Updated: Jun 08, 2026
Location and Projects
Address
PO BOX 435, Greenbank, WA, 98253
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Karls Site Development Construction
Serving the Whidbey Island area from Greenbank, WA, Karls Site Development brings more than 15 years of experience in site and land development. The company specializes in services such as excavation, clearing, grading, and utility installation for both residential and commercial properties. Typical project types include road construction, drainage systems, and septic system preparation. Karls Site Development works with property owners and developers throughout Island County, providing comprehensive solutions for site preparation and groundwork. With a focus on local regulations and soil conditions unique to Whidbey Island, the team ensures that each project is tailored to meet environmental and safety standards. Their portfolio reflects a range of site development services, supporting new construction as well as property improvements across the region.
Karls Site Development Services
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Karls Site Development Contact Information
Phone Number: (360) 507-7129
Edit
Address: PO BOX 435, Greenbank, WA 98253
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Karls Site Development Reviews
5 out of 5 stars, based on
1
review
-
By Lynne D.April 27, 2022New home build
Building Permits by Karls Site Development
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel to addition insulation around existing garage
Valuation:
N/A
Permit #:
23-1780
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Residential - accessory structure (detached garage barn carport pole bldg.)
2025-11-25
900 sq ft detached garage - no heat/no plumbing
Valuation:
N/A
Permit #:
25-1631
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Replacement manufactured home - 2 bedroom double wide
Valuation:
N/A
Permit #:
24-0406
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temporary manufactured home
Valuation:
N/A
Permit #:
BP22-0964
Status:
issued
Fee:
$1,318
Permit Type:
N/A
Building Type:
N/A
New 2 bedroom single family residence w/attached garage
Valuation:
N/A
Permit #:
23-2253
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Demolish mobile home
Valuation:
N/A
Permit #:
BP24-0451
Status:
issued
Fee:
$28
Permit Type:
N/A
Building Type:
N/A
New 2 bedroom manufactured home
Valuation:
N/A
Permit #:
23-2143
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PT2018-193
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential - accessory structure (detached garage barn carport pole bldg.)
2024-12-19
New shop w/plumbing and no heat
Valuation:
N/A
Permit #:
24-1770
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
New 2 bedroom manufactured home w/den
Valuation:
N/A
Permit #:
23-1742
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
23-2158
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
PT2017-409
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
30 x 40 x 10 shop on existing foundation
Valuation:
N/A
Permit #:
23-1347
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
PT2021-035
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ADD-19-0007
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
21108766DEMO
Status:
final
Fee:
$192
Permit Type:
N/A
Building Type:
N/A
3 bedroom single family residence w/garage + study
Valuation:
N/A
Permit #:
21-2463
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Pole barn
Valuation:
N/A
Permit #:
23-0900
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Excavate to sewer main & tie-in new service
Valuation:
N/A
Permit #:
WWU20-1584
Status:
final
Fee:
$300
Permit Type:
Core main
Building Type:
N/A
Garage
Valuation:
N/A
Permit #:
20-1338
Status:
complete
Fee:
$427
Permit Type:
N/A
Building Type:
Residential
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Recent Buildzoom Projects
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Verified License
BuildZoom confirmed this contractor's license
Karls Site Development License info
Verified License
| License # | KARLSSD751P9 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Individual |
| Date Issued | 10-29-2025 |
| Business Type | Individual |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Karls Site Development at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | KARLSSD751P9 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Date Issued | 10-29-2025 |
| Business Type | Individual |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Karls Site Development at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | KARLSSD991PE |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Individual |
| Business Type | Individual |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Karls Site Development with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | KARLSSD991PE |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Individual |
- According to the Washington State Department of Labor & Industries, 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 Karls Site Development at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Security National Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | CBIC |
| Bond Value | $12,000 |
27
Permits
- Building permit records show that Karls Site Development has worked on 27 permitted projects.
Karls Site Development Employees
HA
Hernandez, Miguel Angel
Owner
HP
Hjorten, Karl P
Owner
KH
Karl Hjorten
Owner
LH
Laura Hernandez
Spouse
MH
Miguel Hernandez
Owner
I can't say enough great things about Karl Hjorten and his business. He is the reason we got into our newly built house in Freeland as quickly as we did. He went above and beyond for us, and we will forever be grateful to him!