Updated: Sep 11, 2025
Location and Projects
Address
870 KOKOMO RD, Haiku, HI, 96708
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William J Clark Construction
William J Clark, 870 Kokomo Rd, Haiku, HI (Employee: Clark William J) holds a General Building license and 1 other license according to the Hawaii license board.
Their BuildZoom score of 0 does not rank in the top 50% of Hawaii contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William J Clark, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William J Clark Services
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William J Clark Contact Information
Address: 870 KOKOMO RD, Haiku, HI 96708
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William J Clark Haiku
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are William J Clark, click “This is My Business” to update your information.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that William J Clark has worked on at least
2.0 projects over the past year.
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
|
$100k-$250k |
|
1 project
|
$250k-$500k |
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.
Project 40 halekuai street scope unit b - electrical work. new office building w (2) 2-story units (unit a & unit b'). electrical work for unit b includes new panelboards pb1 and pb2 w new branch circuits for lighting & receptacles. 1 new meco meter to energize unit b. fee summary 1 feeder project electrical engineer william j. zastrow pe 14602-e
Valuation:
N/A
Permit #:
E 20170797
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project 40 halekuai street scope unit a - electrical work. new office building w (2) 2-story units (unit a & unit b'). electrical work includes new 400a-120/240v-1ph-3w service installation for the building. new panelboards pa1 and pa2 for unit a w new branch circuits for new water heater air conditioning equipment lighting & receptacles. 1 new meco meter to energize unit a. fee summa... see more
Valuation:
N/A
Permit #:
E 20170796
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project akaku photovoltaic system scope 11.29 kwdc 9.99 kwac grid-tied photovoltaic system with (37) 305w qcells modules and (37) enphase s280 microinverters mounted on carport structure #1. system nem #7. meco meter # 104074 electrical work includes a line side tap at house panel service disconnect and installation of a 60a/3p disconnect ds2 fused @ 40a. install 100a/3p non-fused di... see more
Valuation:
N/A
Permit #:
E 20172382
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project akaku photovoltaic system scope 97.6 kwdc 86.4 kwac grid-tied photovoltaic system with (320) 305w qcells modules and (320) enphase s280 microinverters mounted on 3 carport structures. system nem #6. meco meter # 95403 electrical work includes a line side tap inside existing switchboard and installation of a 400a/3p disconnect ds1 fused @ 300a. install 400a/3p non-fused discon... see more
Valuation:
N/A
Permit #:
E 20172381
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project akaku electric vehicle charging stations scope ev stations install (1) new ev charging station and replace (1) existing ev charging station. install new circuit from existing house panel. fee summary 1 miscellaneous branch circuit and 2 ev stations. electrical drawings (11"x17") submitted. project electrical engineer william j. zastrow pe 14602-e
Valuation:
N/A
Permit #:
E 20172380
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project spinnaker photovoltaic system - carport 2 scope 44.225 kwdc 34.80 kwac photovoltaic system with (145) 305w q-cell modules and (145) enphase m250 microinverters. modules mounted on carport 2. system is part of a 124.44 kwdc 97.92 kwac system installed on 2 carports and 1 building roof. see permits e2017/2480 and e2017/2481. meco meter # 81511 electrical work includes installa... see more
Valuation:
N/A
Permit #:
E 20172482
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project spinnaker photovoltaic system - carport 1 scope 57.035 kwdc 44.88 kwac photovoltaic system with (187) 305w q-cell modules and (187) enphase m250 microinverters. modules mounted on carport 1. system is part of a 124.44kwdc 97.92 kwac system installed on 2 carports and 1 building roof. see permits e2017/2480 and e2017/2482. meco meter # 81511 electrical work includes installat... see more
Valuation:
N/A
Permit #:
E 20172481
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project spinnaker photovoltaic system - building scope 23.18 kwdc 18.24 kwac photovoltaic system with (76) 305w q-cell modules and (76) enphase m250 microinverters. modules mounted on roof of building. system is part of a 124.44kwdc 97.92 kwac system installed on 2 carports and 1 building roof. see permits e2017/2481 and e2017/2482. meco meter # 81511 electrical work includes a line... see more
Valuation:
N/A
Permit #:
E 20172480
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project state of hawaii - puu kukui elementary school - wind turbines scope installation of 6 ea aeolos-h 1kw wind turbines on 9 meter high poles at the south entrance parking lot. underground ducts across parking lot for dc power & communication cables from wind turbines to building d electrical room at playcourt. 3 ea fronius primo 3.8 kw inverters (csa certified) 100a panelboard & ... see more
Valuation:
N/A
Permit #:
E 20180191
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project: azeka shopping center scope: building #200 unit #204 - landlord interior improvement. building #200 alteration from 1 unit to 4 units (#201 #202 #203 #204). electrical work in unit #204 includes new 200a-208y/120v-3ph-4w service installation. new panel w new air conditioning equipment lighting & receptacles. 1 new meco meter for unit #204. fee summary: 1 3-phase service 100-2... see more
Valuation:
N/A
Permit #:
E 20161081
Status:
OPEN
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project: azeka shopping center scope: building #200 unit #203 - landlord interior improvement. building #200 alteration from 1 unit to 4 units (#201 #202 #203 #204). electrical work in unit #203 includes new 200a-208y/120v-3ph-4w service installation. new panel w new air conditioning equipment lighting & receptacles. 1 new meco meter for unit #203. fee summary: 1 3-phase service 100-2... see more
Valuation:
N/A
Permit #:
E 20161080
Status:
OPEN
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project: azeka shopping center scope: building #200 unit #202 - landlord interior improvement. building #200 alteration from 1 unit to 4 units (#201 #202 #203 #204). electrical work in unit #202 includes new 200a-208y/120v-3ph-4w service installation. new panel w new air conditioning equipment lighting & receptacles. 1 new meco meter for unit #202. fee summary: 1 3-phase service 100-2... see more
Valuation:
N/A
Permit #:
E 20161079
Status:
OPEN
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project westin kaanapali ocean resort villas scope building a - employee cafeteria renovation. floorplan - employee break room (1369 sf) kitchen (967 sf) w exist. walk-in cooler computer lounge area (505 sf) exist. storage. electrical work includes new 225a panel to replace exist. 125a. reconnect exist. circuits to new panel. new circuits for new oven and hood relocated refrigerators.... see more
Valuation:
N/A
Permit #:
E 20160533
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project kihei regency scope building laundry - photovoltaic system. modules roof-mounted on building a and building b. service equipment located at building laundry. new distribution panel to feed exist. pool exist. laundry and new photovoltaic panel. new envoy energy management unit. 34.58 kwdc 28.595 kwac installation of (133) 260w canadian solar modules & (133) 215w enphase microi... see more
Valuation:
N/A
Permit #:
E 20155022
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project kihei regency scope building e - service revamp and photovoltaic system. new 600a-208y/120v-3ph-4w service installation to replace exist. new distribution panel to feed exist. tenant meter bank exist. house panel and new photovoltaic panel. replace exist. tenant meco meters with new owner meters (20 units). 55.9 kwdc 46.225 kwac installation of (215) 260w canadian solar modul... see more
Valuation:
N/A
Permit #:
E 20155021
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project kihei regency scope building d - service revamp and photovoltaic system. new 600a-208y/120v-3ph-4w service installation to replace exist. new distribution panel to feed exist. tenant meter bank exist. house panel and new photovoltaic panel. replace exist. tenant meco meters with new owner meters (20 units). 40.3 kwdc 33.325 kwac installation of (155) 260w canadian solar modul... see more
Valuation:
N/A
Permit #:
E 20155020
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project kihei regency scope building c - service revamp and photovoltaic system. new 600a-208y/120v-3ph-4w service installation to replace exist. new distribution panel to feed exist. tenant meter bank exist. house panel and new photovoltaic panel. replace exist. tenant meco meters with new owner meters (20 units). 39.26 kwdc 32.465 kwac installation of (151) 260w canadian solar modu... see more
Valuation:
N/A
Permit #:
E 20155019
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project kihei regency scope building b - service revamp and photovoltaic system. new 600a-208y/120v-3ph-4w service installation to replace exist. new distribution panel to feed exist. tenant meter bank exist. house panel and new photovoltaic panel. replace exist. tenant meco meters with new owner meters (20 units). 39.78 kwdc 32.895 kwac installation of (153) 260w canadian solar modu... see more
Valuation:
N/A
Permit #:
E 20155018
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project kihei regency scope building a - service revamp and photovoltaic system. new 600a-208y/120v-3ph-4w service installation to replace exist. new distribution panel to feed exist. tenant meter bank exist. house panel and new photovoltaic panel. replace exist. tenant meco meters with new owner meters (20 units). 39.78 kwdc 32.895 kwac installation of (153) 260w canadian solar modu... see more
Valuation:
N/A
Permit #:
E 20155017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Project county of maui scope kihei community center photovoltaic system installation new photovoltaic system (distributed generation) roof-mounted on existing community center/dmv office. 113.9 kwdc 99.98 kwac installation includes (416) qcells 280w modules with enphase m250 microinverters. bus tap at existing switchboard msb-1 to new panelboard pv1 located in the main meeting hall a... see more
Valuation:
N/A
Permit #:
E 20154018
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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William J Clark License info
Verified License
| License # | CT-27302 |
| Status | Active |
| State | Hawaii |
| Type | General Building |
| Business Type | Individual |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for William J Clark at the Hawaii Department of Commerce & Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CT-27302 |
| Status | Active |
| State | Hawaii |
| Type | General Building, Carpentry Framing |
| Business Type | Individual |
- When BuildZoom last verified this license, it had an expiration date of September, 2018. Check the current license status of William J Clark with the Hawaii Department of Commerce & Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are William J Clark, click “This is My Business” to update your information.
Insured
| Insurer | Business Ins Services Inc |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Allegheny Casualty Co |
| Bond Value | $17,000 |
30
Permits
- Building permit records show that William J Clark has worked on 30 permitted projects.
William J Clark Employees
CJ
Clark William J
Individual (Sole Owner)