Updated: Jun 24, 2026
Location and Projects
Address
3611 SE 20th Ave, Portland, OR, 97202
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Lorentz Bruun Co Construction
Established in 1946, Lorentz Bruun Construction has maintained a reputation for building quality construction and relationships in the market. As a third-generation, family-owned general contractor, we continue to exceed our clients' expectations with our innovation, responsiveness, talented team members, and progressive attitude. We support the development needs of our clients by providing delivery methods such as design/build, general contracting and construction management. Our goal is to provide clients with a predictable building solution that saves time and money.
From BuildZoom: Lorentz Bruun Co Inc, 3611 SE 20th Ave, Portland, OR (Owned by: Kelly Bruun) holds a Prefab license and 9 other licenses according to the Oregon license board.
Their BuildZoom score of 111 ranks in the top 4% of 62,733 Oregon licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Lorentz Bruun Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Lorentz Bruun Co Inc Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Flatwork Concrete
Foundations
Other Concrete
Other Architecture and Engi...
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Mold, Lead, and Asbestos
Termites and Pests
Other Environmental Services
Skylights
Sea Walls
Lorentz Bruun Co Inc Contact Information
Phone Number: (503) 232-7106
Address: 3611 SE 20th Ave, Portland, OR 97202
Lorentz Bruun Co Inc Portland
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Lorentz Bruun Co Inc has a BuildZoom score of 111, which places them above 96% of 62,733 contractors in Oregon.
Activity
|
5 projects
|
2025 |
|
7 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Lorentz Bruun Co Inc has worked on at least
21.0 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
|
8 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Lorentz Bruun Co Inc mostly works on
home addition
and new construction
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$500k-$1mil |
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.
Sw park apts - rev-05 - revisions to change siding from stucco to metal panel change color from charcoal gray to black at levels 2-12 between gridlines e.5-e.9 and 8-11 (see detail on a4.3 an a0.0a); remove laminate closet barrier in unit closets in all interior residential units to meet bike open area requirements
Valuation:
N/A
Permit #:
2021-069762-REV-05-CO
Status:
issued
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001318-STR
Status:
issued
Fee:
$6,877
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001317-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001316-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001315-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001314-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001313-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001312-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Tear-off and new roofing gutters hvac curbs remove and reinstall windows repair/replace decking replace facia new railing new gate remove trash enclosures repair/replace columns install vertical siding at exterior replace equipment screens
Valuation:
$625,000
Permit #:
499-22-001309-STR
Status:
issued
Fee:
$5,644
Permit Type:
Repair
Building Type:
N/A
Sw park apts - rev-02 - revision to replace storage room in basement with fire tank room b07and addition concrete wall between fire tank room and bike storage room replace telecom 2 room on first floor with laundry room addition roof hatch to water tank in command center modify rough opening size of elevator shaft *** w/21-069768-rev-01-mt *** see narrative of changes in documents in ... see more
Valuation:
N/A
Permit #:
2021-069762-REV-02-CO
Status:
issued
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Exterior sheathing is damaged and requires replacement. exterior details updated to include new 5/8 type gypsum sheathing at exterior walls. all exterior stairs are damaged and require replacement. stair #3 and #4 are included in the building #7 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001317-STR-REV-01
Status:
complete
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Exterior sheathing is damaged and requires replacement. exterior details updated to include new 5/8 type gypsum sheathing at exterior walls. all exterior stairs are damaged and require replacement. stairs #1 and #2 are included in the building #5 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001315-STR-REV-01
Status:
complete
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Exterior sheathing is damaged and requires replacement. exterior details updated to include new 5/8 type gypsum sheathing at exterior walls. all exterior stairs are damaged and require replacement. stair #3 and #4 are included in the building #7 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001317-STR-REV-01
Status:
complete
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Exterior sheathing is damaged and requires replacement. exterior details updated to include new 58 type gypsum sheathing at exterior walls. all exterior stairs are damaged and require replacement. stair #8 is included in the building #6 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001316-STR-REV-01
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Exterior sheathing replacement permit revision was already approved for building 4. all exterior stairs are damaged and require replacement. stairs #6 and #7 are included in the building #4 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001314-STR-REV-02
Status:
complete
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Exterior sheathing is damaged and requires replacement. exterior details updated to include new 5/8 type gypsum sheathing at exterior walls. all exterior stairs are damaged and require replacement. stair #5 is included in the building #1 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001309-STR-REV-01
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Exterior sheathing is damaged and requires replacement. exterior details updated to include new 5/8 type gypsum sheathing at exterior walls. all exterior stairs are damaged and require replacement. stair #5 is included in the building #1 permit revision. architectural and shop drawings for new stair included herein
Valuation:
N/A
Permit #:
499-22-001309-STR-REV-01
Status:
complete
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Sw park apts - rev-04 - revisions to juliet balconies window louvers and bike parking *** see narrative of changes in documents in pdox ***
Valuation:
N/A
Permit #:
2021-069762-REV-04-CO
Status:
issued
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Single pdf process/water tower coffee shop 2nd floor ti; 1st time tenant occupancy b minor demolish new walls to create kitchen utility room restroom seating area entry area customer counter ceiling flooring finishes plumbing and electrical
Valuation:
N/A
Permit #:
2023-048726-000-00-FA
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Parkway woods - skylight addition. proposed plan involves retrofitting a vaulted ceiling and skylight within an existing flat roof system. no floor plan or occupancy changes from this proposal
Valuation:
$324,740
Permit #:
BB21-0144
Status:
issued
Fee:
$4,008
Permit Type:
N/A
Building Type:
N/A
Lorentz Bruun Co Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Lorentz Bruun Co Inc License info
Verified License
| License # | PFS703 |
| Status | Active |
| State | Oregon |
| Type | Prefab |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Lorentz Bruun Co Inc at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 415195 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Lorentz Bruun Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Lorentz Bruun Co Inc 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 # | OR33 |
| Status | Active |
| State | Oregon |
| Type | Residential Rgc - General Contractor Commercial Cgc1 - General Contractor 1 |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Lorentz Bruun Co Inc with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2014. Check the current license status of Lorentz Bruun Co Inc with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2014. Check the current license status of Lorentz Bruun Co Inc with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2014. Check the current license status of Lorentz Bruun Co Inc with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | Oregon |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2014. Check the current license status of Lorentz Bruun Co Inc with the Oregon Construction Contractors Board (CCB)
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RCE-20625 |
| 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.
Check this license's status for Lorentz Bruun Co Inc 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 # | PB339 |
| Status | Inactive |
| State | Oregon |
| Type | Plumbing |
| Business Type | Corporation |
- According to the Oregon Building Codes Division, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Lorentz Bruun Co Inc at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | Indian Harbor Insurance Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Zurich American Insurance Company |
463
Permits
- Building permit records show that Lorentz Bruun Co Inc has worked on 463 permitted projects.
Lorentz Bruun Co Inc Employees
EB
Erik Bruun
Owner
KB
Kurt Bruun
Owner
MB
Mark Bruun
Owner
BC
Bruun, Kelly C
Corporate Officer
BK
Bruun, Larry K
Corporate Officer
BS
Bruun, Lorentz Scott
Bruun, Lorentz Scott
KB
Kelly Bruun
Owner
KB
Kelly Bruun, Mark Bruun, Kurt Bruun, Erik Bruun
Owner
KB
Kelly Christopher Bruun
RMO / CEO / PRES
MB
Mark Christopher Bruun
Officer