Updated: Jun 02, 2026
Location and Projects
Address
1535 UPLAND AVE, Boulder, CO, 80304
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Insol Builders Construction
Their BuildZoom score of 0 does not rank in the top 50% of Colorado contractors.
If you are thinking of hiring Insol Builders LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Insol Builders LLC Services
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Insol Builders LLC Contact Information
Phone Number: (303) 359-2001
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Address: 1535 UPLAND AVE, Boulder, CO 80304
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Single family detached dwelling - addition and remodel
2024-12-30
*voided for non-purchase.* major exterior and interior alteration and addition to an existing single-family residence that includes a fully submerged basement and detached garage. the exterior work includes new stucco metal stone veneer siding new windows new doors new covered porches and new conditioned floor area per sheet a0.2. the interior work includes new finishes throughout: fl... see more
Valuation:
N/A
Permit #:
BLD-SFD2022-00146
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Non-structural demolition of a single family residence in preparation for sow as specified under bld-sfd2018-00047. demolition plans submitted with building permit. no structural modifications included in this scope of work. interior non-structural walls interior finishes and roofing and siding materials removal along with associated mep work. -
Valuation:
N/A
Permit #:
DEM2018-00028
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Second story addition and remodel for a single family detached dwelling with a full basement. the second story to contain a master suite two additional bedrooms with baths. the remainder of the existing dwelling to be remodeled. . . . . . .
Valuation:
N/A
Permit #:
UTL2018-00141
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family detached dwelling - addition and remodel
2019-05-10
Second story addition and remodel for a single family detached dwelling with a full basement. the second story to contain a master suite two additional bedrooms with baths. the remainder of the existing dwelling to be remodeled
Valuation:
N/A
Permit #:
BLD-SFD2018-00047
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ELE2022-00704
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
DEM2021-00009
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PLB2019-00740
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
MEC2019-01896
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ELE2019-01703
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition and alteration of a single family detached dwelling
2020-10-28
No Description Available
Valuation:
N/A
Permit #:
BLD-SFD2019-00539
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*voided for non-purchase.* major exterior and interior alteration and addition to an existing single-family residence that includes a fully submerged basement and detached garage. the exterior work includes new stucco metal stone veneer siding new windows new doors new covered porches and new conditioned floor area per sheet a0.2. the interior work includes new finishes throughout: fl... see more
Valuation:
N/A
Permit #:
UTL2022-00654
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 240 sqft. accessory shed to be constructed in the rear yard of a single family detached dwelling. building will not be insulated or conditioned but will have a 50 amp sub-panel fed underground from the dwelling
Valuation:
N/A
Permit #:
BLD-ACC2018-00105
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*online submittal-add 15 x 6 new cedar fence to match existing fence on northwest property line. -replace 25 of existing rotten cedar fence to match existing 6 cedar fence
Valuation:
N/A
Permit #:
FEN2018-00050
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Insol Builders LLC Reviews
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Insol Builders LLC License info
License Not Verified
| License # | LIC-0011811 |
| Status | Active |
| City | Boulder |
| Type | General Contractor |
| Class | Class C |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Insol Builders LLC with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011811-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 Insol Builders LLC at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Insol Builders LLC, click “This is My Business” to update your information.
Insol Builders LLC Employees
JZ
Jeffrey Zadow
Responsible Person