1621 1ST ST
Office building — one story · San Fernando · 91340
At a glance
1621 1ST ST in San Fernando, CA is listed on the Los Angeles County property roll as “Office building — one story”, AIN 2520011045. The roll records 11,759 sq ft of building area, a 1948 build year and an assessed value of $1,836,675. 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 |
|---|---|---|---|---|
| CHALK HOUSE INC | UNIT #3 | Apr 2023 | LA business tax registry | address match · high |
| SOCAL THOROUGH LLC | UNIT #107 | Aug 2016 | LA business tax registry | address match · high |
Los Angeles County assessment roll
Parcel record
| Field | Value |
|---|---|
| AIN | 2520011045 |
| Site address | 1621 1ST ST |
| Land use (DOR) | 1700 — Office building — one story |
| Building area (actual) | 11,759 sq ft |
| Floors / units / buildings | — / — / 2 |
| Lot size | — |
| Year built | 1948 |
| Zoning (primary) | — |
| Land value | $934,254 |
| Building value | — |
| Total assessed value | $1,836,675 |
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
- 1621 1ST ST
- City
- San Fernando
- ZIP
- 91340
- Coordinates
- 34.28832, -118.44385
Within ~650 m
Nearby office buildings
- 1600 SAN FERNANDO RD1 tenants
26,620 sq ft · 1973
- 301 S MACLAY AVE0 tenants
13,924 sq ft · 1955
- 456 SAN FERNANDO MISSION BLVD0 tenants
10,141 sq ft · 1960
- 400 SAN FERNANDO MISSION BLVD1 tenants
7,933 sq ft · 1971
- 1671 SAN FERNANDO RD0 tenants
7,775 sq ft · 2017
- 418 SAN FERNANDO MISSION BLVD0 tenants
5,250 sq ft · 1957
How does 1621 1ST ST compare with other Los Angeles office buildings?
At 11,759 sq ft, 1621 1ST ST is about 39% 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 $156 per square foot of building area, against $306 across all office floor area on the roll.
Does the owner of 1621 1ST 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 “Office Building” mean for this parcel?
The Los Angeles County roll classifies AIN 2520011045 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 1621 1ST ST?
Los Angeles County's published roll does not include owner names, so no owner is shown.
What companies have offices at 1621 1ST ST?
2 active business locations at this building appear in Los Angeles County public records, including CHALK HOUSE INC, SOCAL THOROUGH LLC. Public records under-count tenants that don't hold a local receipt or register the address.
How big is 1621 1ST ST?
The Los Angeles County roll records 11,759 sq ft of building area, a build year of 1948.
What is the assessed value of 1621 1ST ST?
$1,836,675 on the Los Angeles County roll. Assessed values are taxable-roll figures, not market prices.
What is the AIN for 1621 1ST ST?
AIN 2520011045, site address 1621 1ST ST, San Fernando. It is the key to look the parcel up in the County Assessor annual roll (Los Angeles County).
More around 1621 1ST 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 2520011045.
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, “1621 1ST ST, San Fernando, CA (AIN 2520011045)”, https://buildingcensus.com/offices/la/office-building-2babfe41 (data as of September 20, 2026).