Updated: Mar 30, 2026
Location and Projects
Address
1400 COLEMAN AVE A21, Santa Clara, CA, 95050
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Adu Authority Arch Construction
Adu Authority Arch at 1400 COLEMAN AVE A21, Santa Clara, CA 95050, held a General Contractor license (#1064136) with the California contractors license board with an expiration date of 01-01-2023. We last verified the license was inactive on 03-29-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Adu Authority Arch Services
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Adu Authority Arch Contact Information
Phone Number: (408) 470-0336
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Address: 1400 COLEMAN AVE A21, Santa Clara, CA 95050
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Adu Authority Arch Santa Clara
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Adu Authority Arch, click “This is My Business” to update your information.
Activity
|
1 project
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that Adu Authority Arch has worked on at least
9.0 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
|
5 projects
|
Home Additions |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Adu Authority Arch mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
5 projects
|
$100k-$250k |
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.
1 new detached 1, 199 sq ft adu at rear yard. 2 bedroom 1 bathroom 1 kitchen 1 living room 1 family room 2 install new roof for new adu. roofing to be comparable. shingle roof type to match existing type and color 3 new exterior materials for addition and new adu to match existing material and color 4 related mech/plumbing/electrical work 5 (n) gas meter and electrical. panel for new ... see more
Valuation:
$200,000
Permit #:
BLD2020-59322
Status:
final
Fee:
$9,758
Permit Type:
N/A
Building Type:
N/A
A proposed 1, 199 sq.ft. area of a detached accessory dwelling unit - including two bedrooms 1 bathrooms and a kitchen and multi/family room we had planning approval: the zoning approval on these plans for the adu under planning case: pln2020-14451
Valuation:
$200,000
Permit #:
BLD2020-58402
Status:
final
Fee:
$7,649
Permit Type:
N/A
Building Type:
N/A
New detached single-story adu in side yard (1195 sf) (n) 200a panel at rear exterior (n) sewer line for adu at rear (n) ductless heat pump at exterior side yard deferred submittal: photovoltaic system required prior to frame
Valuation:
$190,000
Permit #:
BD-2022-284055
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 657 sf. addition to the main house to include (3) bedrooms and (3) bathrooms. interior remodel to include family room and kitchen (362 sf) convert existing detached garage to an adu (462 sf)
Valuation:
$200,000
Permit #:
BD-2021-279360
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of 908 sq ft with interior alteration of existing residence 1) addition at front for residence for new living room bedroom with full bathroom hall full bathroom and entry 2) reconfigured floor&roof plan with additional bedroom room bathroom room closet 3) plumbing electrical and mechanical alterations for new floor plan 4) window and door replacements and addition two skylights
Valuation:
$163,867
Permit #:
2021 057038 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Building total 707 sqf. attached adu located in the side yard. upgrade electrical. meter to 200a for main dwelling and 120a for new adu
Valuation:
$170,000
Permit #:
BLD2022-01538
Status:
complete
Fee:
$6,882
Permit Type:
New accessory dwe...
Building Type:
N/A
Scope of work to include: non load bearing interior wall alterations to change 2 br 1 ba to 3 br 2 ba major kitchen remodel. replace window no header changes lower sill for egress in new bedroom
Valuation:
$46,723
Permit #:
2022 679389 RS
Status:
issued
Fee:
$68
Permit Type:
Single-family
Building Type:
N/A
Scope of work to include: - construction of (n) 685 sq ft detached adu to rear lot of main residence - adu will consist of two bedrooms two bathrooms living room and kitchen
Valuation:
$89,447
Permit #:
2021 018351 RS
Status:
issued
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Attached adu of 592 sf living area: 2 bedrooms 1 bathroom 1 kitchen and 1 living room. (n) ev charger in garage. relocate and upgrade (e) electric meter to 200 amp and addition (n) subpanel 200 amp
Valuation:
$140,000
Permit #:
BLD2020-60092
Status:
final
Fee:
$5,622
Permit Type:
N/A
Building Type:
N/A
Rev2- panel upgrade to 200 amp & longer mast (per field correction) revision - change out shower to tub 11/1/2021 rev. upgrade the main house panel from a 125 amp panel to a 200 amp panel 12/16/21 eflo
Valuation:
N/A
Permit #:
BLD2020-59322-REV2
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Scope of work: total new addition 777 sq.ft - - addition of one master suite of the new foyer to the fron of the house - addition to rear of home to expand kitchen and living room - addition of new bathroom #3 near bedroom #4. - addition of new porch 52 sq.ft
Valuation:
$118,012
Permit #:
2021 044550 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Demolish (e) non-permitted shed from the 1960's. construct a detached 1086 sf adu in the rear of the property.*** new address 955 lewis st***
Valuation:
$465,000
Permit #:
BLD22-64880
Status:
issued
Fee:
$7,585
Permit Type:
N/A
Building Type:
N/A
Building a 750 sqf. detached adu in the back yard *** new address 183 bel ayre dr ***
Valuation:
$120,000
Permit #:
BLD22-64042
Status:
issued
Fee:
$5,924
Permit Type:
N/A
Building Type:
N/A
Demolish 253sf detached garage and building new 919 sf 1 story adu - 1.96 kwdc photovoltaic array to be installed for proposed adu
Valuation:
$129,274
Permit #:
2021 037110 RS
Status:
issued
Fee:
N/A
Permit Type:
2nd unit added
Building Type:
N/A
Scope of work to include: - 255 sq ft (n) addition to (e) main residence that will include one bedroom and one bathroom
Valuation:
$33,298
Permit #:
2021 018353 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Construct new detached adu of 745sf. garage demolish under bd-2020-278238. solar photovoltaic permit - deferred
Valuation:
$100,000
Permit #:
BD-2020-275814
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New detached adu total 604 sfft
Valuation:
$200,000
Permit #:
PRE22-01026
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential addition of 186 sq. ft. living area and remodeling of existing kitchen area and adding a bathroom in existing bedroom to the first floor of two-story house
Valuation:
N/A
Permit #:
BLD2020-06179
Status:
issued
Fee:
$2,962
Permit Type:
N/A
Building Type:
N/A
Pool demolish (non buildable) equipment to be capped and removed
Valuation:
N/A
Permit #:
2022 663313 RS
Status:
final
Fee:
$163
Permit Type:
Single-family
Building Type:
N/A
Construct a 797 sf 2bed/2bath detached adu in the rear yard. approved ministerial review number pln2020-00276
Valuation:
N/A
Permit #:
BLD2021-05308
Status:
complete
Fee:
$7,038
Permit Type:
N/A
Building Type:
N/A
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Adu Authority Arch Reviews
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Adu Authority Arch License info
Inactive License
| License # | 1064136 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Adu Authority Arch at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Adu Authority Arch, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
28
Permits
- Building permit records show that Adu Authority Arch has worked on 28 permitted projects.
Adu Authority Arch Employees
LJ
Lan Jiang
Ceo / President
LJ
Lan Jiang
Ceo / President
LC
Liqing Chen
Officer
LC
Liqing Chen
Officer
QH
Qian Hu
Rmo
QH
Qian Hu
Rmo
WW
Wei Wang
Officer
WW
Wei Wang
Officer