Updated: Jan 21, 2026
Location and Projects
Address
4351 MINES RD, Livermore, CA, 94550
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North Coast Development Construction
Serving Livermore, CA and the surrounding areas, North Coast Development brings 24 years of experience to a range of construction and development projects. The firm’s portfolio includes new construction and major remodels for both residential and commercial properties. With a focus on projects in the Tri-Valley and East Bay regions, North Coast Development is experienced in managing complex buildouts and renovations. Typical project types include custom homes, additions, tenant improvements, and commercial facility upgrades. The company has worked with private homeowners, investors, and local businesses, adapting solutions to address each client’s property goals. North Coast Development is known for coordinating all phases of construction, from site selection and permits through final build. The firm emphasizes efficient project management and practical building solutions tailored to the needs of the Livermore community.
North Coast Development Services
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North Coast Development Contact Information
Phone Number: (209) 404-2070
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Address: 4351 MINES RD, Livermore, CA 94550
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North Coast Development Livermore
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
North Coast Development has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
3 projects
|
2023 |
Our building permit records indicate that North Coast Development has worked on at least
3.0 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
|
$50k-$100k |
|
1 project
|
$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 North Coast Development
This is a sample of this contractor's permits. Click here to access their complete permit history.
Scope of work: - construct a (n) 659 sq ft detached adu @ rear lot of (e) main residence - adu consist of 2 bedrooms 1 bathroom (seperate toilet & shower) kitchen & living area - install (n) heat pump water heater & mini split system for adu - install (n) 100a sub panel for adu - 1.90 kw photovoltaic system
Valuation:
$99,423
Permit #:
2022 675642 RS
Status:
final
Fee:
$1,465
Permit Type:
2nd unit added
Building Type:
N/A
Tubbs-adobe fire 2017: rebuild 1915 sf sfd; original was 1418 sf; and 445 sf garage the following conditions are required: backflow: fire sprinklers will be required. a minimum 1” backflow device will be required per either current city standard city standard 875(double check backflow) or per city standard. 875f (in-line check backflow). see backflow brochure for more information wate... see more
Valuation:
$300,000
Permit #:
B19-2314
Status:
final
Fee:
$5,248
Permit Type:
N/A
Building Type:
N/A
Scope of work: -construct 500 sqft detached adu -adu to contain bedroom bathroom kitchen living area revision 7/24/20- revision s4 *cust. said- only increasing the ceiling height of the building from 8 to 9 which does not affect public work just planning and building
Valuation:
$61,000
Permit #:
2019 154008 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Detached rear yard adu (486 sq ft)
Valuation:
$200,000
Permit #:
BLD2021-00789
Status:
final
Fee:
$8,885
Permit Type:
Second dwelling unit
Building Type:
N/A
Scope of work to include: - construction of (n) 990 sq ft detached adu to rear lot of main residence - adu to consist of two bedrooms two bathrooms living and kitchen area - adu to have a (n) 63 sq ft attached front porch
Valuation:
$129,274
Permit #:
2021 035657 RS
Status:
issued
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Voluntary compliance - scope of work to include: legalize pre-converted 1, 029 sq ft attached adu with (n) kitchen laundry area bedroom and full bathroom
Valuation:
$134,367
Permit #:
2021 019372 RS
Status:
issued
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Building a detached backyard adu 546 sq ft
Valuation:
$200,000
Permit #:
BIR21-011536
Status:
withdrawn
Fee:
$1,169
Permit Type:
N/A
Building Type:
N/A
Scope of work to include: - convert (e) attached garage to a (n) 516 sq ft adu at main residence - adu to consist of one bedroom one bathroom and kitchen
Valuation:
$67,379
Permit #:
2021 035466 RS
Status:
issued
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Scope of work: construction of a new 675 sq. ft. detached second unit at the rear of residence addition associated electric plumbing and mechanical
Valuation:
$82,350
Permit #:
2019 145611 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Scope of work to include: - construction of (n) 615 sq ft detached adu to rear lot of residence
Valuation:
$80,307
Permit #:
2021 015210 RS
Status:
issued
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Building detached 440 sq.ft adu all associated electrical plumbing and mechanical as per approved plans. ***revised to addition new electrical service panel main house. 9.24.19-b.m
Valuation:
$52,118
Permit #:
2019 103222 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Scope of work existing 11 x 20 structure to be removed prior to construction of new adu building a (n) detached 492 sq.ft accessory dwelling unit (1 bedroom 1 bathroom 1 kitchen 1 living room)
Valuation:
$58,277
Permit #:
2018 137445 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Building a detached backyard adu
Valuation:
$200,000
Permit #:
BISUB21-00708
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
700 sq ft 1 bedroom secondary unit in rear yard all electrical plumbing and mechanical as per approved plans
Valuation:
$82,915
Permit #:
2018 143564 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Construction of a new 387 sq. ft. attatched second unit
Valuation:
$47,214
Permit #:
2019 128384 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Scope of work building a (n) detatched 492 sq.ft accessory dwelling unit
Valuation:
$58,277
Permit #:
2018 126663 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
1) addition of a new 492 sq ft detached 2nd livng unit in the rear yard
Valuation:
$58,277
Permit #:
2018 122571 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
New detached 492 sq ft 2nd unit
Valuation:
N/A
Permit #:
BIR20-011368
Status:
final
Fee:
$5,494
Permit Type:
N/A
Building Type:
N/A
Scope of work: new construction of 475 sq.ft. detached second unit
Valuation:
$53,509
Permit #:
2017 037674 RS
Status:
final
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Construction of a new detached 492 sq ft accessory dwelling unit
Valuation:
N/A
Permit #:
BLD2019-01643
Status:
complete
Fee:
$6,430
Permit Type:
N/A
Building Type:
N/A
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North Coast Development License info
Verified License
| License # | 806046 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for North Coast Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | Obsidian Specialty Insurance Company |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
37
Permits
- Building permit records show that North Coast Development has worked on 37 permitted projects.
North Coast Development Employees
DM
David Richard Madsen
Sole Owner