Updated: Feb 26, 2026
Location and Projects
Address
403 THROCKMORTON AVENUE, Mill Valley, CA, 94941
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Tim Walsh Builders Construction
Serving Mill Valley and the surrounding areas of Marin County, Tim Walsh Builders Inc specializes in residential remodels with a particular focus on major home renovation projects. Owner Tim Walsh, based at 403 Throckmorton Ave. in Mill Valley, is directly involved in client projects and is known for maintaining clear communication throughout the construction process. Clients such as those from Novato report long-term relationships with the company, reflecting projects that bring homeowner visions to life. With 28 years of experience in the local market, Tim Walsh Builders Inc. handles remodels for clients who value reliability and established expertise in residential construction.
Tim Walsh Builders Inc Services
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Tim Walsh Builders Inc Contact Information
Phone Number: (415) 381-9806
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Address: 403 THROCKMORTON AVENUE, Mill Valley, CA 94941
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Tim Walsh Builders Inc Mill Valley
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tim Walsh Builders Inc has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Tim Walsh Builders Inc 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 |
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 Tim Walsh Builders Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolish extension rafters and beam over patio du rto termite and rot damage. brick columns to remain
Valuation:
$16,000
Permit #:
B2025-2164
Status:
issued
Fee:
$391
Permit Type:
Minor interior de...
Building Type:
N/A
Addition new living space/kitchen remodel
Valuation:
N/A
Permit #:
BR21-256
Status:
final
Fee:
$7,402
Permit Type:
Full construction
Building Type:
N/A
Residential non-structural bathroom remodel
Valuation:
N/A
Permit #:
B-044723
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace sheet rock off walls and celing in bedroom express
Valuation:
$25,000
Permit #:
162894
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Replace existing retaining wall
Valuation:
N/A
Permit #:
B-036080
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen and bathroom remodel per plans
Valuation:
$70,000
Permit #:
B2017-2735
Status:
final
Fee:
$1,264
Permit Type:
Res-oss
Building Type:
N/A
Rpc sagging beam in attached carport
Valuation:
N/A
Permit #:
B1806-161
Status:
final
Fee:
$268
Permit Type:
Alter-sfd
Building Type:
N/A
Apartment 314e - int remodel to (e) 2 bedroom condo unit within 4 unit residential building. removeal of portion of non structural int walls new kitche counters & appliances new int doors & ele/lighting. one window converted from casement no other exterior change
Valuation:
$130,000
Permit #:
201904057221
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Reval
Valuation:
$15,311
Permit #:
REVAL-000389
Status:
final
Fee:
$608
Permit Type:
Residential
Building Type:
N/A
Kitchen remodel new cabinets appliances floor counters electrical plumbing fisture paint and floor. powder room. move non load bearing wall and install new vanity/sink
Valuation:
$75,000
Permit #:
201203276979
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Repair to front found incl waterproofing; rebuild front stairs. t.d. 3-3-20
Valuation:
$15,000
Permit #:
164595
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Drainage improvements northend
Valuation:
N/A
Permit #:
B-035533
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition new carport & garage
Valuation:
N/A
Permit #:
P1612-058
Status:
final
Fee:
$102
Permit Type:
Alter-sfd
Building Type:
N/A
Addition new carport & garage
Valuation:
N/A
Permit #:
M1612-047
Status:
final
Fee:
$102
Permit Type:
Alter-sfd
Building Type:
N/A
Addition new carport & garage
Valuation:
N/A
Permit #:
E1612-072
Status:
final
Fee:
$102
Permit Type:
Alter-sfd
Building Type:
N/A
Addition new carport & garage
Valuation:
N/A
Permit #:
B1611-129
Status:
final
Fee:
$5,214
Permit Type:
Alter-sfd
Building Type:
N/A
Voluntary structural upgrade of ground floor
Valuation:
$20,000
Permit #:
201506118745
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Kitchen and bathroom remodel per plans
Valuation:
$70,000
Permit #:
B2017-2735
Status:
final
Fee:
$1,263
Permit Type:
Res-oss
Building Type:
N/A
1121b (3rd/f) - move bathroom door replace window enlarge closet
Valuation:
$5,000
Permit #:
201406108013
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Kitchen remodel
Valuation:
N/A
Permit #:
B1504-081
Status:
final
Fee:
$1,411
Permit Type:
Alter-sfd
Building Type:
N/A
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193
BZ Score
$200K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
-
Projects
192
BZ Score
$30K
Avg Project
-
Projects
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Verified License
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Tim Walsh Builders Inc License info
Verified License
| License # | 350371 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Tim Walsh Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
40
Permits
- Building permit records show that Tim Walsh Builders Inc has worked on 40 permitted projects.
Tim Walsh Builders Inc Employees
TW
Timothy Edward Walsh
Rmo / Ceo / Pres