WILLIAM BLAIR & COMPANY, L.L.C.
ActiveInvestment Banking and Securities Intermediation · Los Angeles County, CA
At a glance
Public records place WILLIAM BLAIR & COMPANY, L.L.C. at 1 active location in 1 Los Angeles office building. Locations include 1900 AVENUE OF THE STARS (SUITE #500).
Public record — Los Angeles County
Office locations (1 active)
| Building | Suite / floor | Submarket | Since | Source | Match |
|---|---|---|---|---|---|
| 1900 AVENUE OF THE STARS | SUITE #500 | Los Angeles | Dec 2024 | LA business tax registry | address match · high |
Where does WILLIAM BLAIR & COMPANY, L.L.C. operate in Los Angeles?
The earliest active record dates from Dec 2024.
Across Los Angeles, 55,341 active business locations are matched to office buildings; WILLIAM BLAIR & COMPANY, L.L.C. accounts for 1 of them.
How does BuildingCensus know WILLIAM BLAIR & COMPANY, L.L.C. is at these addresses?
Each location is a business record whose premises address was matched to a county office parcel (record types on this page: LA business tax registry). The match method and confidence are shown on every row.
A record at an address is evidence that the business operates there, not a lease: records lag moves by months, and businesses without a local record at an address do not appear.
Frequently asked questions
Where are WILLIAM BLAIR & COMPANY, L.L.C.'s offices in Los Angeles?
Public records place WILLIAM BLAIR & COMPANY, L.L.C. at 1 active location in Los Angeles County: 1900 AVENUE OF THE STARS (SUITE #500).
How long has WILLIAM BLAIR & COMPANY, L.L.C. been at its Los Angeles locations?
The earliest active record starts Dec 2024. Start dates are when the record was opened, which can trail the actual move-in.
Related
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.
Dataset updated . Locations from Los Angeles County business records matched to county office parcels.
About this data
Source: County Assessor annual roll (Los Angeles County), as published October 5, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “WILLIAM BLAIR & COMPANY, L.L.C. — Los Angeles office locations”, https://buildingcensus.com/offices/la/companies/william-blair-company-l-l-c (data as of October 5, 2026).