Updated: Feb 14, 2026
Location and Projects
Address
Po Box 3610, Hillsboro, OR, 97123
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Milne Construction Co
Serving the Hillsboro, Oregon area for over 30 years, Milne Construction Co brings decades of experience to commercial and residential construction projects. The firm’s portfolio includes new home construction, remodeling, and additions, as well as tenant improvements for commercial spaces. Milne Construction Co is known for managing projects ranging from ground-up builds to renovations, adapting to the needs of both homeowners and business owners in Washington County and surrounding communities. In addition to general contracting services, the company handles all phases of construction including site preparation, framing, and finishing work. Milne Construction Co works with a variety of building materials and adapts project scope to client needs, whether for a kitchen update or a new retail buildout.
Milne Construction Co Services
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Milne Construction Co Contact Information
Phone Number: (503) 380-6185
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Address: Po Box 3610, Hillsboro, OR 97123
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Building Permits by Milne Construction Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Single family residence - backflow for irrigation
Valuation:
N/A
Permit #:
PLMB-2500232
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Burton grove lot 5 - backflow for irrigation
Valuation:
N/A
Permit #:
PLMB-2502553
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
**this project is not required**
Valuation:
N/A
Permit #:
P0297893
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow installation for streetside lida planters to trillium hills subdivision. the addresses included are 10893 10894 sw lady marion dr. and 15199 sw tierra ter
Valuation:
N/A
Permit #:
PLM2020-00517
Status:
complete
Fee:
$81
Permit Type:
Otr
Building Type:
N/A
New sf.7/10/17: reprinted permit to show reduction of hose bibs from (2) to (1). 3/21/18: reprint to addition air conditioning unit backflow preventer. 4/5/18: reprint to addition 399 sf of stairs to deck
Valuation:
$442,712
Permit #:
MST2016-00365
Status:
complete
Fee:
$32,611
Permit Type:
N/A
Building Type:
N/A
Backflow isntallation
Valuation:
N/A
Permit #:
935-25-000162-PLM
Status:
final
Fee:
$192
Permit Type:
Addition
Building Type:
N/A
Residential plumbing - additional fixtures being added
2025-04-16
Rtx lot 155 - backflow installation
Valuation:
N/A
Permit #:
PLM2025-00147
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow installation
Valuation:
N/A
Permit #:
PLM2025-00125
Status:
complete
Fee:
$81
Permit Type:
New
Building Type:
N/A
Backflow installation
Valuation:
N/A
Permit #:
311-25-000053-PLM
Status:
withdrawn
Fee:
$31
Permit Type:
New
Building Type:
N/A
Washington county 1 & 2 family alteration epermit
2025-01-07
Backflow installation
Valuation:
N/A
Permit #:
99067-BPB-25-00023
Status:
applied
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Bauer homestead open space landscaping - (1) backflow preventor
Valuation:
N/A
Permit #:
PLMB-2301699
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
New sf. 2/5/2018: reprint permit to remove (1) laundry tray. 7/16/18: reprinted to correct permit to include air conditioning unit
Valuation:
$355,478
Permit #:
MST2017-00250
Status:
complete
Fee:
$30,793
Permit Type:
N/A
Building Type:
N/A
Bauer homestead lot 10 - backflow preventor
Valuation:
N/A
Permit #:
PLMB-2306595
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 6 - install backflow
Valuation:
N/A
Permit #:
PLMB-2306593
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 11 - install backflow
Valuation:
N/A
Permit #:
PLMB-2305036
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 29 - install backflow
Valuation:
N/A
Permit #:
PLMB-2304132
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 49 - install backflow
Valuation:
N/A
Permit #:
PLMB-2302702
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 39 - install backflow
Valuation:
N/A
Permit #:
PLMB-2302477
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 46 - install backflow
Valuation:
N/A
Permit #:
PLMB-2302246
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Abbey woods terrace lot 30 - install backflow
Valuation:
N/A
Permit #:
PLMB-2301180
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Milne Construction Co License info
License Not Verified
| License # | 9187 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Milne Construction Co with the Oregon Landscape Contractors Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9191 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Milne Construction Co with the Oregon Landscape Contractors Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 60635 |
| Status | Active |
| State | Louisiana |
| Type | Commercial License Certificate |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Milne Construction Co with the Louisiana Licensing Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBRC005678 |
| Status | Active |
| City | Cincinnati |
| Type | General |
| Business Type | Corporation |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Milne Construction Co at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9191 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Milne Construction Co with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9190 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Milne Construction Co with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9189 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Milne Construction Co with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9188 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Milne Construction Co with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 9187 |
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of January, 2016. Check the current license status of Milne Construction Co with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 52726 |
| Status | Inactive |
| State | New Mexico |
| Business Type | Corporation |
- According to the New Mexico Contractor Licensing Division, 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 Milne Construction Co at the New Mexico Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MILNECC117BA |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- 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 Milne Construction Co 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 # | 9186 |
| Status | Inactive |
| State | Oregon |
| Business Type | Corporation |
- According to the Oregon Construction Contractors Board (CCB), 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 Milne Construction Co at the Oregon Construction Contractors Board (CCB).
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Sl Liberty Surplus Insurance Corp |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | 101 Western Surety Company |
| Bond Value | $75,000 |
549
Permits
- Building permit records show that Milne Construction Co has worked on 549 permitted projects.
Milne Construction Co Employees
BA
Bortolin, Louis A
Corporate Officer
BA
Bortolin, Louis Antonio
DO
Dahl, David Otto
Corporate Officer
DD
David Dahl
President
DA
Dean Aldrich
Director
DK
Dorothy Kight
GW
George Webb
Director
JM
James Milne
JB
John Bledsoe
LB
Louis Bortolin
RW
Richard Williams
Secretary
WH
Williams, Richard H
Williams, Richard H