Updated: Jul 10, 2026
Location and Projects
Address
6550 FRANKLIN ST, Denver, CO, 80229
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J.R. Main Electric, Inc
J.R. Main Electric, Inc, 6550 Franklin St, Denver, CO (Owned by: Robert Mccready) holds a Contractor license and 35 other licenses according to the Littleton license board.
Their BuildZoom score of 103 ranks in the top 10% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring J.R. Main Electric, Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
J.R. Main Electric, Inc Contact Information
Phone Number: (720) 581-7405
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Address: 6550 FRANKLIN ST, Denver, CO 80229
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J.R. Main Electric, Inc Denver
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
J.R. Main Electric, Inc has a BuildZoom score of 103, which places them above 90% of 55,949 contractors in Colorado.
Activity
|
3 projects
|
2025 |
|
8 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that J.R. Main Electric, Inc has worked on at least
19.0 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
|
Electrical projects |
Analyzing permits over the last 4 years shows that J.R. Main Electric, Inc mostly works on
electrical project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $33,616. 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 J.R. Main Electric, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace (2) rooftop units and (1) split system at chase bank villa monaco with new dual fuel heat pumps. remove existing equipment and properly dispose of supply crane to remove existing and install new equipment set new equipment and connect with existing electrical gas and controls install economizers on (2) new rtu’s for free cooling when temps allow preform start-up on all (3) pie... see more
Valuation:
$59,411
Permit #:
2024-MECH-0005417
Status:
final
Fee:
$590
Permit Type:
N/A
Building Type:
N/A
Replace (2) rooftop units and (1) split system at chase bank villa monaco with new dual fuel heat pumps. remove existing equipment and properly dispose of supply crane to remove existing and install new equipment set new equipment and connect with existing electrical gas and controls install economizers on (2) new rtu’s for free cooling when temps allow preform start-up on all (3) pie... see more
Valuation:
$59,411
Permit #:
2024-LOG-0001725
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Like for like replacement of chillers and chiller pumps like for like
Valuation:
$525,577
Permit #:
CD-23-01067
Status:
issued
Fee:
N/A
Permit Type:
HVAC
Building Type:
N/A
Hattendorf farms furnace and air conditioning system replacement bts will replace the existing furnace coil and condensing unit serving the existing residence. restore the furnace and condensing unit to operate as a dual fuel heat pump
Valuation:
$16,247
Permit #:
BDP24-4039
Status:
issued
Fee:
$234
Permit Type:
Replacement
Building Type:
N/A
Disconnect existing pipping and valves from currently marley cooling towers. replace cooling towers with exact same model from manufacture to include new butterfly valves and chain operators. tie in existing pipe to new cooling tower
Valuation:
$115,121
Permit #:
2022-LOG-0014166
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing a hvac roof top unit with new electrical service added to serve the new unit. weight of new unit is less than what is being removed
Valuation:
$340,990
Permit #:
2022-MECH-0002462
Status:
final
Fee:
$2,120
Permit Type:
N/A
Building Type:
Commercial
Apex cooling tower replacement
Valuation:
$452,517
Permit #:
CMIS23-00011
Status:
final
Fee:
$2,981
Permit Type:
N/A
Building Type:
N/A
Bts will replace the existing furnace coil and condensing unit serving the existing residence. restore the furnace and condensing unit to operate as a dual fuel heat pump
Valuation:
$16,247
Permit #:
BDP24-1297
Status:
expired
Fee:
$234
Permit Type:
Replacement
Building Type:
N/A
Replacing current carrier 5-ton package unit with carrier's equivalent new 5-ton package unit. these are like for like units with no adapters required
Valuation:
$25,688
Permit #:
2022-BOILERAC-0000868
Status:
final
Fee:
$228
Permit Type:
N/A
Building Type:
Commercial
Installation of an exhaust fan to exhaust fumes from the printer in the sign shop along with a make-up air system including an electric heater to temper the make up air per the stamped drawings. electrical by other city contractor-vaughn's electric
Valuation:
$24,665
Permit #:
BP-21-00685
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove two (2) existing state 300, 000 btu water heaters and replace with one (1) rbi mb-100 boiler and one (1) turbomax hot water generator. provide al29-4c stainless steel flue pipe and fittings for venting the boiler. work per attached engineered drawings
Valuation:
$63,647
Permit #:
BP-21-00649
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of (6) existing domestic water thermostatic mixing valves and the additions of (2) new domestic water thermostatic mixing valves to control water temperatures supplying sinks currently not controlled at the oasis water park
Valuation:
$28,880
Permit #:
BP-21-01055
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Like-for like replacement of existing trane 4-ton package unit (heating and cooling) and like-for-like replacement of existing trane 2.5 ton package unit (heating and cooling)
Valuation:
$24,881
Permit #:
BP-22-00285
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Frisco transit/replace boiler/elect cab heaters
Valuation:
N/A
Permit #:
M25-0076
Status:
issued
Fee:
N/A
Permit Type:
County
Building Type:
N/A
Installation of a roof mounted 4, 000 cfm up blast exhaust fan with a motorized intake damper interlocked with the exhaust fan for the recreation center boiler room. exhaust fan to provide ventilation air to guard against air stagnation and excessive heat in the boiler room. electrical sheetrock & roofing by others. contract # 17m-006
Valuation:
$20,741
Permit #:
BP-20-01341
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (2) 199mbh 100-gal water heaters with (1) 250mbh 100-gal water heater per owner;s direction. replace domestic water mixing valve
Valuation:
$35,296
Permit #:
BP-22-00110
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (2) like for like ground mounted air conditioning units at well #11 pump station. (1) 3-ton and (1) 5-ton. electrical by others
Valuation:
$33,616
Permit #:
BP-23-00958
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of the existing spa boiler at the brighton recreation center with a high efficiency condensing type boiler. installation of a pvc vent from new boiler through existing roof penetration
Valuation:
N/A
Permit #:
BP-20-00531
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of the existing 100gal 199, 000 btu/hr input water heater with a 48gal 65, 000btu/hr input water heater at the brighton train depot
Valuation:
$15,858
Permit #:
BP-21-03095
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of the existing 45, 000 btu natural gas unit heater in the north bay of the city of brighton street shop/office. electrical by others
Valuation:
$8,634
Permit #:
BP-21-02991
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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J.R. Main Electric, Inc License info
Verified License
| License # | D11522 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 12-08-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for J.R. Main Electric, Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Plbg A |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Steam & Hot Water |
- BuildZoom verified this license was active as of July 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 July 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 July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | P200209 |
| Status | Active |
| County | Douglas County |
| Type | Plumbing |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for J.R. Main Electric, Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA200208 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for J.R. Main Electric, Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1857 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for J.R. Main Electric, Inc 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 # | LIC-0009738-MECHA |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
| Date Issued | 04-26-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for J.R. Main Electric, Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-0009738-PLBG |
| Status | Active |
| City | Boulder |
| Type | Plumbing |
| Class | Plumbing |
| Date Issued | 11-03-2025 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for J.R. Main Electric, Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Plumbing |
- BuildZoom verified this license was active as of July 2026.
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 July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 150131009 |
| Status | Active |
| City | Westminster |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for J.R. Main Electric, Inc at the City of Westminster, Colorado.
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Verified License
| License # | LCC2015060500 |
| Status | Active |
| City | Thornton |
| Type | Class D Plumbing/Mechanical Expires 2026 08 14 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for J.R. Main Electric, Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | H-2388-C |
| Status | Active |
| City | Fort Collins |
| Type | Sub Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for J.R. Main Electric, Inc at the City of Fort Collins.
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Verified License
| License # | AEC6224 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 03-18-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for J.R. Main Electric, Inc at the The City of Arvada, Colorado.
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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 J.R. Main Electric, Inc with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0009738 |
| Status | Active |
| City | Boulder |
| Type | Plumbing, Mechanical |
| Class | Class A All UMC Work |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of J.R. Main Electric, Inc with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 27688 |
| Status | Active |
| City | Thornton |
| Type | Mechanical/Plumbing |
- When BuildZoom last verified this license, it had an expiration date of April, 2017. Check the current license status of J.R. Main Electric, Inc 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 # | PC.0001857 |
| Status | Active |
| State | Colorado |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of February, 2019. Check the current license status of J.R. Main Electric, Inc 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 # | 0009738 |
| Status | Active |
| City | Boulder |
| Type | Mechanical Class A All Umc Work |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of J.R. Main Electric, Inc with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25737 |
| Status | Active |
| City | Thornton |
| Type | Mechanical/Plumbing |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of J.R. Main Electric, Inc 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 # | 23795 |
| Status | Active |
| City | Thornton |
| Type | Mechanical/Plumbing |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of J.R. Main Electric, Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1857 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 25737 |
| Status | Inactive |
| State | Colorado |
| Type | Electrician |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1857 |
| Status | Inactive |
| State | Colorado |
| Type | Residential Wireman Work Permit |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2303027 |
| 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. If this is your business, please update your license status.
Check this license's status for J.R. Main Electric, Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P00557 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- According to the The City of Littleton, CO, 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 J.R. Main Electric, Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2202228 |
| 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. If this is your business, please update your license status.
Check this license's status for J.R. Main Electric, Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1340 |
| Status | Inactive |
| State | Colorado |
| Type | Residential Wireman |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 100167 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 5363 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
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. If this is your business, please update your license status.
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. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | EC.0100167 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | EC.0005363 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 J.R. Main Electric, Inc at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Auto Owner |
92
Permits
- Building permit records show that J.R. Main Electric, Inc has worked on 92 permitted projects.
J.R. Main Electric, Inc Employees
BC
Bob Mc Cready
Owner
BM
Bob Mccready
Contact
BS
Building Technology Systems
Owner
BP
Building Technology Systems (D11, P)
Owner
BD
Building Technology Systems D11
Owner
BI
Building Technology Systems, Inc.
CS
Charles R Scalata
GE
G & C Electric
JI
J.R. Main Electric, Inc.
JM
John R Main
JM
John R. Main
MR
Main, John R
MB
Michael Black
Owner
RT
Richard Trotter
Co Owner
RM
Robert A Mccready
Owner
RM
Robert Mccready
Owner