Updated: May 07, 2026
Location and Projects
Address
21706 66TH AVE W, Mountlake Terrace, WA, 98043
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Light Doctor Electrician
Light Doctor LLC, 21706-66 Th Ave W, Mountlake Terrace, WA (Owned by: Donald Nielsen) holds a Electrical Contractor, General license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 108 ranks in the top 5% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Light Doctor LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Light Doctor LLC Contact Information
Phone Number: (254) 815-0010
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Address: 21706 66TH AVE W, Mountlake Terrace, WA 98043
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Light Doctor LLC Mountlake Terrace
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Light Doctor LLC has a BuildZoom score of 108, which places them above 95% of 128,670 contractors in Washington.
Activity
|
3 projects
|
2025 |
|
11 projects
|
2024 |
|
32 projects
|
2023 |
Our building permit records indicate that Light Doctor LLC has worked on at least
46.0 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
|
46 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Light Doctor LLC mostly works on
electrical project
projects.
Pricing
|
4 projects
|
< $5k |
|
10 projects
|
$5k-$20k |
|
8 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $16,653. This graph shows the distribution of these job values.
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.
A nonresidential alteration to existing structure electrical project involving (1 receptacles 1 added or altered branch circuits)
Valuation:
N/A
Permit #:
25 102519 BF
Status:
final
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Sound transit tibs station|when submitting an application please ensure you have attached all required documents.|certification: by using this portal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of t... see more
Valuation:
N/A
Permit #:
EL23-1059
Status:
final
Fee:
$1,156
Permit Type:
Non-residential
Building Type:
N/A
Young corporation - warehouse retrofit florescent light fixtures with new led light bulbs and hid light fixtures with new led light fixtures
Valuation:
$90,450
Permit #:
7028343-EL
Status:
issued
Fee:
$221
Permit Type:
Remodel or repair
Building Type:
Industrial
Rainier beach link retrofit at rainier beach link light rail station we are removing old light fixtures and replacing them with new led light fixtures
Valuation:
$15,676
Permit #:
6962395-EL
Status:
complete
Fee:
$1,649
Permit Type:
Remodel or repair
Building Type:
Commercial
Claypool garage running conduit from the electrical room to mount a photo cell on the concrete wall to power the pole lights. running conduit to the columns facing denny way and mounting four wall packs; running conduit and setting a new outlet
Valuation:
$7,500
Permit #:
6984049-EL
Status:
issued
Fee:
$142
Permit Type:
Remodel or repair
Building Type:
Commercial
Interior lighting retrofit at public storage facility. includes retrofitting 206 fluorescent lamps with new tled. retrofitting 58 bugeye emergency fixture. retrofitting 61 exit signs. retrofitting 2 wall switch sensors. retrofitting 89 ceiling sensors with power packs - (10) circuits - 2020 nec
Valuation:
$18,500
Permit #:
ELEC-2021-06566
Status:
final
Fee:
$675
Permit Type:
N/A
Building Type:
N/A
Interior lighting retrofit at public storage facility. includes retrofitting 236 fluorescent lamps with new tled. retrofitting 40 exit signs. retrofitting 6 wall switch sensors. retrofitting 126 ceiling sensors with 63 power packs - (10) circuits
Valuation:
$21,000
Permit #:
E21004724
Status:
complete
Fee:
$655
Permit Type:
N/A
Building Type:
N/A
Replace existing parking lot pole light fixtures with new led light fixtures and addition additional poles and light fixtures to improve safety/security lighting within the parking lot areas. bid alternate #1: replace parking lot 14 pole light fixtures with new led fixtures as indicated in drawings. bid alternate #2: replace west roadway pole light fixtures with new led fixtures as in... see more
Valuation:
N/A
Permit #:
21 101450 BG
Status:
final
Fee:
$8,026
Permit Type:
N/A
Building Type:
N/A
A nonresidential repair or replacement electrical project involving (15 added or altered branch circuits)
Valuation:
N/A
Permit #:
24 129015 BF
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Interior lighting retrofit at public storage facility. includes retrofitting 65 fluorescent lamps with new tled. retrofitting 4 exit signs. retrofitting 2 wall switch sensors. retrofitting 24 ceiling sensors with power packs - (5) circuits
Valuation:
$5,000
Permit #:
E21004723
Status:
complete
Fee:
$251
Permit Type:
N/A
Building Type:
N/A
Sha phase 2 olive ridge we are retrofitting the lights in the olive ridge apartments for seattle housing authority. 1 for 1 in the common areas of the building
Valuation:
$35,753
Permit #:
6907991-EL
Status:
issued
Fee:
$264
Permit Type:
Remodel or repair
Building Type:
Multifamily
Usled ess seattle 0643 led retrofit - replacing fluorescent bulbs to led bulbs changing old exit signs to bugeye led exit signs
Valuation:
$14,026
Permit #:
6968750-EL
Status:
complete
Fee:
$209
Permit Type:
Remodel or repair
Building Type:
Commercial
Wiaa led retrofit. relamping of existing fixtures with led lamps. demolishing and adding new led fixtures
Valuation:
$50,000
Permit #:
E23000319
Status:
filed
Fee:
$2,343
Permit Type:
N/A
Building Type:
N/A
Nsc - child care center we're replacing several fixtures with new led fixtures on the walkway and near the play area
Valuation:
$22,000
Permit #:
6971377-EL
Status:
complete
Fee:
$59
Permit Type:
Remodel or repair
Building Type:
Institutional
Electrical permit: over the counter
2019-06-07
Wscc - freeway park garage lighting retrofit of freeway parking garage a-h. removing & replacing existing hid canopies to new led canopies. reducing power consumption by roughly half. 05/28/2019 smr updated address from: 705 pike st
Valuation:
$250,000
Permit #:
6721530-EL
Status:
complete
Fee:
$1,066
Permit Type:
Remodel or repair
Building Type:
Commercial
A nonresidential alteration to existing structure electrical project involving (1 receptacles 1 added or altered branch circuits)
Valuation:
N/A
Permit #:
24 122530 BF
Status:
final
Fee:
$257
Permit Type:
N/A
Building Type:
N/A
Sand point building 5a removing old light fixtures and replacing with new led light fixtures
Valuation:
$75,000
Permit #:
7010820-EL
Status:
issued
Fee:
$138
Permit Type:
Remodel or repair
Building Type:
Industrial
Elliott west exterior retrofitting several existing fixtures to led and adding some new led fixtures
Valuation:
$25,000
Permit #:
6957686-EL
Status:
issued
Fee:
$61
Permit Type:
Remodel or repair
Building Type:
Commercial
Sodo station retrofit led retrofit - removing old light fixtures and replacing them with new led fixtures
Valuation:
$22,790
Permit #:
6962384-EL
Status:
complete
Fee:
$659
Permit Type:
Remodel or repair
Building Type:
Commercial
Electrical nonresidential or multifamily
2025-01-30
Wwu - gyms _ lighting upgrade
Valuation:
$25,000
Permit #:
ELE2024-2237
Status:
final
Fee:
$640
Permit Type:
Pay online
Building Type:
N/A
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Light Doctor LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Light Doctor LLC License info
Verified License
| License # | LUMENLL864LW |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, General |
| Class | Limited Liability Company |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Light Doctor LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LUMENLL864LW |
| Status | Active |
| City | Marysville |
| Type | Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Light Doctor LLC at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LUMENLL864LW |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Light Doctor LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RCE-41713 |
| Status | Inactive |
| State | Idaho |
| Type | General Contractor Registration |
| Business Type | Corporation |
- According to the State of Idaho Bureau Of Occupational Licenses, 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 Light Doctor LLC at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIGHTDL954L8 |
| Status | Inactive |
| City | Tukwila |
| Type | Contractor |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 Light Doctor LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1021740 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| 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 Light Doctor LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Federated Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | 185 Federated Mutual Ins Co |
| Bond Value | $7,500,000 |
Insured
| Workers Comp Provider | Travelers |
792
Permits
- Building permit records show that Light Doctor LLC has worked on 792 permitted projects.
Light Doctor LLC Employees
DN
Donald Nielsen
Owner
DN
Donald Peter Nielsen
Manager
FJ
Francisco Segura Jr
Rme
GV
George Viray
Manager
MM
Michael Joseph Moroney
Ceo / President
NP
Nielsen, Donald P
Owner
SP
Shane Petitt
Partner/Member