Updated: Jun 23, 2026
Location and Projects
Address
10910 Turner Blvd, Longmont, CO, 80504
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Squareroot Construction
Squareroot Construction, 10910 Turner Blvd, Longmont, CO (Owned by: Doug Lambert) holds a General Contractor license and 2 other licenses according to the Westminster license board.
Their BuildZoom score of 97 ranks in the top 18% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Squareroot Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Squareroot Construction Services
Start a project today:
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Gutters and Flashing
Patios
Small Multi-Family Remodel ...
Whole Home Remodel
Sunrooms and Greenhouses
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Squareroot Construction Contact Information
Phone Number: (303) 517-8742
Address: 10910 Turner Blvd, Longmont, CO 80504
Squareroot Construction Longmont
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Squareroot Construction has a BuildZoom score of 97, which places them above 82% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that Squareroot Construction has worked on at least
2.0 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
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
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 Squareroot Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace existing 530sf deck with 12-rise steps and metal railing
Valuation:
$35,000
Permit #:
BLD-SFD2023-00323
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Composite deck - 312 sf - with pergola 400 sf above
Valuation:
$10,000
Permit #:
B202102129
Status:
complete
Fee:
$538
Permit Type:
N/A
Building Type:
N/A
Adding electrical to covered deck in progress. (4) can-lig
Valuation:
$1,519
Permit #:
BPR-024105-2023
Status:
final
Fee:
N/A
Permit Type:
Electric work only
Building Type:
N/A
Replace and enlarge existing raised deck 9 about grade.will include new extension 12'x8 with relocation of stairs
Valuation:
$13,750
Permit #:
B201906189
Status:
complete
Fee:
$815
Permit Type:
N/A
Building Type:
N/A
Deck in rear of property
Valuation:
N/A
Permit #:
BPR-007900-2018
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Addition engineered portico roof to existing structure
Valuation:
$1,500
Permit #:
B201800341
Status:
complete
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
200 sq. ft. porch roof 280 2nd story deck
Valuation:
N/A
Permit #:
BP-09-00265
Status:
final
Fee:
N/A
Permit Type:
Patio cover or de...
Building Type:
N/A
Patio cover
Valuation:
N/A
Permit #:
BP-09-00738
Status:
final
Fee:
N/A
Permit Type:
Patio cover or de...
Building Type:
N/A
Deck - 484 sqft
Valuation:
$13,500
Permit #:
B202004863
Status:
complete
Fee:
$714
Permit Type:
N/A
Building Type:
N/A
400 sq ft covered deck
Valuation:
N/A
Permit #:
BP-14-01590
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Car port
Valuation:
N/A
Permit #:
BP-10-00859
Status:
final
Fee:
N/A
Permit Type:
Carport
Building Type:
N/A
Replace deck 796 sf covered patio 423
Valuation:
N/A
Permit #:
B201700958
Status:
complete
Fee:
$1,472
Permit Type:
N/A
Building Type:
N/A
Replace fence in rear 5 wood privacy
Valuation:
$1,800
Permit #:
B201700183
Status:
complete
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
Deck with pergola cover
Valuation:
N/A
Permit #:
M-07-00413
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Deck addition
Valuation:
N/A
Permit #:
M-04-01302
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Deck addition
Valuation:
N/A
Permit #:
M-04-01702
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Deck & electrical
Valuation:
N/A
Permit #:
M-05-01594
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
Squareroot Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Squareroot Construction License info
Verified License
| License # | 1801353 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Squareroot Construction at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 21-076662 |
| Status | Inactive |
| City | Lafayette |
| Type | General Class C |
- According to the City of Lafayette, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Squareroot Construction at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0002173-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 Squareroot Construction at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
17
Permits
- Building permit records show that Squareroot Construction has worked on 17 permitted projects.
Squareroot Construction Employees
DL
Doug Lambert
Owner