Updated: Mar 25, 2026
Location and Projects
Address
25 WOODSIDE LANE, Mill Valley, CA, 94941
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Michael E Walsh General Building Contractor
Serving Mill Valley and the surrounding communities of Marin County, Michael E Walsh General Building Contractor brings over four decades of residential construction experience to a wide range of custom home and remodeling projects. Founded by Michael E. Walsh, the firm specializes in new home construction, whole-house renovations, kitchen and bathroom remodels, and structural upgrades for single-family residences. The company’s portfolio highlights work in upscale neighborhoods throughout Marin, featuring projects such as contemporary hillside homes and traditional renovations that integrate modern design elements. Michael E. Walsh is actively involved in project management and collaborates with local architects and designers to ensure seamless construction from planning through completion. The firm is noted for its use of sustainable building practices and its ability to work within the unique constraints of Marin’s building sites, including steep lots and stringent zoning requirements.
Michael E Walsh General Building Contractor Services
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Michael E Walsh General Building Contractor Contact Information
Phone Number: (415) 310-0475
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Address: 25 WOODSIDE LANE, Mill Valley, CA 94941
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Building Permits by Michael E Walsh General Building Contractor
This is a sample of this contractor's permits. Click here to access their complete permit history.
Otay mesa-nestor; combination building permit for a 2-story accessory building on a lot with an existing sdu and shed. new 2 story accessory building will have a garage on the first floor and a storage unit on the second floor. base zone rs-1-7 geo 52 transit priority area
Valuation:
$48,880
Permit #:
2564322
Status:
issued
Fee:
$1,118
Permit Type:
Add/alt 1 or 2 fa...
Building Type:
N/A
Remove door and exterior stair from north wall and replace w
Valuation:
N/A
Permit #:
B-035997
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Skyline-paradise hills: combination permit for proposed detached manufactured adu at rear of an existing single family residence. rm-1-1 geo haz 53
Valuation:
$112,317
Permit #:
2530727
Status:
complete
Fee:
$2,664
Permit Type:
Add/alt companion...
Building Type:
N/A
Demolish portion of (e) one story 1459 sq ft residence and demolish all walls to foundation and rebuild new 2967 sq ft 2 story residence with new 144 sq ft covered porch. ( existing foundation to remain in some places) permit includes septic tank abatement and compaction report. lw 9/18/12
Valuation:
$204,291
Permit #:
2012 005808 RS
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct 21 high sound wall to replace (e) 6 high chainlink fence. (approx 510 linear feet)
Valuation:
$125,000
Permit #:
2015 021651 CI
Status:
Under Inspection
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathroom and lighting
Valuation:
N/A
Permit #:
B-034101
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish vacant office building
Valuation:
N/A
Permit #:
RB1604337
Status:
final
Fee:
$1,923
Permit Type:
N/A
Building Type:
N/A
Interior remodel #3
Valuation:
N/A
Permit #:
B-033743
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Second unit zoning permit request for a zoning permit for an 840 sq ft detached second dwelling unit with an unfinished area under dwelling due to slope on 3.14 acres
Valuation:
$0
Permit #:
ZPE06-0051
Status:
DONE
Fee:
$493
Permit Type:
N/A
Building Type:
N/A
Install cleanout and back water prevention device at foundat
Valuation:
N/A
Permit #:
DPW-001346
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install cleanout and back water prevention device at foundat
Valuation:
N/A
Permit #:
DPW-001345
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install cleanout with backwater prevention device at foundat
Valuation:
N/A
Permit #:
DPW-001344
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathroom and lighting
Valuation:
N/A
Permit #:
B-034101
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial- window replacement- 2 front windows
Valuation:
N/A
Permit #:
B-038717
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renew permit bld03-0916 hvac upgrade & new electrical svc for digital transmitter
Valuation:
$62,500
Permit #:
BLD06-1617
Status:
FINALED
Fee:
$349
Permit Type:
N/A
Building Type:
N/A
Reinforced masonry chimney d27
Valuation:
$4,000
Permit #:
40768
Status:
ISSUED
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Electrical for motorhome garage
Valuation:
N/A
Permit #:
E98-00024
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Motorhome garage
Valuation:
N/A
Permit #:
B98-00036
Status:
final
Fee:
$481
Permit Type:
Other
Building Type:
N/A
Renewal-b-142951-sidings-sfd
Valuation:
N/A
Permit #:
BLD00-1036
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Allotment for new sfd-sebastopol
Valuation:
$0
Permit #:
DUA02-0035
Status:
APPROVED
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
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Michael E Walsh General Building Contractor License info
Verified License
| License # | 302458 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Michael E Walsh General Building Contractor at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
21
Permits
- Building permit records show that Michael E Walsh General Building Contractor has worked on 21 permitted projects.
Michael E Walsh General Building Contractor Employees
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Michael E Walsh
Owner