105-17 S 7TH ST
OFF BLD COM NO GAR MASON · Philadelphia · 19106
At a glance
105-17 S 7TH ST in Philadelphia, PA is listed on the Philadelphia property roll as “OFF BLD COM NO GAR MASON”, OPA account 883010510. The roll records 125,388 sq ft of building area, 4 floors, a 1923 build year and an assessed value of $11,750,000. It last sold for $11,750,000 in Jul 2020. 1 active business locations at this address appear in public records.
Recorded transfers — county roll + state sale file
Sale history
| Recorded | Price | Qualification | Source | Instrument |
|---|---|---|---|---|
| Jul 2020 | $11,750,000 | not rated | County roll | — |
Prices are the consideration recorded in Philadelphia's public property records. Where a qualification code exists it is the assessor's judgement of whether a transfer was arm's length; transfers without one appear unrated rather than assumed clean. Whether a building is on the market today, and at what price, is not a public record and is not shown here — asking prices, listings and lease terms live in private commercial databases.
Public record — 1 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| M Seventh & Sansom Property Owner | — | Dec 2023 | Philadelphia L&I licence | folio match · high |
Philadelphia assessment roll
Parcel record
| Field | Value |
|---|---|
| OPA account | 883010510 |
| Site address | 105-17 S 7TH ST |
| Land use (DOR) | DB0 — OFF BLD COM NO GAR MASON |
| Building area (actual) | 125,388 sq ft |
| Floors / units / buildings | 4 / — / — |
| Lot size | — |
| Year built | 1923 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $11,750,000 |
Recorded owner (assessment roll)
SANSOM PROPERTY OWNER LLC
Owner mailing address: 2400 MARKET ST STE 301, PHILADELPHIA, PA, 19103
Location
- Address
- 105-17 S 7TH ST
- City
- Philadelphia
- ZIP
- 19106
- Coordinates
- 39.94885, -75.15200
Within ~650 m
Nearby office buildings
- 170 S INDEPENDENCE MALL W9 tenants
1,102,992 sq ft · 12 fl · 1911
- 508-32 WALNUT ST2 tenants
986,960 sq ft · 20 fl · 1918
- 701-39 MARKET ST6 tenants
845,230 sq ft · 5 fl · 1893
- 150 N INDEPENDENCE MALL W2 tenants
816,208 sq ft · 8 fl · 1976
- 819-41 CHESTNUT ST1 tenants
693,000 sq ft · 12 fl · 1926
- 101 N INDEPENDENCE MALL E0 tenants
582,120 sq ft · 11 fl · 1973
How does 105-17 S 7TH ST compare with other Philadelphia office buildings?
At 125,388 sq ft, 105-17 S 7TH ST is about 3 times the size of the average office building on the Philadelphia roll, which comes to 36,284 sq ft across 2,470 buildings.
Its assessed value works out to $94 per square foot of building area, against $163 across all office floor area on the roll.
The last recorded sale priced it at $94 per square foot.
What has happened at 105-17 S 7TH ST recently?
1 recorded transfer is on file for this parcel, the latest dated Jul 2020.
What does “OFF BLD COM NO GAR MASON” mean for this parcel?
The Philadelphia roll classifies OPA account 883010510 as “OFF BLD COM NO GAR MASON” (use code DB0). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.
Frequently asked questions
Who owns 105-17 S 7TH ST?
The recorded owner on the Philadelphia assessment roll (current) is SANSOM PROPERTY OWNER LLC. Owner mailing address on file: 2400 MARKET ST STE 301, PHILADELPHIA, PA, 19103.
What companies have offices at 105-17 S 7TH ST?
1 active business locations at this building appear in Philadelphia public records, including M Seventh & Sansom Property Owner. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 105-17 S 7TH ST?
The Philadelphia roll records 125,388 sq ft of building area, 4 floors, a build year of 1923.
What is the assessed value of 105-17 S 7TH ST?
$11,750,000 on the Philadelphia roll. Assessed values are taxable-roll figures, not market prices.
When did 105-17 S 7TH ST last sell?
The last recorded transfer was in Jul 2020 for $11,750,000 ($94 per square foot).
What is the OPA account for 105-17 S 7TH ST?
OPA account 883010510, site address 105-17 S 7TH ST, Philadelphia. It is the key to look the parcel up in the Office of Property Assessment nightly roll (Philadelphia).
More around 105-17 S 7TH ST
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Philadelphia — Office of Property Assessment nightly roll (owner and mailing address on every parcel), Department of Records deed transfers with consideration and counterparties, and L&I business licences joined by OPA account. The universal Commercial Activity licence roll publishes no premises addresses, so occupancy shows regulated activities only.
Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.
Working with Philadelphia office parcels? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: Philadelphia assessment roll, OPA account 883010510.
About this data
Source: Office of Property Assessment nightly roll (Philadelphia), as published October 10, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “105-17 S 7TH ST, Philadelphia, PA (OPA account 883010510)”, https://buildingcensus.com/offices/philly/office-building-1ee4e7f0 (data as of October 10, 2026).