Updated: Jul 31, 2026
Location and Projects
Address
7935 W 14TH AVE, Lakewood, CO, 80215
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Walrath Heating & Air Conditioning
Walrath Heating & Air Conditioning, 7935 W 14th Ave, Lakewood, CO (Owned by: Benjamin Franzen) holds a Refrigeration A license and 30 other licenses according to the Denver license board.
Their BuildZoom score of 104 ranks in the top 9% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Walrath Heating & Air Conditioning, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Walrath Heating & Air Conditioning Services
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Walrath Heating & Air Conditioning Contact Information
Phone Number: (720) 641-8284
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Address: 7935 W 14TH AVE, Lakewood, CO 80215
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Walrath Heating & Air Conditioning Lakewood
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Walrath Heating & Air Conditioning has a BuildZoom score of 104, which places them above 91% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Walrath Heating & Air Conditioning has worked on at least
13.0 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
|
9 projects
|
HVAC projects |
|
3 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Walrath Heating & Air Conditioning mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $50,000. 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 Walrath Heating & Air Conditioning
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement for orthopedic clinic: revision of existing exam rooms and waiting/support areas. addition of new x ray imaging suite. existing medical office space to be partially demolished in order to renovate into a new medical office space. same total sf and footprint. new layout to include relocated exam room groups restroom and waiting/support areas. new x ray device to be i... see more
Valuation:
$300,000
Permit #:
CEN-20-00292
Status:
complete
Fee:
$8,143
Permit Type:
N/A
Building Type:
N/A
6900 e layton ave - newmont hq - mod dwgs 21-cc-914-floorplan modifications to construction documents after original permit issuance. scope of changes includes floorplan reconfiguration with change to the previous occupancy loads. associated mep work. 2021-commcon-0000914
Valuation:
$133,930
Permit #:
2021-MECH-0006939
Status:
final
Fee:
$960
Permit Type:
N/A
Building Type:
N/A
Approx. 3 000 sq. ft. single story office building for rago enterprise llc
Valuation:
$450,000
Permit #:
BDP20-2624
Status:
complete
Fee:
$13,063
Permit Type:
New
Building Type:
Commercial
Fls 10/11 1601 19th - lewis rocha rothgerber christie - tenant finish this proposed project is a tenant finish project of approximately 30 000sf of a newly built eleven story building. a single tenant will occupy the space on the 10th and 11th floors in this first-time occupancy. three exit stairs were built with the original structure and serve both the 10th and 11th floors providing... see more
Valuation:
$200,000
Permit #:
2021-MECH-0002504
Status:
final
Fee:
$1,530
Permit Type:
N/A
Building Type:
Commercial
Tenant improvement - tenant improvement for a new electrical vehicle retail store on level 1 of anexisting open mall building. work includes: general building out of interior spaces non-structural partitions interior doors suspended ceilings lighting finishes fixtures furnishings equipment installation millwork associated alterations tomecahnical/electrical/plumbing/telecommunications... see more
Valuation:
$34,500
Permit #:
2021-MECH-0006717
Status:
final
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Removal of all existing interior partitions doors windows ceilings lighting finishes and furniture throughout limits of existing suite. provide new partitions finishes doors sidelights and systems furniture. modifications to existing hvac system plumbing and electrical infrastructure to support new work scope as illustrated in architectural drawings
Valuation:
$20,000
Permit #:
2021-BOILERAC-0000260
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Tenant finish at main level of existing 5-story mixed-used building. proposed use will be a brow salon. existing facade windows exterior doors load-bearing walls structural columns structural beams and fir-proofing to remain. new interior steel stud walls accessible bathrooms plumbing electrical and ducting will be installed
Valuation:
$7,500
Permit #:
2022-MECH-0002761
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
Commercial
Same store remodel of existing johnston & murphy retail shoe store within cherry creek shopping center. demolish storefront and sales area and prep for new finish out. existing stockroom partition walls fitting room and toilet to remain. provide new storefront glazing/framing and entry doors; new storefront sign band and signage. provide new sales area fixtures finishes lighting etc. ... see more
Valuation:
$10,300
Permit #:
2021-MECH-0007856
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
The project scope is limited to the 1st floor only and we #200-201-3435 s yosemite-strawberry fields mj-tenant finish are enlarging the dispensary sales floor on one side of the building. as part of this work we are demolishing walls and shifting new walls to eliminate existing barriers and improve ada clearances within the building. we are making additional improvements to ada requir... see more
Valuation:
$12,000
Permit #:
2021-MECH-0004578
Status:
final
Fee:
$240
Permit Type:
N/A
Building Type:
N/A
6900 layton ave flrs 7/8 - tenant finish the scope of work consists of demolition of monumental stair connecting levels 7 & 8 new rated structural floor infill at stair opening between levels 7 & 8 and patching of existing finishes and ceiling where opening previously existed. scope also includes modifications of structural mechanical electrical plumbing & fire protection systems as i... see more
Valuation:
$8,000
Permit #:
2021-MECH-0001088
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Commercial
This project consists of an interior remodel of a 1950's tri-level home: some interior walls to be reconfigured replacement/new windows and doors new kitchen and bathrooms replacement of stairs new finishes throughout. the project includes a patio/canopy at the front and a walk-out below-grade patio at the rear. note that there will be no expansion of the footprint of this house
Valuation:
N/A
Permit #:
2021-SUDP-0002421
Status:
issued
Fee:
$210
Permit Type:
Addition & altera...
Building Type:
N/A
New 2-story retail building core & shell only clark's market @ boulevard one - block 6 7059 e. lowry blvd the project is a 2 story core shell project for a future mercantile (grocery store) use with a gross square footage of about 24 950 gsf. the project is a cold/dark shell with temp heat and stumble lighting with all service lines stubbing into the building
Valuation:
$90,600
Permit #:
2021-PLUMB-0011214
Status:
final
Fee:
$707
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement of existing space including nonstructural partitions finishes fixtures and equipment and associated mechanical electrical and plumbing work. no structural scope or impact to the building envelope
Valuation:
$8,000
Permit #:
2021-PLUMB-0011879
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Tenant finish new tenant in existing space robinson dairy 2401 w. 6th avenue 2401 w 6th avenue - robinson dairy - large interior and exterior renovations to existing warehouse and office spaces; install multiple rtus; parking lot striping; new ada ramps; use: office/warehouse/manufacturing
Valuation:
$66,000
Permit #:
2021-MECH-0005469
Status:
final
Fee:
$532
Permit Type:
N/A
Building Type:
Commercial
Laseraway (b-office) tenant improvement to include mechanical electrical plumbing and structural. new non-load bearing walls lighting plumbing and hvac. a zoning permit has been submitted and approved but is not showing up in the system. 2021-zone-0002996
Valuation:
$55,000
Permit #:
2021-MECH-0006346
Status:
final
Fee:
$455
Permit Type:
N/A
Building Type:
Commercial
Vestibule expansion and lobby renovation for the private residences. reconfiguration of entry to resolve mechanical stack issue from elevators in lobby. no change in use. no change in square footage. no change in occupancy type or load. additional doors added to elevator lobby. doors to mitigate stack effect at coldest times of year. will be held open at all other times
Valuation:
$50,000
Permit #:
2021-MECH-0000405
Status:
final
Fee:
$420
Permit Type:
N/A
Building Type:
Commercial
Laseraway (b-office) tenant improvement to include mechanical electrical plumbing and structural. new non-load bearing walls lighting plumbing and hvac. a zoning permit has been submitted and approved but is not showing up in the system. 2021-zone-0002996
Valuation:
$40,000
Permit #:
2021-BOILERAC-0000557
Status:
final
Fee:
$340
Permit Type:
N/A
Building Type:
Commercial
R renovation existing tenant buildout for select areas of level 07 including construction of new partitions ceilings finishes mechanical electrical plumbing & fire protection as indicated on drawings
Valuation:
$9,940
Permit #:
2021-MECH-0003039
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
Vestibule expansion and lobby renovation for the private residences. reconfiguration of entry to resolve mechanical stack issue from elevators in lobby. no change in use. no change in square footage. no change in occupancy type or load. additional doors added to elevator lobby. doors to mitigate stack effect at coldest times of year. will be held open at all other times
Valuation:
$25,000
Permit #:
2021-BOILERAC-0000036
Status:
final
Fee:
$219
Permit Type:
N/A
Building Type:
Commercial
The project scope represented by these documents is for the demising of the existing office area into two suites including the related plumbing electrical and hvac work. additionally in the warehouse area the scope includes completion of the demising wall between the warehouse spaces. temporary fencing will remain to provide delivery and egress access pending a future scope of work
Valuation:
$22,520
Permit #:
2020-MECH-0009820
Status:
final
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
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Walrath Heating & Air Conditioning License info
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
| 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
| License # | MA95120 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Walrath Heating & Air Conditioning at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class B Mechanical (Up To 3 Stories) |
| Class | Up to 3 Stories |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Walrath Heating & Air Conditioning with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC2157700 |
| Status | Active |
| City | Lafayette |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2022. Check the current license status of Walrath Heating & Air Conditioning with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0003248 |
| Status | Active |
| City | Boulder |
| Type | 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 Walrath Heating & Air Conditioning with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 26585 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of Walrath Heating & Air Conditioning 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 # | 0003248 |
| Status | Active |
| City | Boulder |
| Type | Mechanical Class A All Umc Work |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of Walrath Heating & Air Conditioning with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7M-0113 |
| Status | Active |
| City | Arvada |
| Type | Bid Contractor, Mechanical |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of Walrath Heating & Air Conditioning with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CEN-13-00169 |
| Status | Active |
| City | Centennial |
| Type | HVAC Contractor |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Walrath Heating & Air Conditioning at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 24548 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of Walrath Heating & Air Conditioning with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 21-057700 |
| Status | Inactive |
| City | Lafayette |
| Type | Mechanical Contractor |
- According to the City of Lafayette, 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 Walrath Heating & Air Conditioning at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P00667 |
| 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 Walrath Heating & Air Conditioning at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P210637 |
| Status | Inactive |
| County | Douglas County |
| Type | Plumbing |
- According to the Douglas County Building Division, 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 Walrath Heating & Air Conditioning at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H-2303(C) |
| Status | Inactive |
| City | Fort Collins |
| Type | Sub Contractor |
- According to the City of Fort Collins, 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 Walrath Heating & Air Conditioning at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Plbg A |
- 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 # | 4313 |
| Status | Inactive |
| State | Colorado |
| Type | Plumbing 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 Walrath Heating & Air Conditioning 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 | 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.
Inactive License
| License # | AEC4939 |
| Status | Inactive |
| Town | Parker |
| Type | Contractor |
- According to the The Town of Parker, 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 Walrath Heating & Air Conditioning at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 04-0236 |
| Status | Inactive |
| Town | Castle Rock |
| Type | Mechanical |
- According to the Castle Rock Town, 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 Walrath Heating & Air Conditioning at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-10-0036 |
| Status | Inactive |
| County | Boulder County |
| Type | Commercial Mechanical Installations And Repair |
- According to the Boulder County Land Use Department, 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 Walrath Heating & Air Conditioning at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Steam & Hot Water |
- 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.
Inactive License
| License # | LIC-0003248-MECHA |
| Status | Inactive |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
- According to the Boulder Licensing Board, 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 Walrath Heating & Air Conditioning at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class A Mechanical (Unrestricted) |
| Class | Unrestricted |
- According to the Jefferson County Licensed Contractors, 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 |
| Type | H & V A |
- 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 # | 060430093 |
| 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 Walrath Heating & Air Conditioning at the City of Westminster, Colorado.
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.
Inactive License
| License # | LCC2015000675 |
| 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 Walrath Heating & Air Conditioning at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC4659 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, 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 Walrath Heating & Air Conditioning at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | D11056 |
| 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 Walrath Heating & Air Conditioning at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Insured
| Insurer | Continental Western Ins Co |
Insured
| Workers Comp Provider | Pinnacol |
1.8K
Permits
- Building permit records show that Walrath Heating & Air Conditioning has worked on 1841 permitted projects.
Walrath Heating & Air Conditioning Employees
BF
Ben Franzen
Owner
BF
Benjamin Franzen
Owner
BF
Benjamin Frarzen
Owner
BM
Brett Mahns
Owner
CL
Candice Lee
Contact
DO
Daniel Ostrom
JM
Josh Mares
Co Owner
KR
Kyle Robertson
Contact 2
LF
Louis Franzen
TW
Terri Watts
WC
Walrath Corporation
WC
Walrath Heating & Air Conditioning Co
Mechanical
WC
Walrath Heating Ac Co
Owner
WH
Walrath Htg And Ac Co Inc Dba Walrath Mechanical Co H
Owner
WP
Walrath Htg And Ac Co Inc Dba Walrath Mechanical Co P
Owner