120 W HELLMAN AVE
Professional services building · Monterey Park · 91754
At a glance
120 W HELLMAN AVE in Monterey Park, CA is listed on the Los Angeles County property roll as “Professional services building”, AIN 5255002104. The roll records 27,834 sq ft of building area, a 2020 build year and an assessed value of $22,487,205.
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 | 5255002104 |
| Site address | 120 W HELLMAN AVE |
| Land use (DOR) | 1913 — Professional services building |
| Building area (actual) | 27,834 sq ft |
| Floors / units / buildings | — / — / 1 |
| Lot size | — |
| Year built | 2020 |
| Zoning (primary) | — |
| Land value | $4,785,840 |
| Building value | — |
| Total assessed value | $22,487,205 |
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
- 120 W HELLMAN AVE
- City
- Monterey Park
- ZIP
- 91754
- Coordinates
- 34.06953, -118.12417
Within ~650 m
Nearby office buildings
- Parcel 52550100240 tenants
46,656 sq ft · 1974
- 600 N GARFIELD AVE0 tenants
42,919 sq ft · 1983
- 616 N GARFIELD AVE1 tenants
18,315 sq ft · 1963
- 1680 S GARFIELD AVE0 tenants
15,314 sq ft · 1990
- 605 N GARFIELD AVE0 tenants
12,818 sq ft · 1980
- 420 N GARFIELD AVE0 tenants
10,867 sq ft · 1994
How does 120 W HELLMAN AVE compare with other Los Angeles office buildings?
At 27,834 sq ft, 120 W HELLMAN AVE is about 45% larger 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 $808 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 120 W HELLMAN 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 5255002104 as “Professional Building” (use code 1913). 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 120 W HELLMAN AVE?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 120 W HELLMAN 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 120 W HELLMAN AVE?
The Los Angeles County roll records 27,834 sq ft of building area, a build year of 2020.
What is the assessed value of 120 W HELLMAN AVE?
$22,487,205 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 120 W HELLMAN AVE?
AIN 5255002104, site address 120 W HELLMAN AVE, Monterey Park. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 120 W HELLMAN 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 5255002104.
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, “120 W HELLMAN AVE, Monterey Park, CA (AIN 5255002104)”, https://buildingcensus.com/offices/la/office-building-e652b0c7 (data as of September 20, 2026).