Updated: Jun 02, 2026
Location and Projects
Address
Serving Area, Castle Rock, CO, 80108
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Rtp Construction LLC
Phone: (303) 880-5362
Welcome to RTP Construction, LLC! We are a full-service home remodeling company based in Castle Rock, CO. We strive to provide outstanding customer service on each and every project, no matter how big or small. Our work isn’t finished until we’ve exceeded your expectations and earned your complete satisfaction with every detail of your home renovation. Full basement finishing, kitchen remodeling, drywall patching—we do it all! If you’re ready to make the most of your Castle Rock home, get in touch with us today for a free estimate.
From BuildZoom: Rtp Construction LLC, Serving, Castle Rock, CO (Owned by: Rick Ellefson) holds a Residential Contractor Class C license and 7 other licenses according to the Castle Rock license board.
Their BuildZoom score of 110 ranks in the top 4% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Rtp Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Rtp Construction LLC Contact Information
Phone Number: (303) 880-5362
Address: Serving Area, Castle Rock, CO 80108
Rtp Construction LLC Castle Rock
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Rtp Construction LLC has a BuildZoom score of 110, which places them above 96% of 55,949 contractors in Colorado.
Activity
|
17 projects
|
2025 |
|
11 projects
|
2024 |
|
17 projects
|
2023 |
Our building permit records indicate that Rtp Construction LLC has worked on at least
45.0 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 |
|
16 projects
|
$5k-$20k |
|
26 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $22,971. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Finishing 950sq basement and adding powder room
Valuation:
$47,082
Permit #:
BLDG25-00193
Status:
final
Fee:
$1,707
Permit Type:
Remodel
Building Type:
N/A
Buildingonline | basement finish 1020sf - living area mechanical room bedroom full bathroom gym
Valuation:
$8,161
Permit #:
1837795
Status:
issued
Fee:
$490
Permit Type:
Basement finish p...
Building Type:
N/A
Rs - basement
Valuation:
$44,403
Permit #:
25-00444
Status:
issued
Fee:
$1,201
Permit Type:
Alteration
Building Type:
Residential
Basement finish
Valuation:
$55,844
Permit #:
BLD-2023-00967
Status:
expired
Fee:
$1,412
Permit Type:
N/A
Building Type:
N/A
Basement finish with kitchen
Valuation:
$28,735
Permit #:
22-3262
Status:
final
Fee:
$4,043
Permit Type:
Accessory dwellin...
Building Type:
N/A
Addition wall in loft
Valuation:
$2,000
Permit #:
23-1315
Status:
final
Fee:
$164
Permit Type:
Remodel
Building Type:
N/A
Basement finish
Valuation:
$29,616
Permit #:
25-0548
Status:
final
Fee:
$1,499
Permit Type:
Basement finish
Building Type:
N/A
Basement finish w gas fireplace
Valuation:
$26,642
Permit #:
24-1128
Status:
final
Fee:
$1,445
Permit Type:
Basement finish
Building Type:
N/A
Finish an unfinished basement. includes bedroom 3/4 bathroom wet bar unfinished storage
Valuation:
$18,000
Permit #:
2020-LOG-0009525
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$21,433
Permit #:
25-1069
Status:
final
Fee:
$1,259
Permit Type:
Basement finish
Building Type:
N/A
Basement finish
Valuation:
$14,501
Permit #:
25-0291
Status:
final
Fee:
$792
Permit Type:
Basement finish
Building Type:
N/A
Finish an unfinished basement
Valuation:
$10,000
Permit #:
RES-24-01338
Status:
complete
Fee:
$662
Permit Type:
N/A
Building Type:
N/A
Rs - basement
Valuation:
$13,059
Permit #:
25-02436
Status:
complete
Fee:
$457
Permit Type:
Alteration
Building Type:
Residential
Finish an unfinished basement
Valuation:
$25,000
Permit #:
RES-21-01694
Status:
applied
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
Basement finish - approx 476 sf - 1 bathroom no bedroom review part of this permit egress window required under separate permit
Valuation:
$29,000
Permit #:
BLD-2017-01870
Status:
complete
Fee:
$748
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$28,222
Permit #:
21-0094
Status:
issued
Fee:
$1,418
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$23,033
Permit #:
24-4597
Status:
final
Fee:
$1,198
Permit Type:
Basement finish
Building Type:
N/A
Basement finish
Valuation:
$33,329
Permit #:
23-0291
Status:
final
Fee:
$1,629
Permit Type:
Basement finish
Building Type:
N/A
Rs - basement
Valuation:
$24,006
Permit #:
23-04313
Status:
issued
Fee:
$766
Permit Type:
Alteration
Building Type:
Residential
Basement finish
Valuation:
$22,602
Permit #:
23-0251
Status:
final
Fee:
$1,164
Permit Type:
Basement finish
Building Type:
N/A
Rtp Construction LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Rtp Construction LLC License info
Verified License
| License # | CR24-0643 |
| Status | Active |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
| Date Issued | 01-20-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Rtp Construction LLC at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Residential 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.
Verified License
| License # | AEC2747 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Rtp Construction LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C160087 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Rtp Construction LLC with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of February, 2022. Check the current license status of Rtp Construction LLC with the City and County of Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2747 |
| Status | Active |
| Town | Parker |
| Type | Contractor, General |
- When BuildZoom last verified this license, it had an expiration date of March, 2017. Check the current license status of Rtp Construction LLC with the The Town of Parker, Colorado
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | AEC001137 |
| Status | Unable To Verify |
| City | Littleton |
| Type | Contractor |
- 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
| Status | Inactive |
| City | Denver |
| Type | D Non Structural Residential Remodel |
- 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.
110
BuildZoom Score
Insured
| Insurer | Country |
110
Permits
- Building permit records show that Rtp Construction LLC has worked on 110 permitted projects.
Rtp Construction LLC Employees
RE
Rick Ellefson
Owner