Updated: Jun 06, 2026
Location and Projects
Address
11532 Saint Paul Court, Thornton, CO, 80233
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Maize Mechanical
Maize Mechanical, 11532 Saint Paul Ct, Thornton, CO (Owned by: Cornelio Martinez) holds a Mechanical license and 11 other licenses according to the Boulder license board.
Their BuildZoom score of 106 ranks in the top 7% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Maize Mechanical, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Maize Mechanical Contact Information
Phone Number: (720) 690-0995
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Address: 11532 Saint Paul Court, Thornton, CO 80233
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Maize Mechanical Thornton
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Maize Mechanical has a BuildZoom score of 106, which places them above 93% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2026 |
|
24 projects
|
2025 |
|
12 projects
|
2024 |
Our building permit records indicate that Maize Mechanical has worked on at least
37.0 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
|
3 projects
|
Home Additions |
|
31 projects
|
HVAC projects |
|
18 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Maize Mechanical mostly works on
hvac project
and mechanical project
projects.
Pricing
|
7 projects
|
< $5k |
|
23 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $12,800. 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.
Like for like water source heat pump chasis and new 24v controls and ecm motor. break downsize from 20 to 15 with compatible breaker (eaton)
Valuation:
$651,000
Permit #:
2024-MECH-0008518
Status:
final
Fee:
$3,727
Permit Type:
N/A
Building Type:
Commercial
Replace 5 ton air conditioning and 100k btu high efficiency unit with 5 ton bosch heat pump paired with bosch %96 furnace. electrical amps are the same so reconnect. reuse line set all new plastic glued vents for fuel burning appliances must undergo pressure testing. to facilitate the inspection process please provide photographic evidence of the pressure test directly to the assigned... see more
Valuation:
$0
Permit #:
MEC2025-01391
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Install high efficiency furnace and heat pump. reconnect electrical on furnace and condenser
Valuation:
$15,658
Permit #:
RONE-25-01838
Status:
complete
Fee:
$481
Permit Type:
N/A
Building Type:
N/A
Install 4 zone cold climate mini split heat pump 3 upstairs 1 in main floor
Valuation:
$17,846
Permit #:
2025-MECH-0001804
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
Single family res...
Install vent piping for bathroom fan with sidewall termination install vent piping for kitchen hood (390) cfm with sidewall termination
Valuation:
$1,500
Permit #:
MEP-5397-2024
Status:
expired
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Replace 80k btu furnace with 80k btu furnace 80% eff
Valuation:
$4,800
Permit #:
RONE-25-00257
Status:
issued
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
Residential one stop - air conditioning new installation
2025-07-30
Install 3 ton heat pump on existing furnace with line set and electrical intalled by builder
Valuation:
$7,500
Permit #:
RONE-25-02740
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioning
Valuation:
$18,175
Permit #:
RMIS25-00784
Status:
expired
Fee:
$446
Permit Type:
2 or more appliances
Building Type:
N/A
Install 3 zone cold climate heat pump
Valuation:
$17,300
Permit #:
2025-MECH-0001387
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
Single family res...
Condenser changeout for heat pump - furnace replaced with 96% electrical amps same
Valuation:
$19,675
Permit #:
2025-MECH-0003821
Status:
issued
Fee:
$179
Permit Type:
N/A
Building Type:
Single family res...
Replace air conditioning coil and furnace
Valuation:
N/A
Permit #:
BLDG25-1318
Status:
final
Fee:
$490
Permit Type:
Heat pump
Building Type:
N/A
4 head cold climate mini split
Valuation:
$18,655
Permit #:
2025-MECH-0000903
Status:
final
Fee:
$171
Permit Type:
N/A
Building Type:
Single family res...
Water source heat pumps 1 ton with ecm fan motor and 24v controls
Valuation:
$79,800
Permit #:
2024-MECH-0007641
Status:
withdrawn
Fee:
$630
Permit Type:
N/A
Building Type:
Multi-family resi...
Hvac system change out to heat pump and high efficiency furnace
Valuation:
$19,674
Permit #:
RONE-25-01901
Status:
complete
Fee:
$592
Permit Type:
N/A
Building Type:
N/A
Adding ventilation for range hood and make up air. 2 6 inch penetrations through side wall in attic
Valuation:
$1,850
Permit #:
2024-MECH-0004351
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Replace air conditioning coil and furnace
Valuation:
N/A
Permit #:
HVAC_R2024-00037
Status:
final
Fee:
N/A
Permit Type:
Furnace and air c...
Building Type:
N/A
Replace air conditioning coil and furnace
Valuation:
N/A
Permit #:
HVAC_R2024-00037
Status:
final
Fee:
N/A
Permit Type:
Furnace and air c...
Building Type:
N/A
Replace existing furnace and air conditioning with bosch dual fuel heat pump application
Valuation:
$14,400
Permit #:
2024-MECH-0007633
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
Single family res...
Furnace and air conditioning replacement with heat pump and furnace
Valuation:
$14,350
Permit #:
MECH25-00314
Status:
issued
Fee:
$472
Permit Type:
Residential
Building Type:
N/A
Residential one stop - air conditioning replacement
2025-08-11
Replace 3ton 30amp air conditioning with 3 ton 30amp heat pump
Valuation:
$4,800
Permit #:
RONE-25-02718
Status:
complete
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
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Maize Mechanical Reviews
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Verified License
BuildZoom confirmed this contractor's license
Maize Mechanical License info
Verified License
| License # | LIC-01001376 |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
| Date Issued | 05-24-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Maize Mechanical at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 26-000160 |
| Status | Active |
| City | Lafayette |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Maize Mechanical at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC002672 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 02-17-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Maize Mechanical 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 | 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
| License # | AEC11516 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 01-08-2026 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Maize Mechanical at the The City of Arvada, Colorado.
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 May 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 May 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 May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-24-0111 |
| Status | Active |
| County | Boulder County |
| Type | Commercial Mechanical Installations And Repair |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Maize Mechanical at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Hvac |
- BuildZoom has not verified this license since September, 2024.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2403813 |
| 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 Maize Mechanical at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC202400070 |
| 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. If this is your business, please update your license status.
Check this license's status for Maize Mechanical at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
38
Permits
- Building permit records show that Maize Mechanical has worked on 38 permitted projects.
Maize Mechanical Employees
CM
Cornelio Martinez
Owner