Business location
Def Communications
This listing describes a business location. Location dates are not company formation dates.
Record reference date: October 18, 2026. Details may be incomplete or outdated.
- Record type
- Business location
- Record identifier
- 0310230-01-001-0310230
- Status
- Location Ended
- City
- San Francisco
- State or territory
- California
- Address
- 181 23rd Ave
- Postal code
- 94121
- Location start
- February 15, 2000
- Location identifier
- 0310230-01-001-0310230
- Ownership name (as reported)
- Fraser Diane E
- DBA name
- Def Communications
- Location end (reported value)
- 11/01/2025
Names and reported roles
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- DBA name
- Def Communications
Ownership names (as reported)
- Ownership name (as reported)
- Fraser Diane E
Download business record (JSON)
Directory details
Identifiers
- Business Account
- 0310230
- Location
- 0310230-01-001
Names
- Ownership As Reported
- Fraser Diane E
- Dba
- Def Communications
Addresses
- Business · Text
- 181 23rd Ave
- Business · City
- San Francisco
- Business · Region
- CA
- Business · Postal Code
- 94121
Dates
- Business Start
- 1997-01-01
- Business End
- 2025-11-01
- Location Start
- 2000-02-15
- Location End
- 2025-11-01
Taxes
- Parking Tax Reported
- No
- Transient Occupancy Tax Reported
- No
Geography
- Reported Point
- {"longitude":-122.483106,"latitude":37.784394}
- Supervisor District
- 1
- Neighborhood
- Outer Richmond
All reported fields
Other reported details
- Uniqueid
- 0310230-01-001-0310230
- Certificate number
- 0310230
- Ttxid
- 0310230-01-001
- Dba start date
- 01/01/1997
- Dba end date
- 11/01/2025
- Parking tax
- false
- Transient occupancy tax
- false
- Supervisor district
- 1
- Neighborhoods analysis boundaries
- Outer Richmond
- Data as of
- 2026/10/18 12:00:00 AM
- Data loaded at
- 2026/10/18 04:12:51 AM
- Current Supervisor Districts
- 4
- Analysis Neighborhoods
- 29
- Neighborhoods
- 2
- SF Find Neighborhoods
- 2
- Current Police Districts
- 8
Names and reported roles
- Ownership name (as reported)
- Fraser Diane E
- Dba name
- Def Communications
Addresses and locations
- Full business address
- 181 23rd Ave
- City
- San Francisco
- State
- CA
- Business zip
- 94121
- Location start date
- 02/15/2000
- Location end date
- 11/01/2025
- Location
- POINT (-122.483106 37.784394)