Updated: Nov 17, 2025
Location and Projects
Address
9430 E 40th Ave, Denver, CO, 80238
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Frontier Fire Protection Architect
Frontier Fire Protection, LLC, 9430 E 40th Ave, Denver, CO (Owned by: William Martin) holds a Contractor license and 39 other licenses according to the Littleton license board.
Their BuildZoom score of 114 ranks in the top 2% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Frontier Fire Protection, LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Frontier Fire Protection, LLC Contact Information
Phone Number: (303) 629-0221
Address: 9430 E 40th Ave, Denver, CO 80238
Frontier Fire Protection, LLC Denver
Quality
114
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Frontier Fire Protection, LLC has a BuildZoom score of 114, which places them above 98% of 55,949 contractors in Colorado.
Activity
|
114 projects
|
2025 |
|
275 projects
|
2024 |
|
324 projects
|
2023 |
|
289 projects
|
2022 |
Our building permit records indicate that Frontier Fire Protection, LLC has worked on at least
1002.0 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
|
289 projects
|
Home Additions |
|
161 projects
|
Commercial Renovations |
|
53 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Frontier Fire Protection, LLC mostly works on
home addition
and commercial renovation
projects.
Pricing
|
262 projects
|
< $5k |
|
229 projects
|
$5k-$20k |
|
111 projects
|
$20k-$50k |
|
56 projects
|
$50k-$100k |
|
47 projects
|
$100k-$250k |
|
26 projects
|
$250k-$500k |
|
18 projects
|
$500k-$1mil |
|
22 projects
|
$1mil+ |
The typical size of their permits is approximately $8,164. 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 Frontier Fire Protection, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Address is 9100 peña blvd denver co 80249. this is a deferred submittal for a fire protection permit for the baggage handling system (bhs) project for southwest airlines related to 2024-commcon-0002488. this submittal includes product data and hydraulic calculations for the automatic fire sprinkler system equipment. for more information please see the attached drawing and product data... see more
Valuation:
$632,794
Permit #:
2025-FIRE-0002555
Status:
issued
Fee:
$5,463
Permit Type:
N/A
Building Type:
N/A
Wet fire sprinkler system to protect new building project mustang - crusher building. designed to protect group a plastics storage up to 8ft a.f.f. in open top containers single height on the floor in a 30ft max ceiling building
Valuation:
$328,600
Permit #:
2025-FIRE-0001069
Status:
issued
Fee:
$3,079
Permit Type:
N/A
Building Type:
N/A
3rd level infusion & physcial therapy. this project consists of approximately 11 000 square feet of area on the third floor within an existing medical office building. the medical office building is classified as a b (business) occupancy type.â the infusion and physical therapy spaces will receive minor reconfigurations and cosmetic upgrades. the scope of this reconfiguration will not... see more
Valuation:
$2,845,000
Permit #:
23-001090
Status:
issued
Fee:
$108,992
Permit Type:
N/A
Building Type:
N/A
Den ghc 3d mod1 baggage refresh final fire suppression. modify wet sprinkler systems to allow replacement of existing act ceiling with a new act ceiling. all existing mains and branch lines to remain new heads to be connected with flex drops as shown
Valuation:
$80,000
Permit #:
2025-FIRE-0000074
Status:
issued
Fee:
$945
Permit Type:
N/A
Building Type:
N/A
Den ghc 3d mod3 baggage refresh final fire suppression. modify wet sprinkler systems to allow replacement of existing act ceiling with a new act ceiling. all existing mains and branch lines to remain new heads to be connected with flex drops as shown
Valuation:
$80,000
Permit #:
2025-FIRE-0000073
Status:
issued
Fee:
$945
Permit Type:
N/A
Building Type:
N/A
Remodel of existing dental office. conversion of waiting room to 2 treatment rooms and existing staff room to become a doctor's office
Valuation:
$350,000
Permit #:
B202500176
Status:
complete
Fee:
$12,793
Permit Type:
N/A
Building Type:
N/A
Interior remodel at arapahoe county justice center courthouse 2 3rd level. this project consists of converting the southwest wing of the 3rd level from offices into a courtroom jury deliberation judges chambers and clerk offices as well as public access to the courtroom
Valuation:
$1,534,628
Permit #:
CEN-24-00132
Status:
complete
Fee:
$16,611
Permit Type:
N/A
Building Type:
N/A
Replace existing fire pump in the airport office building of the denver international airport. the intent is to install a larger capacity fire pump in the fire pump room located on l4. the aob combined sprinkler/standpipe system will be served from the terminal fire pump via the existing 10 interconnecting pipe. at the completion of the fire pump replacement the interconnecting pipe s... see more
Valuation:
$380,380
Permit #:
2024-FIRE-0004766
Status:
issued
Fee:
$3,515
Permit Type:
N/A
Building Type:
N/A
8400 pena blvd - lvl 3 - terminal floor #: terminal pump room - fire suppression - den terminal this project is to replace the existing fire pump in the terminal of the denver international airport. the intent is to install a larger capacity fire pump in the fire pump room located on level 3 of the terminal. the new fire pump is to be installed in the same place as the existing fire p... see more
Valuation:
$504,910
Permit #:
2024-FIRE-0003224
Status:
issued
Fee:
$4,551
Permit Type:
N/A
Building Type:
N/A
8400 pena blvd - lvl 3 - terminal floor #: terminal pump room - fire suppression - den terminal this project is to replace the existing fire pump in the terminal of the denver international airport. the intent is to install a larger capacity fire pump in the fire pump room located on level 3 of the terminal. the new fire pump is to be installed in the same place as the existing fire p... see more
Valuation:
$504,910
Permit #:
2024-FIRE-0003224
Status:
issued
Fee:
$4,551
Permit Type:
N/A
Building Type:
N/A
Frontier to add/relocate fire sprinkler. frontier to re-work sprinkler zones at concourse level adding new main. water curtain installed at each tenant space. hydraulic calculations to prove work
Valuation:
$153,038
Permit #:
2025-FIRE-0002020
Status:
issued
Fee:
$1,609
Permit Type:
N/A
Building Type:
N/A
Replacement of existing racking to include architectural electrical and fire sprinklers and alarms (deferred submission)
Valuation:
$500,000
Permit #:
CEN-25-00075
Status:
issued
Fee:
$14,921
Permit Type:
N/A
Building Type:
N/A
Frontier to install water curtain at existing tenant space entry. plug remove and relocate sprinklers. install new supply main to support system along with replacing a portion of the existing 2 1/2 main to a 4 and replace the existing 2 1/2 zone valve with a new 4 zone valve
Valuation:
$33,929
Permit #:
2025-FIRE-0001738
Status:
final
Fee:
$438
Permit Type:
N/A
Building Type:
N/A
Frontier to install water curtain at existing tenant space entry. plug remove and relocate sprinklers. install new supply main to support system along with replacing a portion of the existing 2 1/2 main to a 4 and replace the existing 2 1/2 zone valve with a new 4 zone valve
Valuation:
$33,929
Permit #:
2025-FIRE-0001738
Status:
final
Fee:
$438
Permit Type:
N/A
Building Type:
N/A
Frontier to install a full manual wet standpipe/fire sprinkler system beginning at a flange 1'-0 inside the building. ffp to provide fully sprinklered building covering 2 levels of parking garage 4 floors of tenant space and rooftop with standpipes in both stairwells. water curtain to be provided on n. exterior wall l2 and e. exterior wall l2-4
Valuation:
$261,223
Permit #:
2023-FIRE-0002785
Status:
final
Fee:
$839
Permit Type:
N/A
Building Type:
N/A
Address is 9100 peña blvd denver co 80249. this is a deferred submittal for an interim fire protection permit for the baggage handling system (bhs) project for southwest airlines related to 2024-commcon-0002488. this scope includes demolish and rerouting of fire sprinkler systems to enable the rerouting/demo of mep systems and installation of bhs. for more information please see the a... see more
Valuation:
$5,000
Permit #:
2025-FIRE-0000571
Status:
final
Fee:
$159
Permit Type:
N/A
Building Type:
N/A
Turn existing heads to upright position for temporary protection during ceiling work being conducted on the 3rd level below phase 2.2 of the delta sky club project. once plumbing work is complete the sprinkler system will be reverted back to pre-existing conditions and the ceiling closed back up
Valuation:
$3,500
Permit #:
2025-FIRE-0003925
Status:
issued
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Remove existing 6” elbow install new 6” grooved cap demolish existing 4” pipe that supplies below mezzanine. existing 6” horizontal pipe above the mezzanine to remain as-is. (see photos below). disconnect 3” horizontal pipe from riser install new 3” grooved cap and demolish the 3” supply main that supplies below mezzanine. (see photos below). this work will be completed in a single da... see more
Valuation:
$2,000
Permit #:
2025-FIRE-0002174
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(1st floor) this project consists of approximately 1450 square feet of area within an existing medical office building. the existing fire sprinkler system in the level 1 entry vestibule will be replaced and an existing office on the same level will be converted into a compressor room to support the new system. the exterior bi-parting storefront doors and doors from the medical office ... see more
Valuation:
$405,000
Permit #:
23-000843
Status:
issued
Fee:
$19,719
Permit Type:
N/A
Building Type:
N/A
This project consists of approximately 34 188 square feet of area within an existing medical office building. the lobby and waiting areas will receive a cosmetic upgrade for interior surface finishes with appurtenant electrical mechanical and technology upgrades as required. the scope of this reconfiguration will not affect existing occupancy or life safety requirements
Valuation:
$5,125,000
Permit #:
23-000225
Status:
issued
Fee:
$204,715
Permit Type:
N/A
Building Type:
N/A
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Frontier Fire Protection, LLC License info
Verified License
| License # | AEC002443 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 10-10-2025 |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Frontier Fire Protection, 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 # | CL-000319-2020 |
| Status | Active |
| City | Centennial |
| Type | Trade |
| Class | Trade |
| Date Issued | 09-29-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Frontier Fire Protection, LLC 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 # | AEC8197 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Frontier Fire Protection, LLC with the The City of Arvada, Colorado
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License Not Verified
| License # | 21-098461 |
| Status | Active |
| City | Lafayette |
| Type | Special Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Frontier Fire Protection, LLC with the City of Lafayette
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Verified License
| License # | AS-4326 |
| Status | Active |
| City | Fort Collins |
| Type | Sub Contractor |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Frontier Fire Protection, LLC at the City of Fort Collins.
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License Not Verified
| License # | FS-000015 |
| Status | Active |
| City | Aspen |
| Type | Fire Sprinkler System Installer |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of Frontier Fire Protection, LLC with the City of Aspen Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Fire Pro B |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 0014893 |
| Status | Active |
| Pueblo | |
| Type | Fire Protection |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Frontier Fire Protection, LLC at the Pueblo regional Building Department.
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Verified License
| Status | Active |
| City | Aurora |
| Type | Fire Spinkler Systems Contractor |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Fire Alarm Systems Contractor |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | A190419 |
| Status | Active |
| County | Douglas County |
| Type | General A |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Frontier Fire Protection, LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-0004019-FIRESS |
| Status | Active |
| City | Boulder |
| Type | Fire |
| Class | Class A Fire Sprinkler Systems |
| Date Issued | 05-23-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Frontier Fire Protection, LLC at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1700002143 |
| Status | Active |
| City | Westminster |
| Type | Architect |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Frontier Fire Protection, LLC at the City of Westminster, Colorado.
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Verified License
| License # | 060430092 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
| Date Issued | 04-24-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Frontier Fire Protection, LLC at the City of Westminster, Colorado.
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Verified License
| License # | AEC2131 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of August 2025.
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Verified License
| License # | FS-3645 |
| Status | Active |
| City | Fort Collins |
| Type | Sub Contractor |
- BuildZoom verified this license was active as of August 2025.
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License Not Verified
| License # | SPC0298461 |
| Status | Active |
| City | Lafayette |
| Type | Special Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2022. Check the current license status of Frontier Fire Protection, LLC with the City of Lafayette
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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 Frontier Fire Protection, LLC with the Jefferson County Licensed Contractors
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License Not Verified
| License # | 27482 |
| Status | Active |
| City | Thornton |
| Type | Fire |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Frontier Fire Protection, LLC with the Thornton City Development Contractor License
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License Not Verified
| License # | 2131 |
| Status | Active |
| Town | Parker |
| Type | Contractor, Fire Suppression |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Frontier Fire Protection, LLC with the The Town of Parker, Colorado
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License Not Verified
| License # | 0004019 |
| Status | Active |
| City | Boulder |
| Type | Fire Class A Fire Sprinkler Systems |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Frontier Fire Protection, LLC with the Boulder Licensing Board
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License Not Verified
| License # | 25367 |
| Status | Active |
| City | Thornton |
| Type | Fire |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Frontier Fire Protection, LLC with the Thornton City Development Contractor License
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License Not Verified
| License # | FS-993 |
| Status | Active |
| Type | Sub Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2016.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-13-01624 |
| Status | Active |
| City | Centennial |
| Type | Fire Protection Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Frontier Fire Protection, LLC with the Centennial Community Development Contractor Licensing
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License Not Verified
| License # | 23516 |
| Status | Active |
| City | Thornton |
| Type | Fire |
- When BuildZoom last verified this license, it had an expiration date of December, 2016. Check the current license status of Frontier Fire Protection, LLC with the Thornton City Development Contractor License
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Unverified License
| License # | 17-2448 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Single Trade |
- BuildZoom was not able to verify this license with the licensing board
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Inactive License
| License # | FS-993 |
| 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.
Check this license's status for Frontier Fire Protection, LLC at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | AEC000556 |
| Status | Unable To Verify |
| City | Littleton |
| Type | Contractor |
| Date Issued | 03-11-2025 |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Fire Alarm 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 | Aurora |
| Type | Fire Spinkler 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
| License # | 97029 NICET 3 TRA |
| Status | Inactive |
| City | Aspen |
| Type | Fire Sprinkler Installation |
- According to the City of Aspen Contractor Licensing, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Frontier Fire Protection, LLC at the City of Aspen Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | F-040031 |
| Status | Inactive |
| City | Aspen |
| Type | Fire Sprinkler Installation |
- According to the City of Aspen Contractor Licensing, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Frontier Fire Protection, LLC at the City of Aspen Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0001217-MECHB |
| Status | Inactive |
| City | Boulder |
| Type | Mechanical |
| Class | Class B Commercial and Residential |
- According to the Boulder Licensing Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Frontier Fire Protection, LLC at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Fire Alarm 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
| Status | Inactive |
| City | Aurora |
| Type | Fire Spinkler 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
| License # | AEC4013 |
| 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.
Check this license's status for Frontier Fire Protection, LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015001522 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Fire Systems |
- 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 Frontier Fire Protection, LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | XX-1598 |
| Status | Inactive |
| City | Fort Collins |
| Type | Other |
- According to the City of Fort Collins, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Frontier Fire Protection, LLC at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
114
BuildZoom Score
Insured
| Insurer | Everest Ind., Federal |
Insured
| Workers Comp Provider | Continental Casualty Company |
2.4K
Permits
- Building permit records show that Frontier Fire Protection, LLC has worked on 2430 permitted projects.
Frontier Fire Protection, LLC Employees
FI
Frontier Fire Protection Inc
Mechanical
GL
Greg Londo
WM
W M Steve Martin
Owner
WM
William Martin
Owner