Updated: Jun 04, 2026
Location and Projects
Address
1107 ELM ST, Roseville, CA, 95678
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Cobalt Construction
Serving Roseville, CA and the surrounding region, Cobalt Construction has over 35 years of experience in the construction industry. The firm is known for managing projects that range from new home construction to residential additions and renovations. Cobalt Construction handles a variety of property types, including single-family homes and light commercial spaces, with a focus on meeting the specific needs of each client and project. The company’s portfolio highlights the use of contemporary materials and up-to-date building techniques, with experience in both ground-up builds and extensive remodels. Cobalt Construction works closely with property owners throughout the project cycle, from initial planning stages to final build-out, ensuring each project is tailored to the property and local code requirements in the Roseville area.
Cobalt Construction Services
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Cobalt Construction Contact Information
Phone Number: (916) 879-0347
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Address: 1107 ELM ST, Roseville, CA 95678
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Cobalt Construction Roseville
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cobalt Construction has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
41 projects
|
2025 |
|
23 projects
|
2024 |
|
21 projects
|
2023 |
Our building permit records indicate that Cobalt Construction has worked on at least
85.0 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.
Experience
|
9 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Cobalt Construction mostly works on
home addition
projects.
Pricing
|
8 projects
|
< $5k |
|
52 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $10,000. This graph shows the distribution of these job values.
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.
Convert existing tuck under carport into (2) new adus. 1 bedroom apartment each 2 units per building 1st adu = 509sqft with an approx. 120sqft patio 2nd adu = 509sqft with an approx. 120sqft patio main address: 3670 andrews dr 1st adu new address: 3670 andrews dr unit #107 2nd adu new address: 3670 andrews dr unit #108 building o at eaves pleasanton
Valuation:
$80,000
Permit #:
B23-4505
Status:
issued
Fee:
$7,474
Permit Type:
N/A
Building Type:
N/A
Convert existing tuck under carport into (2) new adus. 1 bedroom apartment each 2 units per building 1st adu = 509sqft with an approx. 120sqft patio 2nd adu = 509sqft with an approx. 120sqft patio main address: 3620 andrews dr 1st adu new address: 3620 andrews dr unit #107 2nd adu new address: 3620 andrews dr unit #108 building j at eaves pleasanton
Valuation:
$80,000
Permit #:
B23-4504
Status:
issued
Fee:
$7,474
Permit Type:
N/A
Building Type:
N/A
Convert existing tuck under carport into (2) new adus. 1 bedroom apartment each 2 units per building 1st adu = 509sqft with an approx. 120sqft patio 2nd adu = 509sqft with an approx. 120sqft patio main address: 3480 andrews dr 1st adu new address: 3480 andrews dr unit #107 2nd adu new address: 3480 andrews dr unit #108 building h at eaves pleasanton
Valuation:
$80,000
Permit #:
B23-4503
Status:
issued
Fee:
$7,474
Permit Type:
N/A
Building Type:
N/A
Convert existing tuck under carport into (2) new adus. 1 bedroom apartment each 2 units per building 1st adu = 509sqft with an approx. 120sqft patio 2nd adu = 509sqft with an approx. 120sqft patio main address: 3460 andrews dr 1st adu new address: 3460 andrews dr unit #107 2nd adu new address: 3460 andrews dr unit #108 building f at eaves pleasanton
Valuation:
$80,000
Permit #:
B23-4500
Status:
issued
Fee:
$7,474
Permit Type:
N/A
Building Type:
N/A
Convert existing tuck under carport into (2) new adus. 1 bedroom apartment each 2 units per building 1st adu = 509sqft with an approx. 120sqft patio 2nd adu = 509sqft with an approx. 120sqft patio main address: 3440 andrews dr 1st adu new address: 3440 andrews dr unit #107 2nd adu new address: 3440 andrews dr unit #108 building d at eaves pleasanton
Valuation:
$80,000
Permit #:
B23-4495
Status:
issued
Fee:
$7,474
Permit Type:
N/A
Building Type:
N/A
As per smud requirements install 400amp duplex panel for adu tie in. install chase and cut over to tie in existing 100 amp residential panel on main house. replace existing meter panel with main house service disconnect tying into new 400 amp duplex panel. bp rbdlg-578347 (adu)
Valuation:
$5,100
Permit #:
590454
Status:
final
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Multi-family (alter/repair) - repair/replace siding
2025-10-01
Vehicular collision damage repair that occurred in june 2025 specific to unit #5/#3281. remove 4'x8 exterior plywood siding to repair. install new board and batten plywood siding and interior drywall in same area. **if any framing or structural damage is discovered during the repair a revision or separate permit and plans shall be required
Valuation:
$4,999
Permit #:
BD-2025-299210
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
City south apartments- fire repair - unit # 304-non sprinklered building : remove and replace damaged dry wall framing and affected siding; interior receptacles lighting fixtures to include rough electrical rewiring; replace wall and ceiling insulation interior drywall and spray finish; replacement of patio door and exterior storage room door; replace all fire damaged interior doors a... see more
Valuation:
$138,530
Permit #:
BD-2022-287586
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of electrical service from pg&e to the main house's electrical panel at 2670 bennett ridge road
Valuation:
N/A
Permit #:
BLD25-2403
Status:
issued
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2022-10-07
We will be replacing the water lines for new pex water lines apx 200ft of new pex going in home. old galvanized will be eliminated. will also be replacing water line from meter to front shut off valve apx 20-30 feet trench. also install new electrical receptacle outlet in bathroom area
Valuation:
$9,250
Permit #:
MISR2022-08697
Status:
complete
Fee:
$345
Permit Type:
N/A
Building Type:
N/A
Ceb25-0002: investigative permit to explore required work for vacant restaurant. additional scope may be required after site inspection
Valuation:
$25,000
Permit #:
BLD25-00630
Status:
issued
Fee:
$1,631
Permit Type:
N/A
Building Type:
N/A
Master plan - walkway/landing repair
Valuation:
$57,000
Permit #:
B25-0507
Status:
final
Fee:
$2,723
Permit Type:
R-alteration
Building Type:
N/A
Install temporary security fencing to perform work(b24-1276)
Valuation:
N/A
Permit #:
ENC25-0343
Status:
final
Fee:
$408
Permit Type:
Misc
Building Type:
N/A
Master plan - balcony guardrail repair & replace
Valuation:
$15,000
Permit #:
B25-0454
Status:
issued
Fee:
$1,003
Permit Type:
R-alteration
Building Type:
N/A
Master plan - balcony repair - replace guard rails
Valuation:
$15,000
Permit #:
B25-0118
Status:
final
Fee:
$1,168
Permit Type:
R-alteration
Building Type:
N/A
Per master plan b24-1031 - stair stringer reinforcement
Valuation:
$6,000
Permit #:
B25-0033
Status:
final
Fee:
$252
Permit Type:
R-alteration
Building Type:
N/A
Per master plan b24-1031 - stair stringer reinforcement
Valuation:
$6,000
Permit #:
B25-0032
Status:
final
Fee:
$252
Permit Type:
R-alteration
Building Type:
N/A
Balcony landing repairs per master plan b23-0128
Valuation:
$7,000
Permit #:
B25-0626
Status:
final
Fee:
$286
Permit Type:
R-alteration
Building Type:
N/A
Balcony landing repairs per master plan b23-0398
Valuation:
$13,000
Permit #:
B25-0438
Status:
final
Fee:
$442
Permit Type:
R-alteration
Building Type:
N/A
Balcony landing repairs per master plan b23-0398
Valuation:
$13,000
Permit #:
B25-0437
Status:
final
Fee:
$442
Permit Type:
R-alteration
Building Type:
N/A
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Cobalt Construction License info
Verified License
| License # | 1047201 |
| Status | Active |
| State | California |
| Type | General Building, Painting And Decorating, Manufactured Housing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cobalt 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 # | 1047201 |
| Status | Inactive |
| City | Butte County |
| Type | Contractor |
| Business Type | Sole Ownership |
- According to the Butte County, CA, 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 Cobalt Construction at the Butte County, CA.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
100
Permits
- Building permit records show that Cobalt Construction has worked on 100 permitted projects.
Cobalt Construction Employees
CB
Christopher Lee Bradford
Sole Owner