Reading this house's deeds, permits and assessments…
The investment read
How this house 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 analyst below to dig into any number.
Value vs. the block, over time — sales, permits & L&I events marked on the line
Bought for $16M in 2018, built new under a 2020 permit, sold for $2.7M in 2025.
- 2018 $16MSold
- 2019 $5.0MSold
- 2020 $3.5MSoldNew construction, addition, GFA changePermit
- 2022 AlterationsPermitFull DemolitionPermit
- 2023 L&I violationL&I
- 2024 New ConstructionPermit2 L&I violationsL&I
- 2025 3 L&I violationsL&I$2.7MSold
Informational only — not investment advice or a consumer report (FCRA).
Run the numbers
What owning 4050 Ludlow St takes, at your price and your rate. Taxes are this house's actual bill from the city record; 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 (2025) a 30-year mortgage ran about 6.6% — Freddie Mac's average that year.
Estimates for orientation, not advice. Assumes a 30-year fixed loan, $1,400/yr insurance, 1% of price/yr maintenance; taxes from this parcel's record.
Next door: 4034 Ludlow St · 4030 Ludlow 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
- Back taxes & liens — Real Estate Tax Balances, Dept. of 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
City datasets are fetched live from OpenDataPhilly (phl.carto.com) and cached briefly. AI-written passages are generated from these records only and rejected if they state a number the record doesn't hold.
First time here?
This is 4050 Ludlow St,
on paper.
Every deed, permit, L&I visit, tax bill and sale for this house — plus its whole block.
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Who owns what, what they paid, what they built, what they owe. Scroll and it's all here — the paid part is not the data.
The good part
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Official city record ↗ · L&I history ↗ · See the whole block · Download this record (JSON)