Updated: Jul 08, 2026
Location and Projects
Address
1126 Croke Drive, Thornton, CO, 80260
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Ernest Martinez Const Mgmt Construction
Serving Thornton, Colorado and surrounding communities, Ernest Martinez Const Mgmt Co brings over three decades of construction management experience to residential and commercial projects. Founded in 1991, the company supports property owners through all phases of building and renovation, from initial planning through project completion. Ernest Martinez Const Mgmt Co manages a variety of construction projects, coordinating subcontractors and overseeing timelines to ensure smooth progress for clients. Their project portfolio includes both ground-up construction and remodeling for single-family homes, multi-unit developments, and commercial properties. Known for navigating complex permitting and regulatory requirements, Ernest Martinez Const Mgmt Co assists clients with pre-construction planning, budgeting, and contractor coordination. With 33 years in the industry, the company offers informed guidance and oversight across a broad range of building projects throughout the Thornton area.
Ernest Martinez Const Mgmt Co Services
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Ernest Martinez Const Mgmt Co Contact Information
Phone Number: (720) 275-0813
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Address: 1126 Croke Drive, Thornton, CO 80260
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Ernest Martinez Const Mgmt Co Thornton
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ernest Martinez Const Mgmt Co has a BuildZoom score of 106, which places them above 93% of 55,949 contractors in Colorado.
Activity
|
3 projects
|
2025 |
|
5 projects
|
2024 |
|
13 projects
|
2023 |
Our building permit records indicate that Ernest Martinez Const Mgmt Co has worked on at least
21.0 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
|
5 projects
|
Home Additions |
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Ernest Martinez Const Mgmt Co mostly works on
home addition
and new construction
projects.
Pricing
|
4 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$1mil+ |
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 Ernest Martinez Const Mgmt Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition a sleeping room kitchenette laundry and bathroom to an existing adu building scope of work includes: new interior framing drywall paint plumbing for shower toilet vanity and kitchenette some electrical floor and wall bathroom tiles the following systems already exist: split air conditioning and heating system crawl space under the adu some plumbing
Valuation:
$20,000
Permit #:
2024-LOG-0009536
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition a compliant back exit door to brick wall on the east side of the building to bring building up to code for a-2 occupancy. construction of door will be done behind temporary barrier walls. the temporary walls were built with 2022-log-0012379 & 2022-commcon-0002646
Valuation:
N/A
Permit #:
2022-COMMCON-0002945
Status:
final
Fee:
$285
Permit Type:
N/A
Building Type:
N/A
Electrical plan revision at electrical inspectors request. 2023-commcon-0002873 original electrical log # 2023-log 0001066 original building log # 2023-log-0007905
Valuation:
N/A
Permit #:
2024-LOG-0011816
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition a compliant back exit door to brick wall on the east side of the building to bring building up to code for a-2 occupancy. construction of door will be done behind temporary barrier walls. the temporary walls were built with 2022-log-0012379 & 2022-commcon-0002646
Valuation:
$1,250
Permit #:
2022-LOG-0015029
Status:
approved
Fee:
$18
Permit Type:
N/A
Building Type:
N/A
3434 e 12th ave - sienna wine bar - mod dwgs 21-cc-2856 21-log-12091 this log is an edit of 2021-log-0012091 pages a0.01 and a2.01 a2.02 a2.03. this log has been approved and closed. zoning electric plumbing mechanical sudp health inspection have all been finaled. the measurable dimensions of the space are smaller than the original plans show which were based on old blueprints from th... see more
Valuation:
N/A
Permit #:
2022-LOG-0012379
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A restaurant serving wine beer and appetizers made behind the bar will occupy this space. the building is minimal. it will consist of 1. two 12 x 2 structural beams running the n-s length of the space parallel to the existing beam with 8 new steel posts (down in crawlspace.) 2. four small walls to enclose two bathrooms (one ada) and a storage room. 3. one 20 bar base
Valuation:
N/A
Permit #:
2021-COMMCON-0002856
Status:
final
Fee:
$419
Permit Type:
N/A
Building Type:
N/A
Residence - carport - similar carport at 2631 w cottonwood was completed. please see drawings for 7860 fairview ave with three walls. the carport will be attached to the house and work will also be done to the stucco wall of the house
Valuation:
$18,000
Permit #:
BDP22-2298
Status:
issued
Fee:
$934
Permit Type:
New
Building Type:
Residential
This tenant improvement project includes: removing non-load bearing walls and accessory ceilings fixtures adding doors and walls to create smaller rooms and separating the electrical panel from adjacent tenant fixtures outlets
Valuation:
N/A
Permit #:
2023-COMMCON-0001931
Status:
issued
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
This tenant improvement project includes: removing non-load bearing walls and accessory ceilings fixtures adding doors and walls to create smaller rooms and separating the electrical panel from adjacent tenant fixtures outlets
Valuation:
N/A
Permit #:
2023-FAI-0001619
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Finishing basement two bedrooms one gym room one full bathroom two closets open area (ping pong room). all egress window existing (to code) and existing stairwell finished
Valuation:
N/A
Permit #:
2023-RESCON-0002196
Status:
final
Fee:
$590
Permit Type:
N/A
Building Type:
N/A
Convert 6 x 12 existing laundry room to a bathroom with wash/dryer in same room. new bathroom to have one shower one lav and one toilet. same height same size on main floor
Valuation:
N/A
Permit #:
2023-RESCON-0001327
Status:
final
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
A restaurant serving wine beer and appetizers made behind the bar will occupy this space. the building is minimal. it will consist of 1. two 12 x 2 structural beams running the n-s length of the space parallel to the existing beam with 8 new steel posts (down in crawlspace.) 2. four small walls to enclose two bathrooms (one ada) and a storage room. 3. one 20 bar base
Valuation:
$63,500
Permit #:
2021-LOG-0012091
Status:
approved
Fee:
$259
Permit Type:
N/A
Building Type:
N/A
Client requested modifications to a few previously approved arch structural mechanical electrical and plumbing plan sheets after permit was issued
Valuation:
N/A
Permit #:
2024-COMMCON-0001985
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Client requested modifications to a few previously approved arch structural mechanical electrical and plumbing plan sheets after permit was issued
Valuation:
N/A
Permit #:
2024-LOG-0008503
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert 6 x 12 existing laundry room to a bathroom with wash/dryer in same room. new bathroom to have one shower one lav and one toilet. same height same size on main floor
Valuation:
$12,000
Permit #:
2023-LOG-0002007
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Specialty wood siding interior and exterior
Valuation:
$178,000
Permit #:
2024-ROOFSIDE-0010285
Status:
final
Fee:
$1,207
Permit Type:
N/A
Building Type:
Commercial
Maxim healthcare services: tenant improvement of existing 4 410 sf space for new tenant. scope to include demolish and construction with associated mep work
Valuation:
N/A
Permit #:
2022-COMMCON-0002922
Status:
final
Fee:
$319
Permit Type:
N/A
Building Type:
N/A
Insulation : r43.5 squares: 120 squares
Valuation:
$160,000
Permit #:
2024-ROOFSIDE-0010017
Status:
final
Fee:
$1,106
Permit Type:
N/A
Building Type:
Commercial
Modification of drawing with pergola for 2022-rescon-0001059
Valuation:
N/A
Permit #:
2023-RESCON-0001294
Status:
final
Fee:
$159
Permit Type:
N/A
Building Type:
N/A
Modification of drawing with pergola for 2022-rescon-0001059
Valuation:
N/A
Permit #:
2023-SUDP-0000661
Status:
issued
Fee:
$155
Permit Type:
Addition
Building Type:
N/A
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Ernest Martinez Const Mgmt Co License info
Verified License
| License # | CON-23-0158 |
| Status | Active |
| County | Boulder County |
| Type | Residential Work; Commercial Remodeling Or Tenant Finish |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Ernest Martinez Const Mgmt Co 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 | Building Contractor Class B |
- 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 # | CL0763 |
| Status | Active |
| County | Larimer County, Co |
| Type | Class B |
| Class | Class B |
| Date Issued | 08-30-2025 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Ernest Martinez Const Mgmt Co at the Larimer County.
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 April, 2021. Check the current license status of Ernest Martinez Const Mgmt Co 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.
License Not Verified
| License # | 1609 |
| Status | Active |
| City | Arvada |
| Type | Bid Contractor, Residential C |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Ernest Martinez Const Mgmt Co with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 27027 |
| Status | Active |
| City | Thornton |
| Type | Class C Residential |
- BuildZoom has not verified this license since July, 2016.
Verify this license's status for Ernest Martinez Const Mgmt Co at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C070291 |
| Status | Active |
| County | Douglas County |
| Type | Building Contractor - Class C |
- When BuildZoom last verified this license, it had an expiration date of June, 2008. Check the current license status of Ernest Martinez Const Mgmt Co with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 23829 |
| Status | Active |
| City | Thornton |
| Type | Class B Building |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Ernest Martinez Const Mgmt Co at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Colorado |
| Type | Plumber |
- 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 Ernest Martinez Const Mgmt Co 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 | Commercial Building 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
| Status | Inactive |
| City | Aurora |
| Type | Commercial Building 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 # | 1700953 |
| 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 Ernest Martinez Const Mgmt Co 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 | Denver |
| Type | Building Contractor Class B |
- 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 # | LCC2015056457 |
| Status | Inactive |
| City | Thornton |
| Type | Class B Building Contractor |
- 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 Ernest Martinez Const Mgmt Co at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC1609 |
| 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 Ernest Martinez Const Mgmt Co at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Continental Western Group |
207
Permits
- Building permit records show that Ernest Martinez Const Mgmt Co has worked on 207 permitted projects.
Ernest Martinez Const Mgmt Co Employees
EM
Ernest J Martinez
Owner
EM
Ernest Martinez
EC
Ernest Martinez Const
Resident C
RM
Roberto Montes
Owner