4023-27 CHESTNUT ST
OFF BLD N/COM W/PKG MAS+0 · Philadelphia · 19104
At a glance
4023-27 CHESTNUT ST in Philadelphia, PA is listed on the Philadelphia property roll as “OFF BLD N/COM W/PKG MAS+0”, OPA account 773081005. The roll records 53,340 sq ft of building area, a 1896 build year and an assessed value of $7,613,700.
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.
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 | 773081005 |
| Site address | 4023-27 CHESTNUT ST |
| Land use (DOR) | DE1 — OFF BLD N/COM W/PKG MAS+0 |
| Building area (actual) | 53,340 sq ft |
| Floors / units / buildings | — / — / — |
| Lot size | — |
| Year built | 1896 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | $7,613,700 |
Recorded owner (assessment roll)
AMERICAN LAW INSTITUTE
Owner mailing address: 4023-27 CHESTNUT ST, PHILADELPHIA, PA, 19104
Location
- Address
- 4023-27 CHESTNUT ST
- City
- Philadelphia
- ZIP
- 19104
- Coordinates
- 39.95609, -75.20354
Within ~650 m
Nearby office buildings
- 4145 CHESTNUT ST2 tenants
130,754 sq ft · 7 fl · 2024
- 3801-15 MARKET ST1 tenants
120,000 sq ft · 3 fl · 1950
- 30 N 41ST ST0 tenants
98,000 sq ft · 6 fl · 2012
- 3926-38 CHESTNUT ST1 tenants
63,654 sq ft · 1966
- 3819-31 CHESTNUT ST1 tenants
51,876 sq ft · 1985
- 4224 MARKET ST0 tenants
44,155 sq ft · 2 fl · 1960
How does 4023-27 CHESTNUT ST compare with other Philadelphia office buildings?
At 53,340 sq ft, 4023-27 CHESTNUT ST is about 47% 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 $143 per square foot of building area, against $163 across all office floor area on the roll.
What has happened at 4023-27 CHESTNUT ST recently?
The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.
What does “OFF BLD N/COM W/PKG MAS+0” mean for this parcel?
The Philadelphia roll classifies OPA account 773081005 as “OFF BLD N/COM W/PKG MAS+0” (use code DE1). 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 4023-27 CHESTNUT ST?
The recorded owner on the Philadelphia assessment roll (current) is AMERICAN LAW INSTITUTE. Owner mailing address on file: 4023-27 CHESTNUT ST, PHILADELPHIA, PA, 19104.
What companies have offices at 4023-27 CHESTNUT ST?
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 4023-27 CHESTNUT ST?
The Philadelphia roll records 53,340 sq ft of building area, a build year of 1896.
What is the assessed value of 4023-27 CHESTNUT ST?
$7,613,700 on the Philadelphia roll. Assessed values are taxable-roll figures, not market prices.
What is the OPA account for 4023-27 CHESTNUT ST?
OPA account 773081005, site address 4023-27 CHESTNUT ST, Philadelphia. It is the key to look the parcel up in the Office of Property Assessment nightly roll (Philadelphia).
More around 4023-27 CHESTNUT 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.
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Dataset updated . Source: Philadelphia assessment roll, OPA account 773081005.
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, “4023-27 CHESTNUT ST, Philadelphia, PA (OPA account 773081005)”, https://buildingcensus.com/offices/philly/office-building-bbeb6ab6 (data as of October 10, 2026).