Updated: Apr 28, 2026
Location and Projects
Address
12912 CLERMONT STREET, Thornton, CO, 80241
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General Construction Service LLC
General Construction Service LLC at 12912 CLERMONT STREET, Thornton, CO 80241, held a General Contractor license (#) with the Aurora contractors license board. We last verified the license was expired on 01-19-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 55,949 Colorado contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
General Construction Service LLC Services
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General Construction Service LLC Contact Information
Phone Number: (303) 263-5134
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Address: 12912 CLERMONT STREET, Thornton, CO 80241
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General Construction Service LLC Thornton
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are General Construction Service LLC, click “This is My Business” to update your information.
Activity
|
1 project
|
2023 |
Our building permit records indicate that General Construction Service LLC has worked on at least
1.0 project 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.
Pricing
|
1 project
|
$20k-$50k |
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 General Construction Service LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Building demising wall and a half wall to separate 2 properties and create a storage area. minor electrical relocate
Valuation:
N/A
Permit #:
2020-COMMCON-0000064
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Single family residence new detached garage w adu southard residence 2714 lafayette street
Valuation:
$40,000
Permit #:
2018-LOG-0005244
Status:
approved
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
3712 w 32nd avenue - bug and belle bakery - tenant finish -change of occupancy
Valuation:
N/A
Permit #:
2018-COMMCON-0001100
Status:
final
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
2-story rear addition to single family residence
Valuation:
N/A
Permit #:
2017-RESCON-0003312
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
2-story rear addition to single family residence
Valuation:
N/A
Permit #:
2017-RESCON-0003311
Status:
final
Fee:
$340
Permit Type:
N/A
Building Type:
N/A
Single family residence new detached garage w adu southard residence 2714 lafayette street
Valuation:
N/A
Permit #:
2020-OCCUPANCY-0002749
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence new detached garage w adu southard residence 2714 lafayette street
Valuation:
N/A
Permit #:
2019-ZONE-0003687
Status:
approved
Fee:
$204
Permit Type:
N/A
Building Type:
N/A
Single family residence new detached garage w adu southard residence 2714 lafayette street
Valuation:
N/A
Permit #:
2019-RESCON-0003698
Status:
final
Fee:
$340
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2017-RESCON-0005598
Status:
canceled
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
3712 w 32nd avenue - bug and belle bakery - tenant finish -change of occupancy
Valuation:
N/A
Permit #:
2019-OCCUPANCY-0001256
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel basement excavation permit 07099132
Valuation:
N/A
Permit #:
2007-RESCON-0007099132
Status:
approved
Fee:
$630
Permit Type:
N/A
Building Type:
N/A
308sqft deck
Valuation:
$5,390
Permit #:
R10-0733
Status:
final
Fee:
$371
Permit Type:
Deck
Building Type:
N/A
Alterations/tenant finish
Valuation:
N/A
Permit #:
2008-RESCON-0008086629
Status:
approved
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
Alterations/tenant finish
Valuation:
N/A
Permit #:
2007-RESCON-0007063677
Status:
approved
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2004-ROOFSIDE-0004088092
Status:
approved
Fee:
$51
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2004-ROOFSIDE-0004101331
Status:
approved
Fee:
$35
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$30,800
Permit #:
2005-COMMCON-0005087075
Status:
N/A
Fee:
$268
Permit Type:
Alteration/Tenant...
Building Type:
N/A
Alterations/tenant finish ground floor second floor third floor permit 05-112298 08/15/2005
Valuation:
N/A
Permit #:
2005-COMMCON-0005112298
Status:
canceled
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
No staples
Valuation:
$4,152
Permit #:
R*116094*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Javier and c diner - change of occupancy from b/eatery and cake decorating shop to one a-2/restaurant - adding fixed seats (booths) accessible toilet room office and water heater closet. no a/s plan review generated - aha 05/26/07
Valuation:
N/A
Permit #:
2007-COMMCON-0007071853
Status:
approved
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
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General Construction Service LLC Reviews
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General Construction Service LLC License info
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 | 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 # | AEC4053 |
| 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 General Construction Service LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are General Construction Service LLC, click “This is My Business” to update your information.
28
Permits
- Building permit records show that General Construction Service LLC has worked on 28 permitted projects.
General Construction Service LLC Employees
GS
General Construction Serv
Resident C
GP
Guerin Michael P
Owner
MG
Michael Guerin