Updated: Apr 05, 2026
Location and Projects
Address
PO BOX 1231, Ripon, CA, 95366
Use our bidding system to
request a quote
William Mulder Construction
Serving Ripon, California, William Mulder brings over three decades of experience in the construction industry. Over his 34 years in business, Mulder has taken on projects within the local area, offering services that draw on a long history in the field. While specific specialties and project types are not detailed in available materials, his longevity reflects extensive familiarity with construction practices in Ripon and the surrounding region. William Mulder works with property owners seeking seasoned expertise for their building or remodeling needs.
William Mulder Services
Start a project today:
William Mulder Contact Information
Phone Number: (209) 679-5446
Edit
Address: PO BOX 1231, Ripon, CA 95366
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition to e single family residence to include master bedroom bathroom
Valuation:
N/A
Permit #:
BP-2002791
Status:
notice of code violation
Fee:
$2,128
Permit Type:
N/A
Building Type:
N/A
New single family dwelling w attached garage replacing dwelling c/s keyes rd
Valuation:
N/A
Permit #:
BLD2019-2750
Status:
final
Fee:
$7,075
Permit Type:
Residential repla...
Building Type:
Residential
Electrical service replacement & window change out c/s langworth rd
Valuation:
N/A
Permit #:
BLD2019-2000
Status:
final
Fee:
$235
Permit Type:
Other
Building Type:
Residential
Install and connect new sewer line to city main
Valuation:
$98,230
Permit #:
2019000207
Status:
issued
Fee:
N/A
Permit Type:
plumbing commercial
Building Type:
N/A
Pwsolid sw-const: solid waste construction pw: pw - public works
2019-08-23
N/a
Valuation:
N/A
Permit #:
SW-1903659
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 3 bedroom 2 bathroom single family residence with office family room covered porch patio attached 3 car garage with storage
Valuation:
N/A
Permit #:
BP-1903659
Status:
complete
Fee:
$11,987
Permit Type:
N/A
Building Type:
N/A
Remodel addition to convert bedroom to den addition bedroom bathroom and closet remove replace water heater for single family residence
Valuation:
N/A
Permit #:
BP-1802539
Status:
complete
Fee:
$1,665
Permit Type:
N/A
Building Type:
N/A
Disconnect clubhouse from septic and connect to city sewer (( 2 septics to be demolished )) c/s hwy 108 120
Valuation:
N/A
Permit #:
BLD2019-0942
Status:
issued
Fee:
$961
Permit Type:
N/A
Building Type:
N/A
Extend living room bed room kitchen addition of bed room front porch rear patio carport to existng single family residence
Valuation:
N/A
Permit #:
BP-1400344
Status:
complete
Fee:
$2,434
Permit Type:
N/A
Building Type:
N/A
Remodel dwelling (furr in walls rewire new panel replumbing hvac & ductwork enclose 4 exterior doors & windows replace porch) c/s langworth rd
Valuation:
N/A
Permit #:
BLD2019-2247
Status:
final
Fee:
$1,707
Permit Type:
N/A
Building Type:
Residential
Detached pool house with bathroom and game room
Valuation:
N/A
Permit #:
BP-1404297
Status:
complete
Fee:
$2,781
Permit Type:
N/A
Building Type:
N/A
Residence addition. 2274sf bd/bath living spc/and new attached garage
Valuation:
N/A
Permit #:
BP2022-0348
Status:
final
Fee:
$16,323
Permit Type:
Addition
Building Type:
N/A
Detached garage with covered porch and ag storage room w lights plugs
Valuation:
N/A
Permit #:
BP-1200131
Status:
complete
Fee:
$2,035
Permit Type:
N/A
Building Type:
N/A
1177 sqft detached pool house
Valuation:
$0
Permit #:
PS-1403498
Status:
APPLIED
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Bldres sfr: single family residence bldg: cdd -building
2004-05-19
Replacement 3 bedroom w office single family residence with attached garage and covered patios front and rear (demo bp-0402145)
Valuation:
$358,541
Permit #:
BP-0402141
Status:
final
Fee:
$5,263
Permit Type:
N/A
Building Type:
N/A
Detached restrm building with attached patio cover
Valuation:
N/A
Permit #:
BP-1302580
Status:
complete
Fee:
$1,178
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$355,538
Permit #:
BLD2000-44344
Status:
final
Fee:
$15,442
Permit Type:
Production
Building Type:
N/A
No Description Available
Valuation:
$275,000
Permit #:
479275-0
Status:
final
Fee:
$13,899
Permit Type:
Production
Building Type:
N/A
Bldres sfr: single family residence bldg: cdd -building
2002-06-19
3 bedroom single family residence w/game room office, great room attached 3 car garage front porch and rear patio cover
Valuation:
$206,801
Permit #:
BP-0202229
Status:
final
Fee:
$8,625
Permit Type:
N/A
Building Type:
N/A
Ip: improvement plan for a private right of way to access apn 257-050-37 from airport way. **** lcoation: on the south sie of airport way 3440 feet north of division avenue south of manteca
Valuation:
$0
Permit #:
PA-0800115
Status:
FINAL
Fee:
$341
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
242
BZ Score
$59K
Avg Project
-
Projects
246
BZ Score
$30K
Avg Project
-
Projects
175
BZ Score
$25K
Avg Project
-
Projects
William Mulder Reviews
BuildZoom hasn't received any reviews for William Mulder. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
William Mulder License info
Verified License
| License # | 401736 |
| 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 William Mulder at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
49
Permits
- Building permit records show that William Mulder has worked on 49 permitted projects.
William Mulder Employees
WM
William John Mulder
Owner