Updated: Jun 16, 2026
Location and Projects
Address
5355 S Hoyt St, Littleton, CO, 80123
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United Heating & Plumbing LLC
United Heating & Plumbing LLC, 5355 S Hoyt St, Littleton, CO (Owned by: Greg Nielsen) holds a Sub Contractor license and 8 other licenses according to the Fort Collins license board.
Their BuildZoom score of 101 ranks in the top 12% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring United Heating & Plumbing LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
United Heating & Plumbing LLC Contact Information
Phone Number: (720) 401-3705
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Address: 5355 S Hoyt St, Littleton, CO 80123
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United Heating & Plumbing LLC Littleton
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
United Heating & Plumbing LLC has a BuildZoom score of 101, which places them above 88% of 55,949 contractors in Colorado.
Activity
|
8 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that United Heating & Plumbing LLC has worked on at least
9.0 projects over the past 2 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
|
Mechanical projects |
|
6 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that United Heating & Plumbing LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
4 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
The typical size of their permits is approximately $7,750. 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 United Heating & Plumbing LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement of furnace and air conditioning with new equipment 80% efficiency furnace : 1 air conditioner : 1 total : 2
Valuation:
$10,000
Permit #:
B2507220
Status:
issued
Fee:
$388
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace and air conditioning with like models
Valuation:
$12,000
Permit #:
2025-MECH-0003299
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Multi-family resi...
Replace furnace and air conditioning in attic. replace furnace in basement with high efficiency unit modify duct work to cover rooms
Valuation:
$20,000
Permit #:
2024-MECH-0005980
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
Single family res...
Furnace and air conditioning replacement
Valuation:
$7,500
Permit #:
RPLS25-00073
Status:
issued
Fee:
$223
Permit Type:
Replace furnace a...
Building Type:
N/A
Replace furnace and air conditioning like for like
Valuation:
$10,000
Permit #:
24-1195
Status:
final
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Building fire previously xcel energy needs a test of the gas line to make sure there are no leaks
Valuation:
$500
Permit #:
2024-PLUMB-0012469
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Duplex
Replace furnace and air conditioning with same size efficiency as existing
Valuation:
$8,000
Permit #:
2024-MECH-0006604
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Multi-family resi...
Single family residence fire damage repair
Valuation:
$225,000
Permit #:
18-4119
Status:
final
Fee:
$10,642
Permit Type:
Meadows
Building Type:
N/A
Interior gas line
Valuation:
$3,000
Permit #:
22-04781
Status:
complete
Fee:
$83
Permit Type:
Interior gas line
Building Type:
N/A
New gas line for residence
Valuation:
$3,500
Permit #:
2024-MECH-0007999
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Single family res...
Install new furnace and duct work gas piping ng (gng) furnace (fr) duct work (dw)
Valuation:
N/A
Permit #:
19103353 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
22107455 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
Replace water heater
Valuation:
$1,200
Permit #:
2021-PLUMB-0004993
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Holding propane tanks on site for outdoor fire towers
Valuation:
N/A
Permit #:
2019-FIRE-0006473
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace gas line in house from meter due to fire
Valuation:
$1,500
Permit #:
2019-PLUMB-0000177
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Remodel: 3019 s cherry way
Valuation:
$7,500
Permit #:
2019-MECH-0000075
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
No Description Available
Valuation:
N/A
Permit #:
20128828 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
19103353 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
22131905 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
22101074 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
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United Heating & Plumbing LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
United Heating & Plumbing LLC License info
Verified License
| License # | H-2774(RR) |
| Status | Active |
| City | Fort Collins |
| Type | Sub Contractor |
| Date Issued | 07-03-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for United Heating & Plumbing LLC at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D11542 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 01-14-2026 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for United Heating & Plumbing LLC at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA220237 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for United Heating & Plumbing LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Gas Service |
- 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.
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 United Heating & Plumbing 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 November, 2021. Check the current license status of United Heating & Plumbing 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.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Steam & Hot Water |
- 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 | 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. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | Midvale Indemnity |
23
Permits
- Building permit records show that United Heating & Plumbing LLC has worked on 23 permitted projects.
United Heating & Plumbing LLC Employees
GN
Greg Nielsen
Owner
UP
United Hvac And Plumbing
Owner