393 E WALNUT ST
Office building — one story · Pasadena · 91101
At a glance
393 E WALNUT ST in Pasadena, CA is listed on the Los Angeles County property roll as “Office building — one story”, AIN 5723004039. The roll records 332,753 sq ft of building area, a 1983 build year and an assessed value of $110,168,321. 1 active business locations at this address appear in public records.
Public record — 1 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| KAISER FOUNDATION HOSPITALS | — | Oct 1980 | LA business tax registry | address · medium |
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 5723004039 |
| Site address | 393 E WALNUT ST |
| Land use (DOR) | 1706 — Office building — one story |
| Building area (actual) | 332,753 sq ft |
| Floors / units / buildings | — / — / 3 |
| Lot size | — |
| Year built | 1983 |
| Zoning (primary) | — |
| Land value | $27,360,456 |
| Building value | — |
| Total assessed value | $110,168,321 |
Recorded owner (assessment roll)
No owning organisation shown. Where the county roll names a private individual, the name and mailing address are not published here.
Location
- Address
- 393 E WALNUT ST
- City
- Pasadena
- ZIP
- 91101
- Coordinates
- 34.15040, -118.14224
Within ~650 m
Nearby office buildings
- 177 E COLORADO BLVD7 tenants
295,284 sq ft · 1970
- 385 E COLORADO BLVD1 tenants
262,988 sq ft · 2003
- 135 N LOS ROBLES AVE0 tenants
178,502 sq ft · 1988
- 680 E COLORADO BLVD11 tenants
148,214 sq ft · 2015
- 355 E COLORADO BLVD0 tenants
136,360 sq ft · 1963
- 595 E COLORADO BLVD12 tenants
122,189 sq ft · 1928
How does 393 E WALNUT ST compare with other Los Angeles office buildings?
At 332,753 sq ft, 393 E WALNUT ST is about 17 times the size of the average office building on the Los Angeles County roll, which comes to 19,230 sq ft across 19,626 buildings.
Its assessed value works out to $331 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 393 E WALNUT ST hold other Los Angeles office property?
Los Angeles County's published roll does not include owner names, so no owner is shown for any parcel in this metro.
What does “Office Building” mean for this parcel?
The Los Angeles County roll classifies AIN 5723004039 as “Office Building” (use code 1706). 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 393 E WALNUT ST?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 393 E WALNUT ST?
1 active business locations at this building appear in Los Angeles County public records, including KAISER FOUNDATION HOSPITALS. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 393 E WALNUT ST?
The Los Angeles County roll records 332,753 sq ft of building area, a build year of 1983.
What is the assessed value of 393 E WALNUT ST?
$110,168,321 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 393 E WALNUT ST?
AIN 5723004039, site address 393 E WALNUT ST, Pasadena. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 393 E WALNUT ST
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Los Angeles County — County Assessor annual roll (use codes, areas, values; California law redacts owner names from bulk data) and the city Office of Finance active-business registry, whose addresses carry floor and suite numbers.
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: Los Angeles County assessment roll, AIN 5723004039.
About this data
Source: County Assessor annual roll (Los Angeles County), as published September 20, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “393 E WALNUT ST, Pasadena, CA (AIN 5723004039)”, https://buildingcensus.com/offices/la/office-building-e0dd1b9e (data as of September 20, 2026).