150 N WALNUT AVE
Office building — one story · San Dimas · 91773
At a glance
150 N WALNUT AVE in San Dimas, CA is listed on the Los Angeles County property roll as “Office building — one story”, AIN 8390010025. The roll records 8,248 sq ft of building area, a 1988 build year and an assessed value of $1,729,050. 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 |
|---|---|---|---|---|
| DSE ELECTRIC INC. | SUITE #B | Apr 2015 | LA business tax registry | address match · high |
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 8390010025 |
| Site address | 150 N WALNUT AVE |
| Land use (DOR) | 1700 — Office building — one story |
| Building area (actual) | 8,248 sq ft |
| Floors / units / buildings | — / 1 / 1 |
| Lot size | — |
| Year built | 1988 |
| Zoning (primary) | — |
| Land value | $1,037,430 |
| Building value | — |
| Total assessed value | $1,729,050 |
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
- 150 N WALNUT AVE
- City
- San Dimas
- ZIP
- 91773
- Coordinates
- 34.10753, -117.80245
Within ~650 m
Nearby office buildings
- 170 ARROW HWY0 tenants
11,559 sq ft · 2006
- 178 ARROW HWY0 tenants
11,350 sq ft · 2006
- 180 ARROW HWY0 tenants
10,768 sq ft · 2006
- 168 E ARROW HWY1 tenants
10,768 sq ft · 2006
- 160 E ARROW HWY0 tenants
9,440 sq ft · 2006
- 188 ARROW HWY0 tenants
9,344 sq ft · 2006
How does 150 N WALNUT AVE compare with other Los Angeles office buildings?
At 8,248 sq ft, 150 N WALNUT AVE is about 57% smaller 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 $210 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 150 N WALNUT 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 8390010025 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 150 N WALNUT AVE?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 150 N WALNUT AVE?
1 active business locations at this building appear in Los Angeles County public records, including DSE ELECTRIC INC.. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 150 N WALNUT AVE?
The Los Angeles County roll records 8,248 sq ft of building area, a build year of 1988.
What is the assessed value of 150 N WALNUT AVE?
$1,729,050 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 150 N WALNUT AVE?
AIN 8390010025, site address 150 N WALNUT AVE, San Dimas. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 150 N WALNUT 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 8390010025.
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, “150 N WALNUT AVE, San Dimas, CA (AIN 8390010025)”, https://buildingcensus.com/offices/la/office-building-cab7f31d (data as of September 20, 2026).