Updated: May 07, 2026
Location and Projects
Address
27349 DOBBEL AVE, Hayward, CA, 94542
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Gemini Design & Construction
Serving Hayward and the surrounding Bay Area, Gemini Design & Construction focuses on both residential and light commercial projects. With 37 years of experience, the company manages a range of construction services, including custom home builds, interior and exterior remodeling, and additions. Portfolio examples highlight major kitchen and bathroom remodels, open-concept living spaces, and outdoor decks and patios. Gemini Design & Construction also provides design-build services, integrating architectural planning with project execution to streamline the construction process. The company works with homeowners, property investors, and small business owners throughout Alameda County and neighboring communities. Known for managing projects from initial design consultation through completion, Gemini Design & Construction combines extensive experience with a scope of services tailored to clients seeking complete remodels or new construction solutions.
Gemini Design & Construction Services
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Gemini Design & Construction Contact Information
Phone Number: (510) 396-8499
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Address: 27349 DOBBEL AVE, Hayward, CA 94542
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Gemini Design & Construction Hayward
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gemini Design & Construction has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Gemini Design & Construction has worked on at least
2.0 projects over the past 2 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
|
2 projects
|
$100k-$250k |
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 Gemini Design & Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert existing basement to 1st floor living area
Valuation:
$190,000
Permit #:
BRADD-25-0018
Status:
withdrawn
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
325sqft addition to enlarge existing bedrooms. 236sqft covered patio. new 76sqft front porch. remodel kitchen
Valuation:
$195,000
Permit #:
BLD2022-01263
Status:
complete
Fee:
$4,694
Permit Type:
Addition
Building Type:
N/A
Commercial tenant improvement alteration remodel or repair
2021-03-02
Tenant improvement: restaurant (star chaat cuisine) install new kitchen plumbing equipment coolers remove portion of wall addition window new wet bar replace ceiling and finishes
Valuation:
$94,600
Permit #:
BLDG-2019-01888
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
166 sq. ft. addition of walk in closet and kitchen extension
Valuation:
$45,000
Permit #:
D200706
Status:
final
Fee:
$1,000
Permit Type:
Add/alter single ...
Building Type:
N/A
Extend existing balcony with stairs (156sf)
Valuation:
$10,000
Permit #:
BD-2020-277842
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
833 sq. ft. second story addition to create (3) bedrooms (1) full bathroom laundry area and a gameroom
Valuation:
N/A
Permit #:
BLD2021-00643
Status:
expired
Fee:
$5,287
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$120,000
Permit #:
ADU2021-0003
Status:
issued
Fee:
$5,762
Permit Type:
New
Building Type:
N/A
Replace front entry steps and landing
Valuation:
$5,500
Permit #:
B19-1266
Status:
final
Fee:
$865
Permit Type:
N/A
Building Type:
N/A
Bugayong residence: remove roof psl and related footings c
Valuation:
N/A
Permit #:
B-RV10-0022
Status:
final
Fee:
$315
Permit Type:
Rrv-res rev
Building Type:
N/A
Bugayong residence: modify foundation design under front of
Valuation:
N/A
Permit #:
B-RV10-0046
Status:
final
Fee:
$324
Permit Type:
Rrv-res rev
Building Type:
N/A
1842 sqft tenant improvments to existing dental office - reconfigure walls relocate and addition dental chairs (power and water changes) new lighting upgrade (e) bathroom to meet ada requirements
Valuation:
$184,200
Permit #:
B16-0120
Status:
final
Fee:
$5,025
Permit Type:
N/A
Building Type:
N/A
Bugayong residence: closeout of permit b-bp09-0449
Valuation:
N/A
Permit #:
B-ME17-0052
Status:
final
Fee:
$124
Permit Type:
Rme-mechanical
Building Type:
N/A
Bugayong residence: closeout of permit b-bp09-0449
Valuation:
$1,000
Permit #:
B-BP17-0062
Status:
final
Fee:
$324
Permit Type:
Rmc-misc struc/other
Building Type:
N/A
Bugayong residence: single story addition to side and rear
Valuation:
$181,292
Permit #:
B-BP09-0449
Status:
final
Fee:
$4,795
Permit Type:
Raa-addition/remodel
Building Type:
N/A
Bugayong residence: single story addition to side and rear
Valuation:
N/A
Permit #:
B-PL10-0005
Status:
final
Fee:
$488
Permit Type:
Rpl-plumbing
Building Type:
N/A
Bugayong residence: single story addition to side and rear
Valuation:
N/A
Permit #:
B-ME10-0003
Status:
final
Fee:
$251
Permit Type:
Rme-mechanical
Building Type:
N/A
Bugayong residence: single story addition to side and rear
Valuation:
N/A
Permit #:
B-PL11-0340
Status:
final
Fee:
$386
Permit Type:
Rpl-plumbing
Building Type:
N/A
Bugayong residence: single story addition to side and rear
Valuation:
N/A
Permit #:
B-ME11-0295
Status:
final
Fee:
$211
Permit Type:
Rme-mechanical
Building Type:
N/A
Bathroom renovation: move walls relocate bath/shower toilet & sink. relocate window add new door 36"
Valuation:
$0
Permit #:
BI-2009-2935
Status:
final
Fee:
$2,032
Permit Type:
N/A
Building Type:
N/A
Reylie's residential care -
Valuation:
N/A
Permit #:
BI-2009-2950
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Gemini Design & Construction License info
Verified License
| License # | 970535 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Gemini Design & Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 920113 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Gemini Design & Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
17
Permits
- Building permit records show that Gemini Design & Construction has worked on 17 permitted projects.
Gemini Design & Construction Employees
JS
Jaqueline Mendiola Santos
Officer
TJ
Thomas Comendador Santos Jr
Rmo/Ceo/Pres