Updated: May 26, 2026
Location and Projects
Address
4500 19th St, Boulder, CO, 80304
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Brian Durnwirth Construction
Brian Durnwirth Construction, 4500 19th St, Boulder, CO (Owned by: Brian Dunwirth Construction) holds a General Class C license and 5 other licenses according to the Lafayette license board.
Their BuildZoom score of 98 ranks in the top 16% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Brian Durnwirth Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Brian Durnwirth Construction Services
Start a project today:
Custom Home Build
New Home Construction
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Pole Barn
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Other Secondary Structure N...
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Brian Durnwirth Construction Contact Information
Phone Number: (303) 875-1516
Address: 4500 19th St, Boulder, CO 80304
Brian Durnwirth Construction Boulder
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Brian Durnwirth Construction has a BuildZoom score of 98, which places them above 84% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Brian Durnwirth Construction has worked on at least
4.0 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.
Pricing
|
2 projects
|
$5k-$20k |
|
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.
Building Permits by Brian Durnwirth Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Main levelresidence addition of 397 square feet. the addition will addition no additional plumbing. extension and repair of the existing rear deck roof of 182 square feet. new open roof structure of 112 square feet attached to the residence addition
Valuation:
$76,471
Permit #:
BLD-SFD2023-00381
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New knee wall at 35"hgt. with drywall one side and three new 110 electrical outlets and one new 220 electrical outlet 76 square feet. interior cosmetic alterations include new base cabinets paint and tile finishes
Valuation:
$7,668
Permit #:
BLD-NRE2024-00003
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct a single family residence to replace a sf residence destroyed by the marshall fire
Valuation:
$705,000
Permit #:
RES-2806-2022
Status:
final
Fee:
$11,938
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel removing partial wall relocating oven refrigerator bathroom remodel removing tub ( per gc no hvac or metal work being done)
Valuation:
$15,000
Permit #:
23-001178
Status:
issued
Fee:
$801
Permit Type:
N/A
Building Type:
N/A
Habitable sqft
Valuation:
$3,404
Permit #:
18110710 00000BP
Status:
complete
Fee:
N/A
Permit Type:
Additions remodel...
Building Type:
434 additions & a...
Habitable sqft
Valuation:
$3,404
Permit #:
18110710 00000BP
Status:
complete
Fee:
N/A
Permit Type:
Additions remodel...
Building Type:
N/A
576 sq ft garage
Valuation:
$45,350
Permit #:
RES17-01561
Status:
final
Fee:
$1,643
Permit Type:
Detached garage
Building Type:
N/A
Single family residence
Valuation:
N/A
Permit #:
B-01-00214
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish - 1100 square feet
Valuation:
N/A
Permit #:
M-02-00761
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Concrete slab roof and arbor
Valuation:
N/A
Permit #:
M-02-00718
Status:
final
Fee:
N/A
Permit Type:
Miscellaneous
Building Type:
N/A
Basement finish - 1100 sq.ft
Valuation:
N/A
Permit #:
M-02-00709
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Basement finish
Valuation:
N/A
Permit #:
M-03-00846
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Basement finish
Valuation:
N/A
Permit #:
M-06-00314
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Single family dwelling *owner requesting refund - decid
Valuation:
N/A
Permit #:
B-03-00192
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition - 3 pergolas to riding arena
Valuation:
$25,000
Permit #:
BP-08-0500
Status:
complete
Fee:
$814
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
N/A
Permit #:
M-06-01229
Status:
final
Fee:
N/A
Permit Type:
Basement finish
Building Type:
N/A
Brian Durnwirth Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Brian Durnwirth Construction License info
Verified License
| License # | 20-050389 |
| Status | Active |
| City | Lafayette |
| Type | General Class C |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Brian Durnwirth Construction at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-24-0211 |
| Status | Active |
| County | Boulder County |
| Type | One And Two Family Residential |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Brian Durnwirth Construction at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GCC2350389 |
| Status | Active |
| City | Lafayette |
| Type | General Class C |
- When BuildZoom last verified this license, it had an expiration date of May, 2021. Check the current license status of Brian Durnwirth Construction with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011159-GENCC |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class C |
- According to the Boulder Licensing Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Brian Durnwirth Construction at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class C Contractor (1 2 Family Dwellings) |
| Class | 1-2 Family Dwellings |
- According to the Jefferson County Licensed Contractors, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC7197 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Brian Durnwirth Construction at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
12
Permits
- Building permit records show that Brian Durnwirth Construction has worked on 12 permitted projects.
Brian Durnwirth Construction Employees
BC
Brian Dunwirth Construction
Owner