650 W CIENEGA AVE
Office building — one story · San Dimas · 91773
At a glance
650 W CIENEGA AVE in San Dimas, CA is listed on the Los Angeles County property roll as “Office building — one story”, AIN 8382001085. The roll records 51,152 sq ft of building area, a 1989 build year and an assessed value of $4,155,850.
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 | 8382001085 |
| Site address | 650 W CIENEGA AVE |
| Land use (DOR) | 1702 — Office building — one story |
| Building area (actual) | 51,152 sq ft |
| Floors / units / buildings | — / 1 / 1 |
| Lot size | — |
| Year built | 1989 |
| Zoning (primary) | — |
| Land value | $1,203,008 |
| Building value | — |
| Total assessed value | $4,155,850 |
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
- 650 W CIENEGA AVE
- City
- San Dimas
- ZIP
- 91773
- Coordinates
- 34.10268, -117.81882
Within ~650 m
Nearby office buildings
- 400 W COVINA BLVD1 tenants
152,368 sq ft · 1989
- 650 CLIFFSIDE DR0 tenants
53,639 sq ft · 1986
- 620 W COVINA BLVD0 tenants
52,153 sq ft · 1984
- 541 W TERRACE DR0 tenants
30,080 sq ft · 1973
- 530 W BONITA AVE0 tenants
10,845 sq ft · 1989
- 502 W BONITA AVE0 tenants
9,032 sq ft · 1980
How does 650 W CIENEGA AVE compare with other Los Angeles office buildings?
At 51,152 sq ft, 650 W CIENEGA AVE is about 3 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 $81 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 650 W CIENEGA AVE 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 8382001085 as “Office Building” (use code 1702). 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 650 W CIENEGA AVE?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 650 W CIENEGA AVE?
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 650 W CIENEGA AVE?
The Los Angeles County roll records 51,152 sq ft of building area, a build year of 1989.
What is the assessed value of 650 W CIENEGA AVE?
$4,155,850 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 650 W CIENEGA AVE?
AIN 8382001085, site address 650 W CIENEGA AVE, San Dimas. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 650 W CIENEGA AVE
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 8382001085.
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, “650 W CIENEGA AVE, San Dimas, CA (AIN 8382001085)”, https://buildingcensus.com/offices/la/office-building-2c31dc45 (data as of September 20, 2026).