511 WASHINGTON BLVD
Office building — one story · Montebello · 90640
At a glance
511 WASHINGTON BLVD in Montebello, CA is listed on the Los Angeles County property roll as “Office building — one story”, AIN 6352023060. The roll records 10,800 sq ft of building area, a 1972 build year and an assessed value of $486,312. 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 |
|---|---|---|---|---|
| KAOUMI BROTHERS INCORPORATION | — | Aug 2026 | LA business tax registry | address · medium |
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 6352023060 |
| Site address | 511 WASHINGTON BLVD |
| Land use (DOR) | 1700 — Office building — one story |
| Building area (actual) | 10,800 sq ft |
| Floors / units / buildings | — / 1 / 1 |
| Lot size | — |
| Year built | 1972 |
| Zoning (primary) | — |
| Land value | $110,054 |
| Building value | — |
| Total assessed value | $486,312 |
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
- 511 WASHINGTON BLVD
- City
- Montebello
- ZIP
- 90640
- Coordinates
- 33.99260, -118.11432
Within ~650 m
Nearby office buildings
- 420 WASHINGTON BLVD0 tenants
12,562 sq ft · 1963
- 100 WASHINGTON BLVD1 tenants
9,476 sq ft · 2014
- 410 WASHINGTON BLVD0 tenants
8,018 sq ft · 1968
- 1014 S MONTEBELLO BLVD1 tenants
7,732 sq ft · 1960
- 817 WASHINGTON BLVD0 tenants
4,461 sq ft · 1968
- 825 WASHINGTON BLVD0 tenants
3,284 sq ft · 1963
How does 511 WASHINGTON BLVD compare with other Los Angeles office buildings?
At 10,800 sq ft, 511 WASHINGTON BLVD is about 44% 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 $45 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 511 WASHINGTON BLVD 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 6352023060 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 511 WASHINGTON BLVD?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 511 WASHINGTON BLVD?
1 active business locations at this building appear in Los Angeles County public records, including KAOUMI BROTHERS INCORPORATION. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 511 WASHINGTON BLVD?
The Los Angeles County roll records 10,800 sq ft of building area, a build year of 1972.
What is the assessed value of 511 WASHINGTON BLVD?
$486,312 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 511 WASHINGTON BLVD?
AIN 6352023060, site address 511 WASHINGTON BLVD, Montebello. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 511 WASHINGTON BLVD
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 6352023060.
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, “511 WASHINGTON BLVD, Montebello, CA (AIN 6352023060)”, https://buildingcensus.com/offices/la/office-building-c7f749f7 (data as of September 20, 2026).