Updated: May 27, 2026
Location and Projects
Address
1820 2ND AVE, Walnut Creek, CA, 94597
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Chi Construction Company
Serving the Walnut Creek area for over three decades, Chi Construction Company specializes in residential construction and remodeling projects. Drawing on 36 years of experience, the company manages all phases of home renovations, including kitchen and bathroom remodels, home additions, and custom home building. Chi Construction Company works closely with homeowners throughout Walnut Creek and surrounding communities, providing project management from initial planning through completion. The company’s scope of work encompasses both interior and exterior renovations, with a portfolio that includes single-family homes and multi-room updates. Emphasizing direct communication, Chi Construction Company guides clients through permitting, material selection, and construction, adapting to a range of architectural styles and project sizes.
Chi Construction Company Services
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Chi Construction Company Contact Information
Phone Number: (916) 206-1415
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Address: 1820 2ND AVE, Walnut Creek, CA 94597
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Chi Construction Company Walnut Creek
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chi Construction Company has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
4 projects
|
2023 |
Our building permit records indicate that Chi Construction Company has worked on at least
4.0 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 |
|
1 project
|
$50k-$100k |
|
1 project
|
$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.
Building Permits by Chi Construction Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
(connected to x23-0020 j.l.l.) remove unpermitted kitchen/bathroom (downstairs) proposed new electrical installation at both stories proposed minor kitchen remodel (upstairs) legalization of water heater (downstairs) -2444 sq ft (bldg/mech/elec/plumbing). **main service upgrade**
Valuation:
$50,000
Permit #:
CB23-0281
Status:
final
Fee:
$6,849
Permit Type:
N/A
Building Type:
N/A
Tenant improvement to include: adding walls plumbing electrical and mechanical for new restaurant
Valuation:
$70,000
Permit #:
BP21-03054
Status:
final
Fee:
$2,444
Permit Type:
N/A
Building Type:
N/A
Epc - addition plumbing for spa pedicure sinks electric w/h washer/dryer addition rooms for facial
Valuation:
$35,000
Permit #:
COM-2318022
Status:
final
Fee:
$1,230
Permit Type:
N/A
Building Type:
N/A
Expedited - nalon salon: merged suite 300 into suite 400 as one big suite 400.; adding soffits electrical to be added for pedicure spa chairs; plumbing to be added for sink spa chairs; all work is subject to field inspection
Valuation:
$38,000
Permit #:
COM-1819862
Status:
complete
Fee:
$1,859
Permit Type:
N/A
Building Type:
N/A
Expedited - suite 200-interior remodel to include interior non-bearing walls cabinets change entrance door from double to single door and lighting see com-1906017: changed lighting to: 14x recessed 5x 2x2 led 4 1x2 tbar
Valuation:
$30,000
Permit #:
COM-1900710
Status:
complete
Fee:
$2,065
Permit Type:
N/A
Building Type:
N/A
2600 sf remodel of vacant suite. adding walls, fixed equipment and fixtures, plumbing, mechanical, electrical, hood system. building is sprinklered and county health receipt attached.
Valuation:
$90,000
Permit #:
COM-1714266
Status:
complete
Fee:
$3,038
Permit Type:
N/A
Building Type:
N/A
Commercial/multi-family/condo/apt. - change order
2021-04-23
Ch02 - the change in the shear walls lengths on line a & b due to reduction of overall of width from 26'-2 to 25
Valuation:
N/A
Permit #:
CBNC2018-00079-02
Status:
issued
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
Raw sushi-add a sushi restaurant to the falls event center
Valuation:
$190,000
Permit #:
21-07079
Status:
final
Fee:
$2,405
Permit Type:
Change in use ten...
Building Type:
N/A
Lampost pizza remodel to include: addition of 400sf by opening demising wall to adjacent unit and erect demising wall. move sub panel from back east wall to new demising wall
Valuation:
$5,600
Permit #:
SUB-2011254
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2600 sf remodel of vacant suite. adding walls fixed equipment and fixtures plumbing mechanical electrical hood system. building is sprinklered and county health receipt attached
Valuation:
$90,000
Permit #:
COM-1714266
Status:
complete
Fee:
$3,038
Permit Type:
N/A
Building Type:
N/A
Tenant improvements alterations kitchen/bath remodels for apartments or condos electric vehicle char
2019-03-22
First time tenant improvement and occupancy. scope of work includes installation of interior shelving and cash wrap counter for retail
Valuation:
$20,000
Permit #:
CBAC2019-00005
Status:
complete
Fee:
$1,572
Permit Type:
1st time tenant i...
Building Type:
N/A
Tenant improvements alterations kitchen/bath remodels for apartments or condos electric vehicle char
2020-01-13
6 insp commercial tenant improvement retail addition low walls electical and plumbing
Valuation:
$7,000
Permit #:
CBAC2015-00777
Status:
complete
Fee:
$1,803
Permit Type:
Alteration - remodel
Building Type:
N/A
Expedited - revision to com-1900710: changed lighting to 14x recess 5x 2x2 led and 4 1x2 tbar
Valuation:
N/A
Permit #:
COM-1906017
Status:
complete
Fee:
$246
Permit Type:
N/A
Building Type:
N/A
Commercial/multi-family/condo/apt. - change order
2021-03-29
Ch01 - deferred truss calculations
Valuation:
N/A
Permit #:
CBNC2018-00079-01
Status:
issued
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
Expedited - addition low walls create class rooms addition some receptacles to existing tutoring
Valuation:
$10,000
Permit #:
COM-1801704
Status:
complete
Fee:
$967
Permit Type:
N/A
Building Type:
N/A
Tenant improvement (himalayas nail spa/1880 sf)
Valuation:
N/A
Permit #:
B2021-2478
Status:
final
Fee:
$2,901
Permit Type:
Tenant improvement
Building Type:
N/A
Nice nails - tenant improvement combines suites 635 & 637 w all trades
Valuation:
$30,000
Permit #:
1710-0225
Status:
final
Fee:
$1,538
Permit Type:
Tenant improvement
Building Type:
N/A
Nice nails - tenant improvement combines suites 635 & 637 w all trades
Valuation:
$30,000
Permit #:
1710-0225
Status:
final
Fee:
$1,538
Permit Type:
Tenant improvement
Building Type:
N/A
Addition spa pedicure electrical plumbing for nail salon
Valuation:
$30,000
Permit #:
2019000411
Status:
issued
Fee:
N/A
Permit Type:
plumbing commercial
Building Type:
N/A
Reroof with 30 sqrs comparable shingle roofing over new solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b). rep... see more
Valuation:
$9,501
Permit #:
16016-90000-07395
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Chi Construction Company License info
Verified License
| License # | 878171 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Chi Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 654466 |
| Status | Active |
| State | California |
| Type | General Building, Plumbing, Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Chi Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 552583 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Chi Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 508923 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Chi Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
133
Permits
- Building permit records show that Chi Construction Company has worked on 133 permitted projects.
Chi Construction Company Employees
CW
Chi Yi Wong
Qualify Partner
LN
Long Chi Nguyen
Sole Owner
NK
Norman Kum
General Partner
NK
Norman Kum
General Partner
RP
Ruslan Alexandrovic Petrov
Sole Owner
ST
Shakkum Tsoi
General Partner
ST
Shakkum Tsoi
General Partner
SC
Sooil Chi
Sole Owner
SC
Sooil Chi
Sole Owner