10300 COMPTON AVE
Professional services building · Los Angeles · 90002
At a glance
10300 COMPTON AVE in Los Angeles, CA is listed on the Los Angeles County property roll as “Professional services building”, AIN 6065019041. The roll records 63,791 sq ft of building area, a 1977 build year and an assessed value of $12,690,923. 2 active business locations at this address appear in public records.
Public record — 2 matched business locations
Tenants & business locations
| Company | Suite / floor | Since | Source | Match |
|---|---|---|---|---|
| WATTS HEALTH CARE CORP | — | Jan 1995 | LA business tax registry | address match · high |
| WATTS HEALTH FOUNDATION INC | — | Jul 1984 | LA business tax registry | address match · high |
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 6065019041 |
| Site address | 10300 COMPTON AVE |
| Land use (DOR) | 1900 — Professional services building |
| Building area (actual) | 63,791 sq ft |
| Floors / units / buildings | — / — / 1 |
| Lot size | — |
| Year built | 1977 |
| Zoning (primary) | — |
| Land value | $8,370,474 |
| Building value | — |
| Total assessed value | $12,690,923 |
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
- 10300 COMPTON AVE
- City
- Los Angeles
- ZIP
- 90002
- Coordinates
- 33.94234, -118.24539
Within ~650 m
Nearby office buildings
- 10221 S COMPTON AVE0 tenants
20,865 sq ft · 1997
- 10200 S SUCCESS AVE0 tenants
19,476 sq ft · 2021
- 9624 COMPTON AVE3 tenants
5,598 sq ft · 1925
- 9901 COMPTON AVE1 tenants
1,867 sq ft · 1954
- 1673 E 108TH ST1 tenants
732 sq ft · 1923
How does 10300 COMPTON AVE compare with other Los Angeles office buildings?
At 63,791 sq ft, 10300 COMPTON 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 $199 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 10300 COMPTON 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 “Professional Building” mean for this parcel?
The Los Angeles County roll classifies AIN 6065019041 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 10300 COMPTON AVE?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 10300 COMPTON AVE?
2 active business locations at this building appear in Los Angeles County public records, including WATTS HEALTH CARE CORP, WATTS HEALTH FOUNDATION INC. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 10300 COMPTON AVE?
The Los Angeles County roll records 63,791 sq ft of building area, a build year of 1977.
What is the assessed value of 10300 COMPTON AVE?
$12,690,923 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 10300 COMPTON AVE?
AIN 6065019041, site address 10300 COMPTON AVE, Los Angeles. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 10300 COMPTON 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 6065019041.
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, “10300 COMPTON AVE, Los Angeles, CA (AIN 6065019041)”, https://buildingcensus.com/offices/la/office-building-a34a96d1 (data as of September 20, 2026).