Updated: May 03, 2026
Location and Projects
Address
4329 COWELL ROAD, Concord, CA, 94518
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Twinwood Construction
Twinwood, 4329 Cowell Rd, Concord, CA (Employees: Cheng Hei Lin, Mike Chi Cheng Lin, and Mike Chi-Cheng Lin) holds a General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Twinwood, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Twinwood Services
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Twinwood Contact Information
Phone Number: (510) 251-1115
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Address: 4329 COWELL ROAD, Concord, CA 94518
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Twinwood Concord
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Twinwood has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Twinwood has worked on at least
2.0 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 |
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.
Replace 6 windows - window frame box to remain. street facing windows. aluminum clad. all single hung windown. no rough open iong changes. u-factor for all new windows shall not exceed 0.30
Valuation:
$4,800
Permit #:
202505237179
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Replace 6 windows - window frame box to remain. street facing windows. aluminum clad. all single hung windown. no rough open iong changes. u-factor for all new windows shall not exceed 0.30
Valuation:
$4,800
Permit #:
202505237179
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Laundry kitchen and bathroom remodel enlarge opening in dining room. door to bedroom from family room. no exterior work
Valuation:
$50,000
Permit #:
202506189043
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
00ground floor tenant improvement. including partitions finishes equipment new type 1 exhuast hood. extg handicapped accessible restroom to remain. extg storefront to remain. sign letters under seperate permit
Valuation:
$135,000
Permit #:
202002275634
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Addition (4) electrical outlet (2 new outlets for toilet 2 relocate existing vanity sink) for bathroom and laundry scope
Valuation:
N/A
Permit #:
E202507103814
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. cosmetic renovation. relocation of (e) with four new additions. new lights switches receptacles disconnect to hood/ansul
Valuation:
N/A
Permit #:
E202202228540
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. of limited restraunt. repipe (e) plumbing to proposed layout
Valuation:
N/A
Permit #:
PP20220222251
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition laundry sink and toilet
Valuation:
N/A
Permit #:
PP20250710367
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To erect non electrical sign letters(chicken and rice)
Valuation:
$1,200
Permit #:
202002275635
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
-
Revision to pa# 202002275634. proposed change of interior non-rated partition finish from 2 sides to interior side only. changes to lighting layout. no changes to proposed exit. see approved permit for accessibility features
Valuation:
$1
Permit #:
202203099615
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Inteiror remodel of an unconditioned space includes office and media & bathroom at ground floor. remodel oa an (e) exterior rear deck addition of a rear stair to yard
Valuation:
$60,000
Permit #:
201304305750
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Tear out kitchen walls and floors install new plumbing and electrical infill door opening on north wall knock out door opening on east wall removee wall between kitchen and breakfast room replace 2 windows in kitchen convert pantry into laundry
Valuation:
$30,000
Permit #:
200610256025
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Interior remodel of ground level and addition of deck at ground level. relocation of bathroom and sink. revision to app#201304305750
Valuation:
$1
Permit #:
201411071065
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Clean-up bad electrical wiring and updating electrical wiring bathroom & kitchen wiring update 16 lights 10 switches 20 receptacles 1 dishwasher 1 garbage disposal 1 micro 1 range 3 smoke detectors laundry;
Valuation:
$0
Permit #:
E201005117296
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation of restaurant kitchen and dining area. update electrical minor plumbing for appliances new bathroom fixtures relocate entry door new store front facade
Valuation:
$42,000
Permit #:
201102079752
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Electricval for grage addition: 10 lights 10 switches 10 receptacles 1 fan
Valuation:
$0
Permit #:
E201411054149
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocationg of lary in garage addition of restroom in garage addition
Valuation:
$0
Permit #:
PP20141105538
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolition of two existing bar counters removal of non load bearing walls. removal of existing bathrooms. no change in use. ab-017
Valuation:
$3,500
Permit #:
201109084181
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Studio addition (rooms) to unit #34 in garage. new family room bedroom and full bathroom and laundry
Valuation:
$50,450
Permit #:
201202164321
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Replace 14 windows 5 visable from street to comply with complaint #201110183. m ax u-factor 0.40 for windows no change to window wall doors
Valuation:
$4,000
Permit #:
201104254750
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
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Twinwood Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Twinwood License info
Verified License
| License # | 982244 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Twinwood at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 102706 |
| Status | Active |
| City | South San Francisco |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of May, 2018. Check the current license status of Twinwood with the The City of South San Francisco, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 837627 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Twinwood at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 826116 |
| Status | Inactive |
| State | California |
| Type | General Building, Electrical |
- 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 Twinwood at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1024839 |
| Status | Inactive |
| State | California |
| Type | Electrical |
- 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 Twinwood at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
22
Permits
- Building permit records show that Twinwood has worked on 22 permitted projects.
Twinwood Employees
CL
Cheng Hei Lin
General Partner
ML
Mike Chi Cheng Lin
Qualify Partner
ML
Mike Chi-Cheng Lin
Rmo / Ceo / Pres
SI
Steve Chinyeremaka Ike
Ceo / President