Harrigan Weidenmuller Co
ActiveBusiness · San Francisco, CA
At a glance
Public records place Harrigan Weidenmuller Co at 1 active location in 1 San Francisco office building. Locations include 300 MONTGOMERY ST (STE 800).
Public record — San Francisco
Office locations (1 active)
| Building | Suite / floor | Submarket | Since | Source | Match |
|---|---|---|---|---|---|
| 300 MONTGOMERY ST | STE 800 | San Francisco | Oct 1968 | SF registered business | address · medium |
Where does Harrigan Weidenmuller Co operate in San Francisco?
The earliest active record dates from Oct 1968.
Across San Francisco, 9,124 active business locations are matched to office buildings; Harrigan Weidenmuller Co accounts for 1 of them.
How does BuildingCensus know Harrigan Weidenmuller Co 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: SF registered business). 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 Harrigan Weidenmuller Co's offices in San Francisco?
Public records place Harrigan Weidenmuller Co at 1 active location in San Francisco: 300 MONTGOMERY ST (STE 800).
How long has Harrigan Weidenmuller Co been at its San Francisco locations?
The earliest active record starts Oct 1968. Start dates are when the record was opened, which can trail the actual move-in.
Related
Data provenance — public records only
- San Francisco — Assessor secured roll (use classes, stories, areas, assessed values — California law excludes owner names from open data, and no bulk sale-price source exists), the universal registered-business roll with suite-level addresses, and current energy benchmarking joined by parcel.
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 San Francisco business records matched to county office parcels.
About this data
Source: Assessor secured roll (San Francisco), as published October 11, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Harrigan Weidenmuller Co — San Francisco office locations”, https://buildingcensus.com/offices/sf/companies/harrigan-weidenmuller-co (data as of October 11, 2026).