Updated: Jan 30, 2026
Location and Projects
Address
P O BOX 878, Mill Valley, CA, 94942
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Buildergirl Design & Construction
Buildergirl Design & Construction is led by Tina, a contractor and designer with 36 years of experience in residential construction. Based in Mill Valley, the company serves Marin County and the greater Bay Area, focusing on both residential renovations and new home construction. Tina’s expertise covers a range of home styles—including cottage, storybook, bungalow, mid-century, and modern designs—offering services for both small and large-scale projects. Her approach incorporates a designer’s perspective with a practical understanding of how living spaces are used, resulting in inviting interiors and enhanced curb appeal. Buildergirl specializes in high-quality work on single-family homes, reflecting a broad portfolio of design and construction solutions tailored to the preferences and needs of Bay Area homeowners.
Buildergirl Design & Construction Services
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Buildergirl Design & Construction Contact Information
Phone Number: (805) 471-4263
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Address: P O BOX 878, Mill Valley, CA 94942
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Buildergirl Design & Construction Mill Valley
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Buildergirl Design & Construction has a BuildZoom score of 109, which places them above 95% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
6 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Buildergirl Design & Construction has worked on at least
16.0 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
|
4 projects
|
Home Additions |
|
6 projects
|
Multi-room remodels |
|
4 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Buildergirl Design & Construction mostly works on
multi-room remodel
and kitchen remodel
projects.
Pricing
|
3 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $34,000. 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.
Building Permits by Buildergirl Design & Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace s f d with new; a d u; covered porches; decks; soaking tub - continuous foundation: 1 permit
Valuation:
$1,800,000
Permit #:
177250
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Residential interior alteration in an existing wood framed single family residence. replace all windows and exterior doors in kind with no changes to (e) window configuration operation and rough openings
Valuation:
$650,000
Permit #:
202010076049
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Residential replace failing wood and concrete retaining wall
Valuation:
N/A
Permit #:
REVAL-048798
Status:
final
Fee:
$3,196
Permit Type:
Residential
Building Type:
N/A
Demolish & rebld s f d; coverd porch
Valuation:
$400,000
Permit #:
163053
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Kitchen remodel trellis rear addition full bathroom
Valuation:
$454,196
Permit #:
BR24-043
Status:
final
Fee:
$18,322
Permit Type:
Full construction
Building Type:
N/A
Residential - demolish e single family residence + new single family residence
Valuation:
N/A
Permit #:
B-043978
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Revision to pa 2020-1007-6049 to replace (e) water damaged front landing w/(n) landing & entry stair
Valuation:
$5,000
Permit #:
202203291123
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Residential nonstructural kitchen and bathroom
2024-07-03
Residential remodel kitchen baths fireplace insert wall
Valuation:
N/A
Permit #:
B-047221
Status:
triage
Fee:
$1,251
Permit Type:
N/A
Building Type:
N/A
Lane closure for crane replace water meter/line
Valuation:
N/A
Permit #:
EP24-140
Status:
final
Fee:
$290
Permit Type:
Encroachment
Building Type:
N/A
Cut sidewalk for 2 sump drain to street swale
Valuation:
$100
Permit #:
DPW-046573
Status:
filed
Fee:
$70
Permit Type:
Other
Building Type:
N/A
Residential small residential addition and remodel (approx 5
Valuation:
N/A
Permit #:
B-041330
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Conversion of existing accessory structure into adu
Valuation:
N/A
Permit #:
B2009-157
Status:
final
Fee:
$6,221
Permit Type:
New adu unit
Building Type:
N/A
Residential - replacement of exist 28 tall wood retaining
Valuation:
N/A
Permit #:
B-044666
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential sewer lateral repair- special condition
Valuation:
$2,500
Permit #:
B-041917
Status:
final
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Residential- remove and replace deck
Valuation:
N/A
Permit #:
B-046141
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Dirt box to collect spoils from foundation trench
Valuation:
$200
Permit #:
DPW-045886
Status:
final
Fee:
$384
Permit Type:
Parking only
Building Type:
N/A
Pg&e reschedule of gas main connection
Valuation:
N/A
Permit #:
DPW-002777
Status:
issued
Fee:
$70
Permit Type:
Road closure
Building Type:
N/A
Residential - installation of temporary power pole only
Valuation:
$100
Permit #:
B-043950
Status:
final
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
Residential exploratory demolish of non-bearing wall
Valuation:
$400
Permit #:
B-044164
Status:
final
Fee:
$477
Permit Type:
N/A
Building Type:
N/A
Remodel existing first floor and basement to single family dwelling
Valuation:
N/A
Permit #:
B-036631
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
187
BZ Score
$30K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
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Projects
Buildergirl Design & Construction Reviews
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Verified License
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Buildergirl Design & Construction License info
Verified License
| License # | 567634 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Buildergirl Design & Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 567634 |
| Status | Active |
| City | Novato |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of February, 2018. Check the current license status of Buildergirl Design & Construction with the The City of Novato, CA
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | Exempt |
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
44
Permits
- Building permit records show that Buildergirl Design & Construction has worked on 44 permitted projects.
Buildergirl Design & Construction Employees
BC
Buildergirl Design And Construction
Owner
TH
Tina Marie Humphrey
Sole Owner