Updated: Jun 23, 2026
Location and Projects
Address
4508 Endeavor Dr, Johnstown, CO, 80534
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Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders
Specializing in commercial construction throughout Northern Colorado, Sampson Construction Co Inc. in Johnstown handles projects ranging from large-scale educational facilities to healthcare, manufacturing, and civic developments. The company’s portfolio features K-12 schools, administrative offices, and recreational centers, reflecting experience in both new construction and renovation for public and private organizations. Projects in the region include institutional buildings and community amenities. The construction team is equipped to deliver projects under multiple contract models, leveraging experience with design-build and construction management. Sampson Construction Co Inc. serves municipalities, school districts, and private developers across Colorado, focusing on efficient project delivery and collaboration with architects and engineers. The company brings 18 years of operational experience in the region.
Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders Services
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Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders Contact Information
Phone Number: (970) 203-1370
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Address: 4508 Endeavor Dr, Johnstown, CO 80534
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Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders Johnstown
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders has a BuildZoom score of 102, which places them above 89% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders has worked on at least
12.0 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
|
4 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders mostly works on
home addition
and commercial renovation
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $150,000. This graph shows the distribution of these job values.
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 Sampson Construction Co Inc.Thad.Lienemannsampson-Constr...
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolition of existing front desk construction of a new front desk and work area (includes electrical) installation of a new security gate. job contact: susan downing 970-581-7607
Valuation:
$470,000
Permit #:
B2405981
Status:
complete
Fee:
$3,269
Permit Type:
N/A
Building Type:
N/A
Tenant finish of 6344 sq ft for clark & enersen to include upgrades to a portion of the existing space. scope includes demoing existing offices and creating new office spaces. new lighting/power will be provided and mechanical hvac modifications as required. carpet and paint new finishes. job contact matthew petrotta 970.682.5733 main entrance to ste 300 is through ste 200. tenant lea... see more
Valuation:
$226,265
Permit #:
B2307492
Status:
complete
Fee:
$7,090
Permit Type:
N/A
Building Type:
N/A
Phase 2 addition of platform viewing area for ada seating and new ada compliant doors. work to also include demolition of existing stairway adding ada platforms with new railings paint and flooring. upgrading some electrical no mechanical work to be done in this phase. job contact: tba
Valuation:
$100,000
Permit #:
B2301867
Status:
triage
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Phase 1 addition of an ada lift. work to include demolition of existing walls new walls new structural steel being erected revised electrical plumbing and hvac modifications with new paint and floor coverings. job contact: don morh 307-640-0398
Valuation:
$150,000
Permit #:
B2301864
Status:
complete
Fee:
$1,349
Permit Type:
N/A
Building Type:
N/A
Remodel existing office space to addition private office. remodel an open work area to create an enclosed conference room. adding window into an existing all in the conference room. the electrical work will be lowering existing outlets and data ports so they are at standard height. job contact: victor trowbridge 970-443-0367
Valuation:
$52,627
Permit #:
B2409171
Status:
complete
Fee:
$744
Permit Type:
N/A
Building Type:
N/A
Tenant finish of 2262 sq ft for clark & enersen to upgrade existing office space. interior demolition to create more open work spaces. additional work to include new lighting & power w mechanical hvac modifications as required. job contact: ryan hockersmith (970) 420 - 7765 updated 11/13/23 (tenant leases suites 300 & 310. renovation work will occur in both suites but permitting for e... see more
Valuation:
$147,030
Permit #:
B2307268
Status:
complete
Fee:
$4,767
Permit Type:
N/A
Building Type:
N/A
New restroom concessions and press box for fa stadium
Valuation:
$1,950,000
Permit #:
BCN2209-0251
Status:
issued
Fee:
$82,863
Permit Type:
Educational
Building Type:
N/A
Renovation of 3451 sq ft existing office space. work to include removing selected walls replacing lighting small alterations to ductwork relocating fire sprinkler heads as needed and addition of one exterior mechanical unit (ground-mounted). no changes to plumbing. job contact: brad bakel 970-218-5126
Valuation:
$275,000
Permit #:
B2000520
Status:
complete
Fee:
$9,423
Permit Type:
N/A
Building Type:
N/A
2 classroom addition and renovation of school buildings
Valuation:
$3,250,000
Permit #:
BCX2209-0250
Status:
issued
Fee:
$21,423
Permit Type:
Addition
Building Type:
N/A
Greeley central high school secure vestibule addition
Valuation:
$3,000,000
Permit #:
BCX2205-0302
Status:
final
Fee:
$20,009
Permit Type:
Addition
Building Type:
N/A
Heath middle school renovation/addition
Valuation:
$7,000,000
Permit #:
BCX2205-0306
Status:
final
Fee:
$44,355
Permit Type:
Addition
Building Type:
N/A
First time tenant finish of 2 107 sq. ft. to include new office space conference room kitchen break area with 1 accessible restroom with a shower and a second 1/2 bathroom. work to include all new electrical lighting and mechanical systems
Valuation:
$125,000
Permit #:
B1907859
Status:
complete
Fee:
$4,735
Permit Type:
N/A
Building Type:
N/A
Sanitary sewer tie in to city main on 16th st
Valuation:
$50,000
Permit #:
PWROW2301-0164
Status:
issued
Fee:
$1,681
Permit Type:
Development
Building Type:
N/A
Construction of a new commercial one story wood frame community assembly building on concrete crawl space foundation including attached covered concrete patio and entry. the scope of work for this permit extends to the edge of covered open patios or five feet from thee building perimeter except for landscaping. refer to brighton crossing filing no 2-5th amd tract q final development p... see more
Valuation:
N/A
Permit #:
BP-19-03995
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Office w vehicle parking
Valuation:
$1,537,328
Permit #:
N15710
Status:
final
Fee:
$7,572
Permit Type:
324 (new offices ...
Building Type:
N/A
Full building permit for mcauliffe stem academy addition
Valuation:
$13,327,961
Permit #:
BCX2009-0077
Status:
issued
Fee:
$252,645
Permit Type:
Addition
Building Type:
N/A
Tenant remodel -- renovation/conversion of 4,203 sf of existing lab space into private offices and open office space. (offices associated with on-site labs and manufacturing use.) reconfiguration of sprinkler heads through separate permit, separate review and separate approval through city of boulder fire rescue.
Valuation:
N/A
Permit #:
PMT2017-04435
Status:
complete
Fee:
$7,838
Permit Type:
N/A
Building Type:
N/A
Tenant remodel -- renovation/conversion of 4, 203 sf of existing lab space into private offices and open office space. (offices associated with on-site labs and manufacturing use.) reconfiguration of sprinkler heads through separate permit separate review and separate approval through city of boulder fire rescue
Valuation:
N/A
Permit #:
PMT2017-04435-MEC
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant remodel -- renovation/conversion of 4, 203 sf of existing lab space into private offices and open office space. (offices associated with on-site labs and manufacturing use.) reconfiguration of sprinkler heads through separate permit separate review and separate approval through city of boulder fire rescue
Valuation:
N/A
Permit #:
PMT2017-04435-ELE
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant remodel -- renovation/conversion of 4, 203 sf of existing lab space into private offices and open office space. (offices associated with on-site labs and manufacturing use.) reconfiguration of sprinkler heads through separate permit separate review and separate approval through city of boulder fire rescue
Valuation:
N/A
Permit #:
PMT2017-04435
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders Reviews
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Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders License info
Verified License
| License # | CL-007065-2026 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | General - Class B |
| Date Issued | 03-31-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CL5056 |
| Status | Active |
| County | Larimer County, Co |
| Type | Class A |
| Class | Class A |
| Date Issued | 02-09-2026 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the Larimer County.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC002439 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 10-08-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-25-0032 |
| Status | Active |
| County | Boulder County |
| Type | Commercial Or Residential Construction |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC202400233 |
| Status | Active |
| City | Thornton |
| Type | Class D Excavation/Grading Expires 2026 05 15 Class B Building Contractor Expires 2026 12 19 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Building Contractor Class B2 |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | B-543(DR) |
| Status | Active |
| City | Fort Collins |
| Type | Gen Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the City of Fort Collins.
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Verified License
| Status | Active |
| City | Aurora |
| Type | Commercial Building Contractor |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0010960 |
| Status | Active |
| City | Boulder |
| Type | General Contractor |
| Class | Class A |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | A-108E-248 |
| Status | Active |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of May, 2010.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-007064-2026 |
| Status | Inactive |
| City | Centennial |
| Type | General |
| Class | General - Class A |
- According to the Centennial Community Development Contractor Licensing, 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 Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0010960-GENCA |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class A |
- According to the Boulder Licensing Board, 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 Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | A-108 |
| Status | Inactive |
| City | Fort Collins |
| Type | Gen Contractor |
- According to the City of Fort Collins, 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 Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the City of Fort Collins.
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Inactive License
| License # | E-248 |
| Status | Inactive |
| City | Fort Collins |
| Type | Gen Contractor |
- According to the City of Fort Collins, 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 Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders at the City of Fort Collins.
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102
BuildZoom Score
Insured
| Insurer | Travelers Insurance |
34
Permits
- Building permit records show that Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders has worked on 34 permitted projects.
Sampson Construction Co Inc.Thad.Lienemannsampson-Construction.Com Sand Canyon Builders Employees
AS
A.John Sampson
Owner
BZ
Bruce Zink
Owner
RF
Rick Fleming
RH
Rodney Hyler
SH
Samuel Hosfelt
Owner
TL
Thad Lienemann
TH
Thad Lienemannrodney Hyler
Owner