# The Fun Quantum — Business location in San Francisco, CA · 0457021-01-001-0457021 | US Business Lookup

> Business location record for The Fun Quantum in San Francisco, CA. Record 0457021-01-001-0457021. View reported facts, available details and record dates.

Source page: https://usbusinesslookup.com/records/sf/0457021-01-001-0457021
Canonical page: https://usbusinesslookup.com/records/sf/0457021-01-001-0457021
Scope: public directory information, not independent verification. Reported dates do not guarantee current operations.

## Page content

Public records / Business locations

Business location

## The Fun Quantum

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 Details may be incomplete or outdated.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: 0457021-01-001-0457021

Status: Location Ended

City: San Francisco

State or territory: California

Address: 505 Montgomery St 1100

Postal code: 94111

Location start: February 25, 2011

Location identifier: 0457021-01-001-0457021

Ownership name (as reported): Sosa Johan S

DBA name: The Fun Quantum

Location end (reported value): 06/30/2018

### Names and reported roles

Roles are shown as reported. Agents, officers and principals are not automatically owners.

### Business names

DBA name: The Fun Quantum

### Ownership names (as reported)

Ownership name (as reported): Sosa Johan S

Download business record (JSON)

### Directory details

### Identifiers

Business Account: 0457021

Location: 0457021-01-001

### Names

Ownership As Reported: Sosa Johan S

Dba: The Fun Quantum

### Addresses

Business · Text: 505 Montgomery St 1100

Business · City: San Francisco

Business · Region: CA

Business · Postal Code: 94111

### Dates

Business Start: 2011-02-25

Business End: 2018-06-30

Location Start: 2011-02-25

Location End: 2018-06-30

### Location

Administratively Closed: Yes

### Taxes

Parking Tax Reported: No

Transient Occupancy Tax Reported: No

### Geography

Reported Point: {"longitude":-122.4031545,"latitude":37.793997}

Supervisor District: 3

Community Benefit District: Downtown

Neighborhood: Chinatown

### All reported fields

### Other reported details

Uniqueid: 0457021-01-001-0457021

Certificate number: 0457021

Ttxid: 0457021-01-001

Dba start date: 02/25/2011

Dba end date: 06/30/2018

Administratively closed: ***Administratively Closed

Parking tax: false

Transient occupancy tax: false

Supervisor district: 3

Community benefit district: Downtown

Neighborhoods analysis boundaries: Chinatown

Data as of: 2026/10/18 12:00:00 AM

Data loaded at: 2026/10/18 04:12:51 AM

Current Supervisor Districts: 3

Analysis Neighborhoods: 6

Neighborhoods: 104

SF Find Neighborhoods: 104

Current Police Districts: 6

### Names and reported roles

Ownership name (as reported): Sosa Johan S

Dba name: The Fun Quantum

### Addresses and locations

Full business address: 505 Montgomery St 1100

City: San Francisco

State: CA

Business zip: 94111

Location start date: 02/25/2011

Location end date: 06/30/2018

Location: POINT (-122.4031545 37.793997)

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