Updated: May 25, 2026
Location and Projects
Address
7001 S UINTA ST, Centennial, CO, 80112
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Jack Gs Construction
Jack Gs LLC, 7001 S Uinta St, Centennial, CO (Owned by: Grochala Jack) holds a Building Contractor Class B license and 10 other licenses according to the Denver license board.
Their BuildZoom score of 107 ranks in the top 6% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jack Gs LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jack Gs LLC Services
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Jack Gs LLC Contact Information
Phone Number: (303) 740-7663
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Address: 7001 S UINTA ST, Centennial, CO 80112
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Jack Gs LLC Centennial
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jack Gs LLC has a BuildZoom score of 107, which places them above 94% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
6 projects
|
2023 |
Our building permit records indicate that Jack Gs LLC has worked on at least
7.0 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.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $37,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
4980 n monroe - level iv plant husbandry-mod dwgs 21-cc-34 phase 2 - interior non-bearing walls (4 rooms) with mech/elect revisions to an existing building. phase 1 has been permitted 2021-commcon-0000034 approved
Valuation:
N/A
Permit #:
2021-FAI-0003176
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing epdm flat roof shingles roof is 30 years owen's corning oakridge driftwood
Valuation:
$75,000
Permit #:
CONE-23-00074
Status:
complete
Fee:
$1,995
Permit Type:
N/A
Building Type:
N/A
Reconfigure servicing area demolish diving half wall paint re carpet
Valuation:
$56,000
Permit #:
CEN-22-00315
Status:
complete
Fee:
$2,021
Permit Type:
N/A
Building Type:
N/A
Floor: 1 | -- |comments: tear off 1 layer and reroof with asphalt 26 squares | tear off 1 layer and reroof with asphalt 26 squares
Valuation:
$11,500
Permit #:
1566909
Status:
issued
Fee:
$211
Permit Type:
Roofing-rt2
Building Type:
N/A
Convert existing printing plant to plant husbandry addition ground-mounted rtus and rooftop rtus
Valuation:
N/A
Permit #:
2022-FAI-0002074
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert existing printing plant to plant husbandry addition ground-mounted rtus and rooftop rtus
Valuation:
N/A
Permit #:
2022-OCCUPANCY-0000520
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert existing printing plant to plant husbandry addition ground-mounted rtus and rooftop rtus
Valuation:
N/A
Permit #:
2022-OCCUPANCY-0000085
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert existing printing plant to plant husbandry addition ground-mounted rtus and rooftop rtus
Valuation:
N/A
Permit #:
2021-OCCUPANCY-0001189
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kids landing commercial remodel
Valuation:
$50,000
Permit #:
22-0256
Status:
final
Fee:
$2,664
Permit Type:
Remodel ten. Finish
Building Type:
N/A
Convert existing printing plant to plant husbandry addition ground-mounted rtus and rooftop rtus
Valuation:
N/A
Permit #:
2021-COMMCON-0000034
Status:
final
Fee:
$1,773
Permit Type:
N/A
Building Type:
N/A
Comments: tear off 1 layer and reroof with asphalt
Valuation:
$11,500
Permit #:
1728952
Status:
issued
Fee:
$222
Permit Type:
Roofing-rt2
Building Type:
N/A
Remove and replace 5 squares of roofing on the detached garage
Valuation:
$1,500
Permit #:
2021-ROOFSIDE-0007050
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Garage
House and garage remove hail damaged roofing and replace with new tamko heritage 30 year laminated asphalt dimensional shingles
Valuation:
$11,674
Permit #:
2019-ROOFSIDE-0013751
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Single family res...
House and garage remove hail damaged roofing and replace with new tamko heritage 30 year laminated asphalt dimensional shingles
Valuation:
$12,176
Permit #:
2019-ROOFSIDE-0013750
Status:
final
Fee:
$123
Permit Type:
N/A
Building Type:
Single family res...
Cm - tenant improvement
Valuation:
$1,000,000
Permit #:
17-11724
Status:
complete
Fee:
$14,254
Permit Type:
New
Building Type:
Commercial
Side with vinyl siding
Valuation:
$20,091
Permit #:
2022-ROOFSIDE-0005101
Status:
final
Fee:
$187
Permit Type:
N/A
Building Type:
Single family res...
Remove and replace 10 squares of roofing on the house
Valuation:
$3,000
Permit #:
2021-ROOFSIDE-0007049
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
5200 e smith rd - plant husbandry change of contractor
Valuation:
N/A
Permit #:
2021-COMMCON-0001311
Status:
canceled
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Convert existing printing plant to plant husbandry addition ground-mounted rtus and rooftop rtus
Valuation:
N/A
Permit #:
2020-SUDP-0004955
Status:
approved
Fee:
$100
Permit Type:
Addition & altera...
Building Type:
N/A
576 bedroom addition
Valuation:
$50,000
Permit #:
RES-22-00645
Status:
complete
Fee:
$1,875
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
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Avg Project
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BZ Score
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Avg Project
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Projects
Jack Gs LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Jack Gs LLC License info
Verified License
| Status | Active |
| City | Denver |
| Type | Building Contractor Class B |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC5328 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Jack Gs LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | A130261 |
| Status | Active |
| County | Douglas County |
| Type | General A |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Jack Gs LLC 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 |
| City | Denver |
| Type | Building Contractor Class B |
- When BuildZoom last verified this license, it had an expiration date of June, 2024. Check the current license status of Jack Gs LLC 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 # | C130261 |
| Status | Active |
| County | Douglas County |
| Type | Building Contractor - Class C |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Jack Gs LLC with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC9257 |
| 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 Jack Gs LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Jefferson County |
| Type | Class B Contractor (Up To 3 Stories) |
| Class | Up to 3 Stories |
- 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 | 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
| 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 # | B00311 |
| Status | Inactive |
| City | Littleton |
| Type | Class B |
- 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 Jack Gs LLC at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC201700173 |
| 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 Jack Gs LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Amtrust Builders & Tradesman |
162
Permits
- Building permit records show that Jack Gs LLC has worked on 162 permitted projects.
Jack Gs LLC Employees
GJ
Grochala Jack
Owner
JL
Jack G's Llc
Owner
JG
Jack Grochala
JG
Jack Grochala Jack G's
Contact