300 MONTEREY RD
Office building — one story · South Pasadena · 91030
At a glance
300 MONTEREY RD in South Pasadena, CA is listed on the Los Angeles County property roll as “Office building — one story”, AIN 5313017902. The roll records 1,404 sq ft of building area, a 1981 build year.
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 | 5313017902 |
| Site address | 300 MONTEREY RD |
| Land use (DOR) | 1700 — Office building — one story |
| Building area (actual) | 1,404 sq ft |
| Floors / units / buildings | — / 1 / 1 |
| Lot size | — |
| Year built | 1981 |
| Zoning (primary) | — |
| Land value | — |
| Building value | — |
| Total assessed value | — |
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
- 300 MONTEREY RD
- City
- South Pasadena
- ZIP
- 91030
- Coordinates
- 34.11189, -118.16925
Within ~650 m
Nearby office buildings
- 145 PASADENA AVE0 tenants
41,151 sq ft · 1947
- 520 MISSION ST0 tenants
7,089 sq ft · 1966
- 507 MISSION ST0 tenants
6,460 sq ft · 1927
- 1022 ARROYO DR0 tenants
4,988 sq ft · 1954
- 525 MISSION ST0 tenants
4,800 sq ft · 1950
- 526 MISSION ST0 tenants
4,096 sq ft · 1974
How does 300 MONTEREY RD compare with other Los Angeles office buildings?
At 1,404 sq ft, 300 MONTEREY RD is less than a tenth the size of the average office building on the Los Angeles County roll, which comes to 19,230 sq ft across 19,626 buildings.
Does the owner of 300 MONTEREY RD 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 5313017902 as “Office Building” (use code 1700). 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 300 MONTEREY RD?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 300 MONTEREY RD?
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 300 MONTEREY RD?
The Los Angeles County roll records 1,404 sq ft of building area, a build year of 1981.
What is the AIN for 300 MONTEREY RD?
AIN 5313017902, site address 300 MONTEREY RD, South Pasadena. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 300 MONTEREY RD
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 5313017902.
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, “300 MONTEREY RD, South Pasadena, CA (AIN 5313017902)”, https://buildingcensus.com/offices/la/office-building-317cb12c (data as of September 20, 2026).