Updated: Mar 25, 2026
Location and Projects
Address
3810 RAAP AVE, Martinez, CA, 94553
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James Wimmer Construction
James Wimmer, 3810 Raap Ave, Martinez, CA (Owned by: James Patrick Wimmer) holds a Painting And Decorating, General Building license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring James Wimmer, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
James Wimmer Services
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James Wimmer Contact Information
Phone Number: (925) 787-8489
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Address: 3810 RAAP AVE, Martinez, CA 94553
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James Wimmer Martinez
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
James Wimmer has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that James Wimmer 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
|
$5k-$20k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
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.
Residence bldg; not an adu addition 252 sq ft
Valuation:
$352,300
Permit #:
B2024-0283
Status:
final
Fee:
$9,581
Permit Type:
Addition
Building Type:
N/A
Residence bldg; replace sliding dr winow & patch shingles (notes)
Valuation:
$20,000
Permit #:
B2025-0384
Status:
final
Fee:
$887
Permit Type:
Window replacement
Building Type:
N/A
Rev to pa201912240442: replace (e) substandard (unreinforced shallow deptch & cracked) concrete footings and conc. pedestals with (n) continuous foots. repair floor & walls in (e) bathroom damaged by dry rot
Valuation:
$10,000
Permit #:
202101152799
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel: kitchen bathroom & dining room; relocate laundry
Valuation:
$200,000
Permit #:
174697
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Convert portion of exiting basement and room into family room and bathroom. all work is within existing building envelope (i.e. no vertical or horizontal extension)
Valuation:
$50,000
Permit #:
201912240442
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Service upgrade replace circuits outlets; replace ductwork;
2023-10-10
Update existing electrical panel with new panel. move hvac furnace from existing interior closet to garage. new ductwork
Valuation:
$7,500
Permit #:
B35725
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Remove wall and install new beam to reconfigure kitchen with new island replace cabinets and countertops. new powder room and relocate laundry relocate window replace one with new door new skylights. new lights. per plans as of 9-16-2013 addition tankless water heater to job discription//dcf 10-10--13: addition fireplace insert to scope of work
Valuation:
N/A
Permit #:
BIAL13-006827
Status:
final
Fee:
$2,807
Permit Type:
N/A
Building Type:
N/A
Electrical for building permit# 2019-1224-0442; conversion of basement space into family room laundry storage; addition subpanel with 7 circuits to power outlets lights hvac
Valuation:
N/A
Permit #:
E202101121169
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for building
Valuation:
N/A
Permit #:
PP20210112739
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac
Valuation:
N/A
Permit #:
PM20210112743
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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James Wimmer Reviews
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James Wimmer License info
Verified License
| License # | 747021 |
| Status | Active |
| State | California |
| Type | Painting And Decorating, General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for James Wimmer 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 | Business Alliance Insurance Company |
| Bond Value | $15,000 |
James Wimmer Employees
JW
James Patrick Wimmer
Owner