Updated: Nov 10, 2025
Location and Projects
Address
342 SYCAMORE AVENUE, Mill Valley, CA, 94941
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Chiou Shen-i Architect
Their BuildZoom score of 96 ranks in the top 20% of 336,931 California licensed contractors.
If you are thinking of hiring Chiou Shen-i, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Chiou Shen-i Services
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Chiou Shen-i Contact Information
Address: 342 SYCAMORE AVENUE, Mill Valley, CA 94941
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Chiou Shen-i Mill Valley
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chiou Shen-i has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2023 |
Our building permit records indicate that Chiou Shen-i has worked on at least
5.0 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
|
$20k-$50k |
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.
Construction scope revision: 1. replace dining room doors in the existing openings no enlargements or new openings. previous approved designs had new doors and new openings. 2. addition a gas fireplace at the primary bedroom
Valuation:
N/A
Permit #:
BLD24-4914.R01
Status:
complete
Fee:
$546
Permit Type:
N/A
Building Type:
N/A
Multi-family (alter/repair) - kitchen & bathroom remodel (flat)
2025-11-10
**paper plans** bathroom remodel and reconfiguration - only bathroom
Valuation:
$20,000
Permit #:
BD-2025-298208
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove deck temporary for reroofing works reinstall deck back in-kind after roof works complete 3) repair deck as needed
Valuation:
$30,000
Permit #:
202303083244
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
(e) single family dwelling kitchen bathroom remodel partial lighting and windows and doors replacements
Valuation:
N/A
Permit #:
BLD24-4914
Status:
final
Fee:
$2,076
Permit Type:
N/A
Building Type:
N/A
Residential addition major alterations
Valuation:
N/A
Permit #:
B-039202
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Nguyen residence: window replacement
Valuation:
$22,400
Permit #:
B-CP16-0087
Status:
final
Fee:
$322
Permit Type:
Rcp-window install
Building Type:
N/A
The edge: substitute cafco spray film intumescent fireproofi
Valuation:
N/A
Permit #:
B-RV17-0122
Status:
final
Fee:
$192
Permit Type:
Crv-com rev
Building Type:
N/A
Landscape screening
Valuation:
N/A
Permit #:
BP22-00256
Status:
final
Fee:
N/A
Permit Type:
New acc structure
Building Type:
N/A
G&d
Valuation:
N/A
Permit #:
BP21-00092
Status:
final
Fee:
N/A
Permit Type:
With det sys
Building Type:
N/A
Bathroom rmdl/windows/skylight
Valuation:
N/A
Permit #:
BP16-00113
Status:
final
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Open flume water slide per standard plan #538 & handicap ramp
Valuation:
N/A
Permit #:
00020-10000-01295
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New slide to public swimming pool
Valuation:
N/A
Permit #:
99020-10000-01886
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New adu
Valuation:
N/A
Permit #:
BP21-00053
Status:
final
Fee:
N/A
Permit Type:
Adu
Building Type:
N/A
Remodel: remodel of kitchen living room bathroom room. repurpose of designated dining room into remodeled rooms. relocation of internal stairs. relocation of structural walls between remodeled kitchen living room and stairway. relocation of bathroom doorway and bathroom fixtures session id: 800-726-038 session url: https://studio.bluebeam.com/join.html?id=800-726-038 it is the permitt... see more
Valuation:
N/A
Permit #:
BLD2021-01043
Status:
expired
Fee:
$4,886
Permit Type:
N/A
Building Type:
N/A
#scanned# addition/remodel. remodel kitchen. addition 46sf by enclosing and conditioning covered porch area and (n)sliding doors. remove fireplace and chimney and install new fireplace/stove. replace and relocate furnace to attic. addition new powder room. new siding on wall facing driveway. addition 2 new windows on southwest wall (driveway-side) of dining room and replace (e)windows... see more
Valuation:
N/A
Permit #:
BLD2019-00626
Status:
final
Fee:
$4,248
Permit Type:
N/A
Building Type:
N/A
Tenant improvement to upgrade an existing storage room to st
Valuation:
N/A
Permit #:
B-035438
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water slide. do not check plans. refund requested. claim no. 71983. sea fan
Valuation:
N/A
Permit #:
01020-10000-00841
Status:
withdrawn
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Chiou Shen-i License info
License Not Verified
| License # | C29335 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Chiou Shen-i with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
14
Permits
- Building permit records show that Chiou Shen-i has worked on 14 permitted projects.
Chiou Shen-i Employees
CI
Chiou Shen I
Owner