Updated: Apr 15, 2026
Location and Projects
Address
4200 CALIFORNIA STREET STE 111, San Francisco, CA, 94118
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Earthquake Enterprises Construction
Serving San Francisco and the Bay Area for over three decades, Earthquake Enterprises Inc specializes in seismic retrofitting and foundation repair for residential and commercial properties. The company focuses on improving the structural integrity of buildings in seismic zones, with a portfolio that includes soft‐story retrofits, foundation replacements, and structural upgrades. Projects frequently involve upgrades to apartment buildings, single-family homes, and mixed-use properties throughout San Francisco neighborhoods such as the Richmond District, Sunset, and the Mission. Earthquake Enterprises Inc utilizes modern engineering solutions and approved materials to help properties comply with local seismic safety ordinances. With 33 years of experience, the firm’s work addresses the unique seismic challenges faced by Bay Area buildings, providing tailored reinforcement and repair services based on each structure’s needs.
Earthquake Enterprises Inc Services
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Earthquake Enterprises Inc Contact Information
Phone Number: (415) 750-9595
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Address: 4200 CALIFORNIA STREET STE 111, San Francisco, CA 94118
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Earthquake Enterprises Inc San Francisco
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Earthquake Enterprises Inc has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
45 projects
|
2025 |
|
56 projects
|
2024 |
|
52 projects
|
2023 |
Our building permit records indicate that Earthquake Enterprises Inc has worked on at least
153.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Earthquake Enterprises Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Work category: 1p; cap off laundry hot and cold line drain line and branch for floor drain in closet
Valuation:
N/A
Permit #:
PW20250226381
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; removal and replacement of (2) pool boilers serial #'s v452200275 and 2109530030
Valuation:
N/A
Permit #:
PW20250123554
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit to resolve complaint #202533321 divert boiler drain to floor drain in building side alley
Valuation:
N/A
Permit #:
PP20250402442
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; removal and replacement of boiler make up backflow device serial # w233366
Valuation:
N/A
Permit #:
PW20250203815
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove and replace boiler make up backflow device serial # w134307
Valuation:
N/A
Permit #:
PW20250313761
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove and replace standard service backflow device serial # 707663
Valuation:
N/A
Permit #:
PW20250313759
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove and replace standard service backflow device serial # 5367
Valuation:
N/A
Permit #:
PW20250128664
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; removal and replacement of steam boiler serial # 518739-200507
Valuation:
N/A
Permit #:
PW20250425811
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace steam boiler serial # 61-81006-1095
Valuation:
N/A
Permit #:
PW20250505019
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace hot water boiler serial # 932 l94 25842
Valuation:
N/A
Permit #:
PW20250505016
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace hot water boiler serial # g02-69432
Valuation:
N/A
Permit #:
PW20250428851
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace hot water boiler serial # mc011015702
Valuation:
N/A
Permit #:
PW20250303445
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace hot water boiler serial # h85-95535
Valuation:
N/A
Permit #:
PW20250207932
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove and replace backflow device serial # 63327
Valuation:
N/A
Permit #:
PW20250415554
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace hydronic boiler serial # 08198092
Valuation:
N/A
Permit #:
PW20250407336
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; decommission of boiler serial # 1516m001306
Valuation:
N/A
Permit #:
PW20250428854
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace boiler serial # d04in 0240
Valuation:
N/A
Permit #:
PW20250113278
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 8p; remove and replace hot water boiler serial# 050021000 and hydronic boiler serial# 12989250. remove and replace backflow device for boiler make up serial# 147550
Valuation:
N/A
Permit #:
PW20220627686
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; remove (2) backflow devices for fire service (serial# 104878) and fire bypass (serial# 150454). replace with new fire service and fire bypass backflow devices
Valuation:
N/A
Permit #:
PW20220112905
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 11p; replace backflow device serial # 46688
Valuation:
N/A
Permit #:
PW20250428857
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Earthquake Enterprises Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Earthquake Enterprises Inc License info
Verified License
| License # | 664033 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing, Electrical, Boiler, Hot Water Heating And Steam Fitting, Fire Protection |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Earthquake Enterprises Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
610
Permits
- Building permit records show that Earthquake Enterprises Inc has worked on 610 permitted projects.
Earthquake Enterprises Inc Employees
BH
Ben Hetherington
Rme
SH
Susan Hetherington
Officer
WH
William Hetherington
Rmo/Ceo/Pres