Updated: Jun 09, 2026
Location and Projects
Address
2055 S Oneida St, Denver, CO, 80224
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Hardcastle Company Builders HVAC/Mechanical Contractor
Hardcastle Company Builders, LLC, 2055 S Oneida St, Denver, CO (Owned by: Bill Hardcastle) holds a Contractor license and 24 other licenses according to the Arvada license board.
Their BuildZoom score of 112 ranks in the top 3% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hardcastle Company Builders, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hardcastle Company Builders, LLC Services
Start a project today:
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
HVAC
Framing
Sheet Metal Work
Garage Construction
Mechanical Work
Other Commercial New Constr...
Addition
Hardcastle Company Builders, LLC Contact Information
Phone Number: (720) 482-9293
Address: 2055 S Oneida St, Denver, CO 80224
Hardcastle Company Builders, LLC Denver
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hardcastle Company Builders, LLC has a BuildZoom score of 112, which places them above 97% of 55,949 contractors in Colorado.
Activity
|
12 projects
|
2025 |
|
45 projects
|
2024 |
|
31 projects
|
2023 |
Our building permit records indicate that Hardcastle Company Builders, LLC has worked on at least
88.0 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
|
6 projects
|
New Constructions |
|
4 projects
|
Home Additions |
|
69 projects
|
Mechanical projects |
|
41 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Hardcastle Company Builders, LLC mostly works on
mechanical project
and hvac project
projects.
Pricing
|
15 projects
|
< $5k |
|
50 projects
|
$5k-$20k |
|
7 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
The typical size of their permits is approximately $7,500. 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 Hardcastle Company Builders, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
New 1-story restaurant building culver's restaurant 5035 tower road this project will include the construction of a new fast food restaurant (culver's) on a vacant site and the development of that site. the building will contain a dining room kitchen storage restrooms a covered patio a covered entry way a drive-through for ordering. the site will include a screening wall
Valuation:
$202,781
Permit #:
2023-MECH-0006867
Status:
final
Fee:
$1,347
Permit Type:
N/A
Building Type:
N/A
An existing garage is to recieve a 145 square foot addition and be converted into an adu
Valuation:
$150,000
Permit #:
ADU-24-00003
Status:
complete
Fee:
$4,364
Permit Type:
N/A
Building Type:
N/A
4150 n osage - redline athletics-new tenant-coo tenant finish & remodel of 18 105 sf commercial building. scope of work includes all new plumbing electrical and mechanical systems; addition of a new second floor mezzanine; new interior partition walls & restrooms; new storefront and handicap accessible ramp
Valuation:
$175,000
Permit #:
2021-MECH-0006113
Status:
final
Fee:
$1,190
Permit Type:
N/A
Building Type:
N/A
Commercial interior tenant improvement. no exterior work. demolish work includes demolish of interior partitions/doors and demolish and relocation of select ceiling fixtures. see demolish plan. new work includes new interior partitions/doors new outlets/data new ceiling fixtures new furniture/finishes. see plans
Valuation:
$30,581
Permit #:
2022-MECH-0008809
Status:
final
Fee:
$268
Permit Type:
N/A
Building Type:
Commercial
New 1-story restaurant building culver's restaurant 5035 tower road this project will include the construction of a new fast food restaurant (culver's) on a vacant site and the development of that site. the building will contain a dining room kitchen storage restrooms a covered patio a covered entry way a drive-through for ordering. the site will include a screening wall
Valuation:
$19,000
Permit #:
2023-BOILERAC-0000668
Status:
final
Fee:
$171
Permit Type:
N/A
Building Type:
N/A
The scope of work involves the remodel of 2 existing memory care units. the 2 units currently have a shared bathroom. the remodel will provide individual bathrooms to each unit. the existing building is a 6 story structure and was permitted in 2016 under the 2009 ibc. the scope is limited to work within the 2 units. no work is proposed in any of the commons areas or corridors. all the... see more
Valuation:
$800
Permit #:
2023-MECH-0004527
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Interior alteration to remove one shared toilet room and create separate accessible single user restrooms for each unit. partitions to be non-combustible. install new plumbing fixtures lighting and finishes. no proposed change in occupant load
Valuation:
$1,300
Permit #:
2022-MECH-0009593
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
Install new furnace air conditioning and air conditioning coil new insulated duct flex duct boots bathroom fan dryer vent and range hood
Valuation:
$17,000
Permit #:
2024-MECH-0007628
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
Single family res...
Change of contractor: 2751 w 28th ave - mud interior remodels the existing building located on this property is a (10) unit multi-family residence. the building owner plans to refresh the interior of the units with new kitchen cabinets and appliances new bathroom layouts and fixtures and new electrical fixtures. additionally they plan to update the heating & cooling system. exterior w... see more
Valuation:
N/A
Permit #:
2022-MECH-0002231
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
Multi-family resi...
Install basement foundation for used & manufactured out of state modular home and installation of modular home with required plumbing heating & electrical
Valuation:
$60,000
Permit #:
BDP20-1417
Status:
issued
Fee:
$3,920
Permit Type:
New
Building Type:
Residential
Remodel of 2 main floor bathrooms and lower level bathroom (ho will taking over permit to schedule final inspections gc is not returning their calls)
Valuation:
$45,000
Permit #:
23-000634
Status:
issued
Fee:
$2,416
Permit Type:
N/A
Building Type:
N/A
Install one furnace coil duct bathroom fans in upper level. install one furnace coil duct bathroom fans in lower level. install 2 condensers at rear of house
Valuation:
$30,000
Permit #:
2024-MECH-0001239
Status:
final
Fee:
$260
Permit Type:
N/A
Building Type:
Single family res...
Unit b - new 450 garage adu
Valuation:
$205,000
Permit #:
B202504000
Status:
filed
Fee:
$13,277
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioning duct runs bathroom fans and dryer vent
Valuation:
$15,000
Permit #:
2025-MECH-0001633
Status:
issued
Fee:
$139
Permit Type:
N/A
Building Type:
Single family res...
Phase two of a two phase tenant finish project being permitted separately per tenant request. phase one was submitted previously today. interior tenant finish of existing space by existing client. no exterior work no structural work. removing some existing non-structural interior partitions and adding others to define new storage area and office space. replacing some existing interior... see more
Valuation:
$7,000
Permit #:
2021-MECH-0006614
Status:
final
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Remodel of an existing office space by an existing tenant. non-bearing interior partitions are being removed and added. the existing kitchen is being remodeled by replacing existing cabinets counters and appliances. there is no change of occupancy or use. there is no new space being added and no exterior work. this is a minimal alteration to an existing space
Valuation:
$7,200
Permit #:
2021-MECH-0006610
Status:
final
Fee:
$183
Permit Type:
N/A
Building Type:
Commercial
New adu on property with existing single family residence
Valuation:
$128,000
Permit #:
ADU25-00004
Status:
issued
Fee:
$39
Permit Type:
A
Building Type:
N/A
Install new furnace air conditioning and ductwork for the second floor addition. replace existing furnace in basement move existing supply runs and install bathroom fans
Valuation:
$26,000
Permit #:
2021-MECH-0008822
Status:
final
Fee:
$228
Permit Type:
N/A
Building Type:
Single family res...
This remodel will addition three drying rooms to the existing open warehouse to the north end of the building. there will be a new research and development office with a vestibule added in the same open warehouse. a wing on the east side of the building will have several walls demolished to create a large open area for trimming plants. there will be one new safe room built in this are... see more
Valuation:
$69,000
Permit #:
2020-MECH-0005267
Status:
final
Fee:
$553
Permit Type:
N/A
Building Type:
Commercial
Daniel and kimberly federspiel trust fireplace replacement
Valuation:
N/A
Permit #:
RES25-0079
Status:
final
Fee:
$1,085
Permit Type:
Interior remodel
Building Type:
N/A
Hardcastle Company Builders, LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Hardcastle Company Builders, LLC License info
Verified License
| License # | AEC6834 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 05-13-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hardcastle Company Builders, LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC8610 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Hardcastle Company Builders, LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC6834 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Hardcastle Company Builders, LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Mechanical Systems 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
| Status | Active |
| City | Denver |
| Type | H & V A |
- 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
| Status | Active |
| City | Denver |
| Type | Refrigeration A |
- 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 # | MA200416 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Hardcastle Company Builders, LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C150370 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Hardcastle Company Builders, LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | A120461 |
| Status | Active |
| County | Douglas County |
| Type | General A |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Hardcastle Company Builders, LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC2583 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Hardcastle Company Builders, LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC2266 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hardcastle Company Builders, 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
| Status | Active |
| County | Jefferson County |
| Type | Class A Mechanical (Unrestricted) |
| Class | Unrestricted |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Hardcastle Company Builders, LLC with the Jefferson County Licensed Contractors
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 June, 2021. Check the current license status of Hardcastle Company Builders, 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 # | 2583 |
| Status | Active |
| Town | Parker |
| Type | Contractor, General |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Hardcastle Company Builders, LLC with the The Town of Parker, Colorado
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 26314 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of June, 2018. Check the current license status of Hardcastle Company Builders, LLC with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2266 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom has not verified this license since March, 2016.
Verify this license's status for Hardcastle Company Builders, 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 # | CEN-13-08177 |
| Status | Active |
| City | Centennial |
| Type | General Contractor Class B |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Hardcastle Company Builders, LLC with the Centennial Community Development Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2201794 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hardcastle Company Builders, LLC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC202100026 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
- 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 Hardcastle Company Builders, LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Commercial Building Contractor |
- According to the Aurora, Colorado, 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 | Aurora |
| Type | Mechanical Systems Contractor |
- According to the Aurora, Colorado, 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 |
- 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 |
- 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 # | 130531012 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hardcastle Company Builders, LLC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015062961 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
- 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 Hardcastle Company Builders, LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
583
Permits
- Building permit records show that Hardcastle Company Builders, LLC has worked on 583 permitted projects.
Hardcastle Company Builders, LLC Employees
BH
Bill Hardcastle
Owner
DD
Daniel Dahlberg
Owner
DH
David Hardcastle
Owner
HL
Hardcastle Mechanical Design Llc
Mechanical