Updated: Nov 04, 2025
Location and Projects
Address
PO Box 9480, Santa Rosa, CA, 95405
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Mb Design Group Construction
Based in Santa Rosa, MB Design Group serves clients throughout Sonoma County with residential design and home remodeling services. The firm specializes in home additions, interior remodels, kitchen and bathroom renovations, as well as new custom home designs. With over two decades of experience, MB Design Group guides homeowners from initial concept through construction drawings and permit applications. The company’s portfolio highlights projects that maximize natural light, integrate open floor plans, and update homes to meet contemporary needs while respecting each property's architectural context. MB Design Group works directly with clients to create tailored design solutions, addressing the unique requirements of Sonoma County properties, including hillside sites and rural lots. Services include site planning, drafting, and coordination with local permitting agencies.
Mb Design Group Services
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Mb Design Group Contact Information
Phone Number: (707) 566-4700
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Address: PO Box 9480, Santa Rosa, CA 95405
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Mb Design Group Santa Rosa
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mb Design Group has a BuildZoom score of 102, which places them above 89% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
3 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Mb Design Group has worked on at least
12.0 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
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Mb Design Group mostly works on
home addition
projects.
Pricing
|
1 project
|
$50k-$100k |
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.
Revised scope of work to rebuild portion of guest house dry rot repair to existing guest house current permit is bld24-6977 reduce scope of work to roof area only. *-demolish dry rot area to roof framing & roof sheathing *-rebuild dry rot area to roof framing & roof sheathing
Valuation:
N/A
Permit #:
BLD24-6977.R01
Status:
complete
Fee:
$563
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel and addition of 93 sf at the main level. convert 206 sf of cathedral ceiling area into upper level office & loft area within the existing building envelope. install new heat pump water heater
Valuation:
$100,000
Permit #:
BLDR-2025-0427
Status:
issued
Fee:
$6,967
Permit Type:
N/A
Building Type:
N/A
2020 lnu complex fire - (revision: updated plans for attic ventilation & updated t-24 energy documents) - 2216 sqft sfd; 564 sqft att'd garage; 810 sqft covered porch - evt20-00017
Valuation:
N/A
Permit #:
BLD22-3090.R01
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Legalize electrify entry gate with key pad & details vbu24-0523
Valuation:
N/A
Permit #:
BLD25-1852
Status:
issued
Fee:
$1,251
Permit Type:
N/A
Building Type:
N/A
Legalize electrify entry gate with key pad & details vbu24-0523
Valuation:
N/A
Permit #:
BLD25-1206
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Field revisions - addition 6'-0 extension to existing family room revised construction drawings for this area additional conditioned square footage proposed
Valuation:
N/A
Permit #:
BLD23-5099.R01
Status:
complete
Fee:
$929
Permit Type:
N/A
Building Type:
N/A
Kitchen & family room remodel 522sf
Valuation:
$85,000
Permit #:
B25-0078
Status:
final
Fee:
$2,546
Permit Type:
Single family dwe...
Building Type:
N/A
Revised upper right corner of new family room wall to be angled revision is bubble and noted as rev-3 attached structural calculations
Valuation:
N/A
Permit #:
BLD22-4494.R01
Status:
plancheck
Fee:
$92
Permit Type:
N/A
Building Type:
N/A
Field revisions: new wall framing added new windows added demo'd existing roof framing members new roof framing members added new porch area added no new sq. ft
Valuation:
N/A
Permit #:
BLD20-6000.R01
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Submitting final review for calgreen review - soldata submitting final review for foundation review - pjc & associates
Valuation:
N/A
Permit #:
BLD19-7649.R01
Status:
complete
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
New residential addition:780 sq ft upper floor game room addition addition 129 sq ft to (e) porch
Valuation:
N/A
Permit #:
BLD21-4844
Status:
issued
Fee:
$5,286
Permit Type:
N/A
Building Type:
N/A
Smoke detector form as requested by building inspector
Valuation:
N/A
Permit #:
BLD23-7744.R01
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
258 sf addition kitchen remodel
Valuation:
N/A
Permit #:
BLD19-7649
Status:
final
Fee:
$3,321
Permit Type:
N/A
Building Type:
N/A
*school fee form sent 7/22/2023* remodel (303 sf) & addition (546 sf) with new covered porch (160 sf)
Valuation:
N/A
Permit #:
BLD22-0975
Status:
plancheck
Fee:
$2,019
Permit Type:
N/A
Building Type:
N/A
Install floor lift from laundry to main
Valuation:
N/A
Permit #:
B2010-158
Status:
final
Fee:
$2,465
Permit Type:
Alter-sfd
Building Type:
N/A
New deck area/plans submitted & to be added to existing permit as requested by building inspector
Valuation:
N/A
Permit #:
BLD22-3887.R01
Status:
complete
Fee:
$1,024
Permit Type:
N/A
Building Type:
N/A
Truss calculations - submitted to review & approval bld24-2956
Valuation:
N/A
Permit #:
BLD24-2956.R01
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install residential elevator
Valuation:
N/A
Permit #:
B-037016
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Field revisions to previously permitted plans
Valuation:
N/A
Permit #:
BLD17-5725.R01
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Enclose portion of covered area attached to existing ag barn (499 sf)
Valuation:
N/A
Permit #:
BLD23-7212
Status:
canceled
Fee:
$233
Permit Type:
N/A
Building Type:
N/A
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Mb Design Group License info
License Not Required
| Status | Not Required |
- BuildZoom verified in January, 2021 that this contractor does not need a license to be a contractor in California.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
34
Permits
- Building permit records show that Mb Design Group has worked on 34 permitted projects.