Updated: Feb 05, 2026
Location and Projects
Address
P O BOX 262, Danville, CA, 94526
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Gem Builders Construction
With over three decades of experience, Gem Builders operates in Danville, CA, providing construction and remodeling services throughout the East Bay. The company specializes in residential home renovations, including kitchen and bathroom remodels, room additions, and custom home building. Gem Builders’ portfolio highlights an array of completed projects in family homes, such as open-concept kitchen transformations, full bathroom upgrades, and new living spaces tailored for growing households. Serving homeowners in Danville and neighboring communities, Gem Builders manages each phase of construction, from initial design consultation through final inspection. The company is known for working collaboratively with clients to address practical needs and design preferences, bringing extensive local knowledge and technical skill to each project.
Gem Builders Services
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Gem Builders Contact Information
Phone Number: (925) 828-9020
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Address: P O BOX 262, Danville, CA 94526
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Gem Builders Danville
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gem Builders has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Gem Builders has worked on at least
7.0 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
|
3 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Fire damage repairs: remove and replace all sheetrock windows doors replace studs in areas indicated on plans replace some roof framing and reroof. also temp power and meter release reroof see permit birr22-004660 2/2/2024 permit renewal 50% fees paid lma
Valuation:
N/A
Permit #:
BIRP22-004026
Status:
expired
Fee:
$12,314
Permit Type:
N/A
Building Type:
N/A
Fire damage repairs: remove and replace all sheetrock windows doors replace studs in areas indicated on plans replace some roof framing and reroof. also temp power and meter release
Valuation:
$500,000
Permit #:
BISUB22-01191
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition 3011 sf addition garage 631 sf 399 sf deck 266 sf covered porch remodel interior kitchen bathroom w/pem
Valuation:
$945,611
Permit #:
B23-017323
Status:
issued
Fee:
$18,518
Permit Type:
N/A
Building Type:
N/A
Removing existing middle wall. all of the required engineering calculations including post foundation lateral load resistance point load and connections from old roof to new roof are provided along with engineer's signed letter
Valuation:
N/A
Permit #:
BLD2022-02680-002
Status:
triage
Fee:
$387
Permit Type:
N/A
Building Type:
N/A
Reconfigured bedroom #1 with new closet into the garage. extend hallway into existing garage. repurpose new w.i.c. to office. reconfigure new bathroom at bedroom #2. relocate egress window of bedroom #2. addition door and window at the garage. *separate permit is required for the jadu*
Valuation:
N/A
Permit #:
BLD2022-02680-003
Status:
canceled
Fee:
$264
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition: 270sf located in front of residence. addition of 130sf located in back. front addition includes 1 bedroom walk in closet and 1 bathroom. rear addition will be living/dining area
Valuation:
$80,000
Permit #:
BLD2022-02680
Status:
issued
Fee:
$3,247
Permit Type:
Addition
Building Type:
N/A
Addition of 466sf: new master and bathroom located on back of (e) residence. relocate kitchen and dining room to addition space convert area into bathroom and closet
Valuation:
$60,000
Permit #:
BLD2022-02651
Status:
issued
Fee:
$4,107
Permit Type:
Addition
Building Type:
N/A
*garden cottage program* 2 bedroom adu 1000 sf covered porch 122 sf w/pem
Valuation:
$208,135
Permit #:
B23-017314
Status:
final
Fee:
$5,848
Permit Type:
N/A
Building Type:
N/A
Demolish pool
Valuation:
$15,000
Permit #:
D25-000348
Status:
issued
Fee:
$488
Permit Type:
N/A
Building Type:
N/A
Addition attached cabana (conditioned) and expand bedroom #2; covert portion of garage to laundry room & office (conditioned); kitchen remodel-replace cabinets countertops sink and refrigerator; install led lighting
Valuation:
$102,000
Permit #:
D151091
Status:
final
Fee:
$1,003
Permit Type:
Add/alter single ...
Building Type:
N/A
Tenant improvement - encantro - outdoor dining area w/e
Valuation:
$17,000
Permit #:
B25-018638
Status:
issued
Fee:
$889
Permit Type:
N/A
Building Type:
N/A
Massone - kitchen remodel - remove existing appliances and electrical to install new appliances in same location addition 12 new led lights to replace existing lights this includes plumbing and electrical
Valuation:
N/A
Permit #:
BLD2019-05908
Status:
complete
Fee:
$843
Permit Type:
N/A
Building Type:
N/A
To convert 457 sf of (e) residence and addition of 304 sf creating 761 sf attached adu. creating 1bed 1bath unit
Valuation:
$70,000
Permit #:
BLD2026-01995
Status:
triage
Fee:
$4,553
Permit Type:
New accessory dwe...
Building Type:
N/A
Remodel kitchen and upstairs hall bathroom. phase 2 of project see bial20-009274 for phase 1
Valuation:
N/A
Permit #:
BIAL20-009514
Status:
final
Fee:
$492
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and master bathroom (same layout) w/electrical upgrades
Valuation:
$22,000
Permit #:
B20-0226
Status:
issued
Fee:
$791
Permit Type:
N/A
Building Type:
N/A
Addition 25 sf
Valuation:
$10,000
Permit #:
B22-016398
Status:
expired
Fee:
$596
Permit Type:
N/A
Building Type:
N/A
Converting 255 sf of garage to jadu. creating 1bath studio. (ccr w bld2024-05139)
Valuation:
$10,000
Permit #:
BLD2024-05139
Status:
canceled
Fee:
$3,717
Permit Type:
New accessory dwe...
Building Type:
N/A
Installation of non-load bearing walls in an existing family room to create a new bedroom
Valuation:
N/A
Permit #:
BLD2019-01215
Status:
complete
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
Remove and replace cabinets countertops sink hood appliances and electrical
Valuation:
N/A
Permit #:
BLD2019-04786
Status:
complete
Fee:
$761
Permit Type:
N/A
Building Type:
N/A
Remove 7 timber posts on pergola
Valuation:
$2,200
Permit #:
B20-014381
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
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Projects
Gem Builders Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Gem Builders License info
Verified License
| License # | 603664 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Gem Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Accredited Surety & Casualty Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
214
Permits
- Building permit records show that Gem Builders has worked on 214 permitted projects.
Gem Builders Employees
GM
Gabe Emile Moufarrej
Sole Owner