Updated: May 19, 2026
Location and Projects
Address
PO BOX 1448, Nederland, CO, 80466
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Ecoone Construction
Ecoone Inc, Nederland, Po Box 1448, Nederland, CO (Owned by: Gamble Mark J) holds a General license and 6 other licenses according to the Boulder license board.
Their BuildZoom score of 97 ranks in the top 18% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ecoone Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ecoone Inc Services
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Ecoone Inc Contact Information
Phone Number: (303) 585-0012
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Address: PO BOX 1448, Nederland, CO 80466
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Ecoone Inc Nederland
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ecoone Inc has a BuildZoom score of 97, which places them above 82% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Ecoone Inc has worked on at least
2.0 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.
Pricing
|
1 project
|
< $5k |
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.
Single family dwelling - modular - no garage (spr-16-0046)
Valuation:
$300,000
Permit #:
BP-17-1861
Status:
filed
Fee:
$8,272
Permit Type:
N/A
Building Type:
N/A
Single-family dwelling (modular) w carport (spr-22-0011)
Valuation:
$500,000
Permit #:
BP-23-3134
Status:
complete
Fee:
$12,159
Permit Type:
N/A
Building Type:
N/A
Relocate electrical meter from service pole to standalone pedestal
Valuation:
$1,000
Permit #:
BP-25-1165
Status:
issued
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Deconstruct home (spr-16-0046)
Valuation:
$10,500
Permit #:
BP-16-1283
Status:
complete
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Installation of utilities (water and sanitary sewer main extensions and storm sewer) within extended tamarack row to coincide with roadway paving. includes [5] domestic water and sanitary sewer svcs set [5] 1 water meters [2] hydrants [4] sanitary manholes [2] inlets and [1] fes
Valuation:
$0
Permit #:
PMT2010-05763
Status:
Issued
Fee:
N/A
Permit Type:
Not stated
Building Type:
Not stated
Installation of utilities (water and sanitary sewer main extensions and storm sewer) within extended tamarack row to coincide with roadway paving. includes [5] domestic water and sanitary sewer svcs set [5] 1 water meters [2] hydrants [4] sanitary manholes [2] inlets and [1] fes
Valuation:
N/A
Permit #:
PMT2010-05763-UTL
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of utilities (water and sanitary sewer main extensions and storm sewer) within extended tamarack row to coincide with roadway paving. includes [5] domestic water and sanitary sewer svcs set [5] 1 water meters [2] hydrants [4] sanitary manholes [2] inlets and [1] fes
Valuation:
N/A
Permit #:
PMT2010-05763-ROW
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Temporary access of existing unimproved row between upland and tamarack for the purpose of conveyance and set-up of an oversize crane
Valuation:
$0
Permit #:
PMT2012-03045
Status:
Issued
Fee:
N/A
Permit Type:
Not stated
Building Type:
Not stated
Remodel of single family detached dwelling. no change in height or setbacks. see boza docket 2008-16 for setback variance for front porch
Valuation:
N/A
Permit #:
PMT2009-01460
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two story 5 bedroom 5 bathroom (one in unfinished basement- three 3/4 one 1/2 and 1 full) single family dwelling with two car attached garage. 3443 square feet. factory built structure by all american kanbuild osage city kansas milliken colorado
Valuation:
N/A
Permit #:
PMT2002-01724-UTL
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two story 5 bedroom 5 bathroom (one in unfinished basement- three 3/4 one 1/2 and 1 full) single family dwelling with two car attached garage. 3443 square feet. factory built structure by all american kanbuild osage city kansas milliken colorado
Valuation:
N/A
Permit #:
PMT2002-01724
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New detached two-story garage of 1872 sf with office studio above. includes 1/2 bathroom steep slope lot
Valuation:
N/A
Permit #:
PMT2007-01871
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two story 5 bedroom 5 bathroom (one in unfinished basement- three 3/4 one 1/2 and 1 full) single family dwelling with two car attached garage. 3443 square feet. factory built structure by all american kanbuild osage city kansas milliken colorado
Valuation:
N/A
Permit #:
PMT2002-01724-PLB
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two story 5 bedroom 5 bathroom (one in unfinished basement- three 3/4 one 1/2 and 1 full) single family dwelling with two car attached garage. 3443 square feet. factory built structure by all american kanbuild osage city kansas milliken colorado
Valuation:
N/A
Permit #:
PMT2002-01724-MEC
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two story 5 bedroom 5 bathroom (one in unfinished basement- three 3/4 one 1/2 and 1 full) single family dwelling with two car attached garage. 3443 square feet. factory built structure by all american kanbuild osage city kansas milliken colorado
Valuation:
N/A
Permit #:
PMT2002-01724-FLD
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New two story 5 bedroom 5 bathroom (one in unfinished basement- three 3/4 one 1/2 and 1 full) single family dwelling with two car attached garage. 3443 square feet. factory built structure by all american kanbuild osage city kansas milliken colorado
Valuation:
N/A
Permit #:
PMT2002-01724-ELE
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction of new single-family residence with breezeway
Valuation:
N/A
Permit #:
PMT2011-00686
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Row remove existing driveway pan and replace with curb and gutter, remove curb gutter and sidewalk and replace with drivepan.
Valuation:
$0
Permit #:
PMT2003-01187
Status:
Issued
Fee:
N/A
Permit Type:
Not Stated
Building Type:
Existing
Temporary access of existing unimproved row between upland and tamarack for the purpose of conveyance and set-up of an oversize crane
Valuation:
N/A
Permit #:
PMT2012-03045-ROW
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
486 sq ft second floor finish bwop -unheated -to bp-09-0349 which was to final bp-93-1514
Valuation:
$750
Permit #:
BP-09-0646
Status:
complete
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
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Ecoone Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Ecoone Inc License info
Verified License
| License # | LIC-01004113 |
| Status | Active |
| City | Boulder |
| Type | General |
| Class | Class C |
| Date Issued | 09-15-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ecoone Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-24-0119 |
| Status | Active |
| County | Boulder County |
| Type | One And Two Family Residential |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Ecoone Inc at the Boulder County Land Use Department.
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 Contractor (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 Ecoone Inc with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0006420-GENCC |
| Status | Inactive |
| City | Boulder |
| Type | General |
| Class | Class C |
- 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 Ecoone Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0006420-ROW |
| Status | Inactive |
| City | Boulder |
| Type | Right Of Way |
| Class | Right-of-Way |
- 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 Ecoone Inc at the Boulder Licensing Board.
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. 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 # | CON-14-0198 |
| Status | Inactive |
| County | Boulder County |
| Type | Residential Work; Commercial Remodeling Or Tenant Finish |
- 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 Ecoone Inc at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
15
Permits
- Building permit records show that Ecoone Inc has worked on 15 permitted projects.
Ecoone Inc Employees
GJ
Gamble Mark J
Owner
MS
Marcus Stringfellow
MI
Marcus Stringfellow Iii
Owner
MS
Mark Stringfellow
Owner
SB
Stringfellow Marcus B
Owner