305 W MAIN ST
Professional services building · Alhambra · 91801
At a glance
305 W MAIN ST in Alhambra, CA is listed on the Los Angeles County property roll as “Professional services building”, AIN 5338035017. The roll records 36,241 sq ft of building area, a 1926 build year and an assessed value of $7,955,984.
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.
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 5338035017 |
| Site address | 305 W MAIN ST |
| Land use (DOR) | 1900 — Professional services building |
| Building area (actual) | 36,241 sq ft |
| Floors / units / buildings | — / — / 1 |
| Lot size | — |
| Year built | 1926 |
| Zoning (primary) | — |
| Land value | $2,601,075 |
| Building value | — |
| Total assessed value | $7,955,984 |
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
- 305 W MAIN ST
- City
- Alhambra
- ZIP
- 91801
- Coordinates
- 34.09383, -118.13050
Within ~650 m
Nearby office buildings
- 700 W MAIN ST0 tenants
117,433 sq ft · 1990
- 100 N STONEMAN AVE0 tenants
87,048 sq ft
- 200 S GARFIELD AVE1 tenants
25,555 sq ft · 1983
- 600 W MAIN ST0 tenants
21,600 sq ft · 1933
- 210 N GARFIELD AVE0 tenants
20,254 sq ft · 1952
- 1 W BAY STATE ST0 tenants
19,824 sq ft · 1955
How does 305 W MAIN ST compare with other Los Angeles office buildings?
At 36,241 sq ft, 305 W MAIN ST is about 88% larger than 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 $220 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 305 W MAIN 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 “Professional Building” mean for this parcel?
The Los Angeles County roll classifies AIN 5338035017 as “Professional Building” (use code 1900). 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 305 W MAIN ST?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 305 W MAIN 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 305 W MAIN ST?
The Los Angeles County roll records 36,241 sq ft of building area, a build year of 1926.
What is the assessed value of 305 W MAIN ST?
$7,955,984 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 305 W MAIN ST?
AIN 5338035017, site address 305 W MAIN ST, Alhambra. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 305 W MAIN 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 5338035017.
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, “305 W MAIN ST, Alhambra, CA (AIN 5338035017)”, https://buildingcensus.com/offices/la/office-building-c9fd8bf5 (data as of September 20, 2026).