Business location
Data-Driven Science
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 Details may be incomplete or outdated.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
- 1164976-10-171-1077919
- Status
- Location Ended
- City
- San Francisco
- State or territory
- California
- Address
- 4221 20th St Apt 4
- Postal code
- 94114
- Location start
- October 25, 2017
- Location identifier
- 1164976-10-171-1077919
- Ownership name (as reported)
- Jan Belke
- DBA name
- Data-Driven Science
- Location end (reported value)
- 05/01/2023
Names and reported roles
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- DBA name
- Data-Driven Science
Ownership names (as reported)
- Ownership name (as reported)
- Jan Belke
Download business record (JSON)
Directory details
Identifiers
- Business Account
- 1077919
- Location
- 1164976-10-171
Names
- Ownership As Reported
- Jan Belke
- Dba
- Data-Driven Science
Addresses
- Business · Text
- 4221 20th St Apt 4
- Business · City
- San Francisco
- Business · Region
- CA
- Business · Postal Code
- 94114
Dates
- Business Start
- 2017-10-25
- Business End
- 2023-05-01
- Location Start
- 2017-10-25
- Location End
- 2023-05-01
Taxes
- Parking Tax Reported
- No
- Transient Occupancy Tax Reported
- No
Geography
- Reported Point
- {"longitude":-122.435217,"latitude":37.757466}
- Supervisor District
- 8
- Neighborhood
- Castro/Upper Market
All reported fields
Other reported details
- Uniqueid
- 1164976-10-171-1077919
- Certificate number
- 1077919
- Ttxid
- 1164976-10-171
- Dba start date
- 10/25/2017
- Dba end date
- 05/01/2023
- Parking tax
- false
- Transient occupancy tax
- false
- Supervisor district
- 8
- Neighborhoods analysis boundaries
- Castro/Upper Market
- Data as of
- 2026/10/18 12:00:00 AM
- Data loaded at
- 2026/10/18 04:12:51 AM
- Current Supervisor Districts
- 5
- Analysis Neighborhoods
- 5
- Neighborhoods
- 115
- SF Find Neighborhoods
- 115
- Current Police Districts
- 3
Names and reported roles
- Ownership name (as reported)
- Jan Belke
- Dba name
- Data-Driven Science
Addresses and locations
- Full business address
- 4221 20th St Apt 4
- City
- San Francisco
- State
- CA
- Business zip
- 94114
- Location start date
- 10/25/2017
- Location end date
- 05/01/2023
- Location
- POINT (-122.435217 37.757466)