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Updated: Nov 19, 2025
Location and Projects
Address
655 Redwood Hwy, Mill Valley, CA, 94941
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Tda Structural Engineer
Tda Structural, 655 Redwood Hwy, Mill Valley, CA holds a Civil Engineer license and 1 other license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tda Structural, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tda Structural Services
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Tda Structural Contact Information
Phone Number: (415) 373-9472
Address: 655 Redwood Hwy, Mill Valley, CA 94941
Tda Structural Mill Valley
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tda Structural has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
7 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Tda Structural has worked on at least
24.0 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
|
7 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Tda Structural mostly works on
home addition
projects.
Pricing
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$1mil+ |
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.
Residential: full review - additions adu accessory structures pools remodel demolish generators and
2023-05-09
Trpa exempt provide welding certification for shop and field welder 2 weeks prior to inspection interior remodel of 475 square feet. repair of existing support posts and foundation underpinning at existing posts modifications to interior bearing and partition walls remove/reconfigure interior stairwell replace windows and doors replace exterior siding new hvac relocating existing hot ... see more
Valuation:
$51,466
Permit #:
BLD23-01138
Status:
issued
Fee:
$1,580
Permit Type:
Alteration
Building Type:
N/A
Install washer dryer hookups
Valuation:
N/A
Permit #:
P25-012
Status:
issued
Fee:
$253
Permit Type:
plumbing with elect
Building Type:
N/A
Underpinning of existing pool
Valuation:
N/A
Permit #:
BD2306-0005
Status:
final
Fee:
$3,064
Permit Type:
Residential repair
Building Type:
N/A
Single family residence remodel new carport 23 sf addition
Valuation:
N/A
Permit #:
BD2307-0041
Status:
issued
Fee:
$44,365
Permit Type:
With structural
Building Type:
N/A
Construct new 2 story single family residence and addition new gr
Valuation:
N/A
Permit #:
B-039801
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential - remodel and convert basement to 800 sq. ft. ad
Valuation:
N/A
Permit #:
B-042810
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential - structural remodel + new windows/doors + outdo
Valuation:
N/A
Permit #:
B-043358
Status:
ready to pay
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential remodel including convert basement to adu
Valuation:
$203,655
Permit #:
REVAL-048397
Status:
issued
Fee:
$5,133
Permit Type:
Residential
Building Type:
N/A
Residential - remodel + window/door changes
Valuation:
$751,850
Permit #:
REVAL-048326
Status:
final
Fee:
$28,128
Permit Type:
Residential
Building Type:
N/A
Residential - remodel + addition
Valuation:
N/A
Permit #:
B-044066
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Master bedroom remodel
Valuation:
$65,000
Permit #:
BR19-098
Status:
final
Fee:
$2,644
Permit Type:
Full construction
Building Type:
N/A
Master bathroom alteration and addtion jadu conversion
Valuation:
N/A
Permit #:
B2209-107
Status:
expired
Fee:
N/A
Permit Type:
New jadu unit
Building Type:
N/A
Residential- construction new single family residence + attached adu + garage:
Valuation:
N/A
Permit #:
B-038247
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct new single family residence with attached garage and adu on vacant lot
Valuation:
N/A
Permit #:
B-036648
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential - construct new 844sf single family residence and new 422sf adu
Valuation:
N/A
Permit #:
B-041814
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rrc clubhouse addition
Valuation:
N/A
Permit #:
B2205-051
Status:
final
Fee:
N/A
Permit Type:
Alter-commercial
Building Type:
N/A
Replace all exterior doors and windows
Valuation:
N/A
Permit #:
B2112-048
Status:
final
Fee:
N/A
Permit Type:
Retrofit 7 or mor...
Building Type:
N/A
New deck 746 sf and retaining wall 14
Valuation:
N/A
Permit #:
BD2508-0031
Status:
issued
Fee:
$4,774
Permit Type:
New
Building Type:
N/A
Residential- interior renovation and 116sqft addition
Valuation:
N/A
Permit #:
B-038190
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential remodel including convert basement to adu
Valuation:
N/A
Permit #:
B-045177
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tda Structural Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Tda Structural License info
Verified License
| License # | 73175 |
| Status | Active |
| State | California |
| Type | Civil Engineer |
- BuildZoom has not verified this license since January, 2025.
Verify this license's status for Tda Structural at the Board of Professional Engineers, Land Surveyors, and Geologists..
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C 73175 |
| Status | Active |
| State | California |
| Type | Civil Engineer |
- BuildZoom has not verified this license since January, 2025.
Verify this license's status for Tda Structural at the Board of Professional Engineers, Land Surveyors, and Geologists..
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
123
Permits
- Building permit records show that Tda Structural has worked on 123 permitted projects.