Updated: Jul 15, 2026
Location and Projects
Address
PO Box 964, Castle Rock, CO, 80104
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Roupp Constructors Ltd Photos
Roupp Constructors Ltd HVAC/Mechanical Contractor
Roupp Constructors Ltd, Castle, Po Box 964, Castle Rock, CO (Owned by: Randall A. Mills) holds a General Unlimited Class A license and 30 other licenses according to the Castle Rock license board.
Their BuildZoom score of 105 ranks in the top 8% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Roupp Constructors Ltd, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Roupp Constructors Ltd Contact Information
Phone Number: (720) 422-5643
Address: PO Box 964, Castle Rock, CO 80104
Roupp Constructors Ltd Castle Rock
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Roupp Constructors Ltd has a BuildZoom score of 105, which places them above 92% of 55,949 contractors in Colorado.
Activity
|
6 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Roupp Constructors Ltd has worked on at least
10.0 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
|
3 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Roupp Constructors Ltd mostly works on
commercial renovation
projects.
Pricing
|
3 projects
|
< $5k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $80,000. 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 Roupp Constructors Ltd
This is a sample of this contractor's permits. Click here to access their complete permit history.
Banyan treatment center commercial tenant improvement
Valuation:
$273,280
Permit #:
24-2065
Status:
final
Fee:
$11,227
Permit Type:
Tenant improvement
Building Type:
N/A
New commercial building (conditioned) + fuel canopy
Valuation:
$200,000
Permit #:
Details
Status:
filed
Fee:
$100
Permit Type:
327 (stores and o...
Building Type:
N/A
Pediatrics at the meadows commercial tenant improvement
Valuation:
$110,000
Permit #:
23-4941
Status:
final
Fee:
$4,741
Permit Type:
Tenant improvement
Building Type:
N/A
Pediatrics at the meadows commercial tenant improvement
Valuation:
$110,000
Permit #:
23-4941
Status:
final
Fee:
$4,741
Permit Type:
Tenant improvement
Building Type:
N/A
Brookside ii skilled nursing facility
Valuation:
$7,375,000
Permit #:
18-4341
Status:
final
Fee:
$464,877
Permit Type:
Commercial new
Building Type:
N/A
Run gas lines to new rtus. run water line to outdoor spigot
Valuation:
N/A
Permit #:
PLUM24-0179
Status:
final
Fee:
$143
Permit Type:
Commercial sub co...
Building Type:
N/A
Parker task force fa new and remodel update submittal
Valuation:
N/A
Permit #:
FA24-0074
Status:
final
Fee:
$772
Permit Type:
Nfpa 72 new
Building Type:
N/A
Parker task force building addition - 5 600sf
Valuation:
N/A
Permit #:
GRD24-0007
Status:
final
Fee:
$553
Permit Type:
Less than one acre
Building Type:
N/A
Parker task force 5 560sf addtion
Valuation:
N/A
Permit #:
COM23-0171
Status:
final
Fee:
$15,223
Permit Type:
New
Building Type:
N/A
Au - barn
Valuation:
$445,095
Permit #:
17-02366
Status:
complete
Fee:
$7,177
Permit Type:
New
Building Type:
Accessory use
Bi-directional amplification review
Valuation:
N/A
Permit #:
COM24-0145
Status:
canceled
Fee:
$123
Permit Type:
Miscellaneous
Building Type:
N/A
Ducted hvac system for com23-0171
Valuation:
N/A
Permit #:
MECH24-0123
Status:
final
Fee:
$85
Permit Type:
Commercial sub co...
Building Type:
N/A
Parker task force building sprinkler submittal
Valuation:
N/A
Permit #:
FS24-0085
Status:
final
Fee:
$1,317
Permit Type:
Nfpa 13
Building Type:
N/A
Service change/upgrade
Valuation:
$23,350
Permit #:
21-04090
Status:
issued
Fee:
$177
Permit Type:
Service change/up...
Building Type:
N/A
644 n columbine st - reroof
Valuation:
N/A
Permit #:
2024-COA-0000604
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Existing office - demolish partial walls
Valuation:
$1,000
Permit #:
23-4663
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Replace fire alarm control panel (facp) electrical wiring (wir)
Valuation:
$3,750
Permit #:
19104658 00000EP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Office
Commercial retaining wall
Valuation:
$15,000
Permit #:
20-0012
Status:
final
Fee:
$790
Permit Type:
N/A
Building Type:
N/A
Tenant finish
Valuation:
N/A
Permit #:
ELEC24-0212
Status:
final
Fee:
$126
Permit Type:
Commercial sub co...
Building Type:
N/A
(3) wall sign illuminated
Valuation:
$500
Permit #:
O63821
Status:
final
Fee:
$50
Permit Type:
3292 (new signs)
Building Type:
N/A
Roupp Constructors Ltd Reviews
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Verified License
BuildZoom confirmed this contractor's license
Roupp Constructors Ltd License info
Verified License
| License # | CR23-0965 |
| Status | Active |
| Town | Castle Rock |
| Type | General Unlimited Class A |
| Date Issued | 06-15-2026 |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Roupp Constructors Ltd at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC8116 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Roupp Constructors Ltd at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3589 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Roupp Constructors Ltd at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3278 |
| Status | Active |
| State | Colorado |
| Type | Electrician |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Roupp Constructors Ltd at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA160512 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Roupp Constructors Ltd at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | E94225 |
| Status | Active |
| County | Douglas County |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Roupp Constructors Ltd at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class A Contractor (Unrestricted) |
| Class | Unrestricted |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Roupp Constructors Ltd with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | A120229 |
| Status | Active |
| County | Douglas County |
| Type | General A |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Roupp Constructors Ltd with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0001476 |
| Status | Active |
| City | Boulder |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Roupp Constructors Ltd with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 28249 |
| Status | Active |
| City | Thornton |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of Roupp Constructors Ltd with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | E97225 |
| Status | Active |
| County | Douglas County |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of Roupp Constructors Ltd with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 27290 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | EC.0003589 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of Roupp Constructors Ltd with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ME.0003278 |
| Status | Active |
| State | Colorado |
| Type | Master Electrician |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Roupp Constructors Ltd with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25122 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MA150662 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical Contractor - Class A |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0001476 |
| Status | Active |
| City | Boulder |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CEN-13-02458 |
| Status | Active |
| City | Centennial |
| Type | Electrical Contractor |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Roupp Constructors Ltd at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-13-06486 |
| Status | Active |
| City | Centennial |
| Type | General Contractor Class B |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Centennial Community Development Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 24208 |
| Status | Active |
| City | Thornton |
| Type | Electrical |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23173 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Roupp Constructors Ltd with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 298655 |
| Status | Active |
| State | Texas |
| Type | Me Master Electrician |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of December, 2014. Check the current license status of Roupp Constructors Ltd with the Texas Department of Licensing and Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ME-3278 |
| Status | Active |
| State | Colorado |
| Type | Master Electrician |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Roupp Constructors Ltd with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 19-3172 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Contractor Limited Class B |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0001476-ELEC |
| Status | Inactive |
| City | Boulder |
| Type | Electrical |
| Class | Electrical |
| Business Type | Limited Liability Company (Llc) |
- 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 Roupp Constructors Ltd 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 B Contractor (Up To 3 Stories) |
| Class | Up to 3 Stories |
| Business Type | Limited Liability Company (Llc) |
- 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
| Status | Inactive |
| City | Denver |
| Business Type | Limited Liability Company (Llc) |
- According to the City and County of Denver Community Planning and Development, 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
| Status | Inactive |
| City | Denver |
| Type | General Contractor Class A |
| Business Type | Limited Liability Company (Llc) |
- According to the City and County of Denver Community Planning and Development, 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 # | B00265 |
| Status | Inactive |
| City | Littleton |
| Type | Class B |
| Business Type | Limited Liability Company (Llc) |
- According to the The City of Littleton, CO, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Roupp Constructors Ltd at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015056970 |
| Status | Inactive |
| City | Thornton |
| Type | Class B Building Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the Thornton City Development Contractor License, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Roupp Constructors Ltd at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015006569 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Electrical |
| Business Type | Limited Liability Company (Llc) |
- According to the Thornton City Development Contractor License, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Roupp Constructors Ltd at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Builders Ins Group |
Insured
| Workers Comp Provider | Pinnacol |
198
Permits
- Building permit records show that Roupp Constructors Ltd has worked on 198 permitted projects.
Roupp Constructors Ltd Employees
LI
La Mil Connections Inc
Owner
RM
Randall A Mills
RM
Randall A. Mills
Owner
RM
Randall Mills
Owner
RM
Randy Mills
Owner
RL
Roupp Constructors Ltd
Owner