400 W 30TH ST
Professional services building · Los Angeles · 90007
At a glance
400 W 30TH ST in Los Angeles, CA is listed on the Los Angeles County property roll as “Professional services building”, AIN 5122018033. The roll records 39,381 sq ft of building area, a 1964 build year and an assessed value of $14,339,059. 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 |
|---|---|---|---|---|
| Z VALET INC | — | Jan 2012 | LA business tax registry | address match · high |
| PLANNED PARENTHOOD LOS ANGELES | — | Oct 1984 | LA business tax registry | address match · high |
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 5122018033 |
| Site address | 400 W 30TH ST |
| Land use (DOR) | 1900 — Professional services building |
| Building area (actual) | 39,381 sq ft |
| Floors / units / buildings | — / — / 1 |
| Lot size | — |
| Year built | 1964 |
| Zoning (primary) | — |
| Land value | $6,983,069 |
| Building value | — |
| Total assessed value | $14,339,059 |
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
- 400 W 30TH ST
- City
- Los Angeles
- ZIP
- 90007
- Coordinates
- 34.02354, -118.27562
Within ~650 m
Nearby office buildings
- 2601 S FIGUEROA ST3 tenants
422,637 sq ft · 1922
- 3442 S GRAND AVE0 tenants
353,009 sq ft · 1966
- Parcel 51220210100 tenants
98,891 sq ft · 1928
- 3500 S HOPE ST0 tenants
49,830 sq ft · 1928
- 3500 S FIGUEROA ST1 tenants
41,029 sq ft
- 2700 S GRAND AVE0 tenants
20,586 sq ft · 1946
How does 400 W 30TH ST compare with other Los Angeles office buildings?
At 39,381 sq ft, 400 W 30TH ST is about twice 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 $364 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 400 W 30TH 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 5122018033 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 400 W 30TH ST?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 400 W 30TH ST?
2 active business locations at this building appear in Los Angeles County public records, including Z VALET INC, PLANNED PARENTHOOD LOS ANGELES. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 400 W 30TH ST?
The Los Angeles County roll records 39,381 sq ft of building area, a build year of 1964.
What is the assessed value of 400 W 30TH ST?
$14,339,059 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 400 W 30TH ST?
AIN 5122018033, site address 400 W 30TH ST, Los Angeles. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 400 W 30TH 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 5122018033.
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, “400 W 30TH ST, Los Angeles, CA (AIN 5122018033)”, https://buildingcensus.com/offices/la/office-building-2e8e3d70 (data as of September 20, 2026).