Business location
Engineering Infrastructure Ser
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 Details may be incomplete or outdated.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
- 0438836-01-001-0438836
- Status
- Location Ended
- City
- San Francisco
- State or territory
- California
- Address
- 520 6th St Apt 4
- Postal code
- 94103
- Location start
- June 1, 2009
- Location identifier
- 0438836-01-001-0438836
- Ownership name (as reported)
- Kwong Susan W
- DBA name
- Engineering Infrastructure Ser
- Location end (reported value)
- 05/01/2025
Names and reported roles
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- DBA name
- Engineering Infrastructure Ser
Ownership names (as reported)
- Ownership name (as reported)
- Kwong Susan W
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Directory details
Identifiers
- Business Account
- 0438836
- Location
- 0438836-01-001
Names
- Ownership As Reported
- Kwong Susan W
- Dba
- Engineering Infrastructure Ser
Addresses
- Business · Text
- 520 6th St Apt 4
- Business · City
- San Francisco
- Business · Region
- CA
- Business · Postal Code
- 94103
- Mailing · Street 1
- 426 Funston Ave
- Mailing · City
- San Francisco
- Mailing · Region
- CA
- Mailing · Postal Code
- 94118
Dates
- Business Start
- 2009-06-01
- Location Start
- 2009-06-01
- Location End
- 2025-05-01
Industry
- Naics Code
- 541512
Taxes
- Parking Tax Reported
- No
- Transient Occupancy Tax Reported
- No
Geography
- Reported Point
- {"longitude":-122.402199638,"latitude":37.775735461}
- Supervisor District
- 6
- Community Benefit District
- SoMa West
- Neighborhood
- South of Market
All reported fields
Other reported details
- Uniqueid
- 0438836-01-001-0438836
- Certificate number
- 0438836
- Ttxid
- 0438836-01-001
- Dba start date
- 06/01/2009
- Parking tax
- false
- Transient occupancy tax
- false
- Supervisor district
- 6
- Community benefit district
- SoMa West
- Neighborhoods analysis boundaries
- South of Market
- Data as of
- 2026/10/18 12:00:00 AM
- Data loaded at
- 2026/10/18 04:12:51 AM
- Current Supervisor Districts
- 10
- Analysis Neighborhoods
- 34
- Neighborhoods
- 32
- SF Find Neighborhoods
- 32
- Current Police Districts
- 1
Names and reported roles
- Ownership name (as reported)
- Kwong Susan W
- Dba name
- Engineering Infrastructure Ser
Addresses and locations
- Full business address
- 520 6th St Apt 4
- City
- San Francisco
- State
- CA
- Business zip
- 94103
- Location start date
- 06/01/2009
- Location end date
- 05/01/2025
- Location
- POINT (-122.402199638 37.775735461)
Mailing information
- Mailing address 1
- 426 Funston Ave
- Mail city
- San Francisco
- Mail state
- CA
- Mail zipcode
- 94118
Industry and classification
- Self reported naics code
- 541512