351 ROUSE BLVD
OFF BLD N/COM W/PKG MASON · Philadelphia · 19112
At a glance
351 ROUSE BLVD in Philadelphia, PA is listed on the Philadelphia property roll as “OFF BLD N/COM W/PKG MASON”, OPA account 788043100. The roll records 48,110 sq ft of building area, a 2017 build year and an assessed value of $12,611,800. It last sold for $237,000 in Dec 2015.
The building's own benchmarking filing
Energy performance
From the building's own filing under its city's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.
Recorded transfers — county roll + state sale file
Sale history
| Recorded | Price | Qualification | Source | Instrument |
|---|---|---|---|---|
| Dec 2015 | $237,000 | 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 — 0 matched business locations
Tenants & business locations
No active business locations at this address appear in the public records ingested so far. That is a statement about the records, not the building: tenants without a county business-tax receipt or a Florida registration at this address are invisible to public data.
Philadelphia assessment roll
Parcel record
| Field | Value |
|---|---|
| OPA account | 788043100 |
| Site address | 351 ROUSE BLVD |
| Land use (DOR) | DE0 — OFF BLD N/COM W/PKG MASON |
| Building area (actual) | 48,110 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | — |
| Year built | 2017 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $12,611,800 |
Recorded owner (assessment roll)
L/S 351 ROUSE BLVD LP
Owner mailing address: 444 WEST OCEAN BOULEVARD, LONG BEACH, CA, 90802
Location
- Address
- 351 ROUSE BLVD
- City
- Philadelphia
- ZIP
- 19112
- Coordinates
- 39.89365, -75.16803
Within ~650 m
Nearby office buildings
- 4499 S BROAD ST0 tenants
700,000 sq ft · 1895
- 5 CRESCENT DR0 tenants
236,800 sq ft · 4 fl · 2013
- 300 ROUSE BLVD0 tenants
170,622 sq ft · 2 fl · 2021
- 1200 INTREPID AVE0 tenants
133,044 sq ft · 4 fl · 2023
- 1000 INTREPID AVE0 tenants
118,013 sq ft
- 3 CRESCENT DR1 tenants
106,200 sq ft · 4 fl · 2009
How does 351 ROUSE BLVD compare with other Philadelphia office buildings?
At 48,110 sq ft, 351 ROUSE BLVD is about 33% larger than 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 $262 per square foot of building area, against $163 across all office floor area on the roll.
The last recorded sale priced it at $5 per square foot.
What has happened at 351 ROUSE BLVD recently?
1 recorded transfer is on file for this parcel, the latest dated Dec 2015.
The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.
What does “OFF BLD N/COM W/PKG MASON” mean for this parcel?
The Philadelphia roll classifies OPA account 788043100 as “OFF BLD N/COM W/PKG MASON” (use code DE0). 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 351 ROUSE BLVD?
The recorded owner on the Philadelphia assessment roll (current) is L/S 351 ROUSE BLVD LP. Owner mailing address on file: 444 WEST OCEAN BOULEVARD, LONG BEACH, CA, 90802.
What companies have offices at 351 ROUSE BLVD?
No business locations at this building appear in the public records ingested so far — no licence, tax or registry record currently lists this address; that is a gap in the record, not proof the building is empty.
How big is 351 ROUSE BLVD?
The Philadelphia roll records 48,110 sq ft of building area, a build year of 2017.
What is the assessed value of 351 ROUSE BLVD?
$12,611,800 on the Philadelphia roll. Assessed values are taxable-roll figures, not market prices.
When did 351 ROUSE BLVD last sell?
The last recorded transfer was in Dec 2015 for $237,000 ($5 per square foot).
What is the OPA account for 351 ROUSE BLVD?
OPA account 788043100, site address 351 ROUSE BLVD, Philadelphia. It is the key to look the parcel up in the Office of Property Assessment nightly roll (Philadelphia).
More around 351 ROUSE BLVD
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.
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Dataset updated . Source: Philadelphia assessment roll, OPA account 788043100.
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, “351 ROUSE BLVD, Philadelphia, PA (OPA account 788043100)”, https://buildingcensus.com/offices/philly/office-building-c524d6a3 (data as of October 10, 2026).