Updated: Jun 02, 2026
Location and Projects
Address
PO BOX 1924, Longmont, CO, 80502
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G.L. Custom Builders Construction
G.L. Custom Builders, Inc, Longmont, Po Box 1924, Longmont, CO (Owned by: Gabriel Casas) holds a One And Two Family Residential license and 11 other licenses according to the Boulder County license board.
Their BuildZoom score of 106 ranks in the top 7% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G.L. Custom Builders, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G.L. Custom Builders, Inc Services
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G.L. Custom Builders, Inc Contact Information
Phone Number: (303) 651-6391
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Address: PO BOX 1924, Longmont, CO 80502
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G.L. Custom Builders, Inc Longmont
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
G.L. Custom Builders, Inc has a BuildZoom score of 106, which places them above 93% of 55,949 contractors in Colorado.
Activity
|
13 projects
|
2025 |
|
5 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that G.L. Custom Builders, Inc has worked on at least
24.0 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
|
6 projects
|
Home Additions |
|
3 projects
|
New Constructions |
|
4 projects
|
Kitchen remodels |
|
3 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that G.L. Custom Builders, Inc mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
3 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
9 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $23,884. 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.
Building Permits by G.L. Custom Builders, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Structural remodel: full interior remodel: remove existing kitchen wall/family room wall and relocation of kitchen. new master bedroom/bath; update all br and ba; new windows doors; front cvd porch; rear deck exterior stairways etc. need es report for spray foam
Valuation:
$146,000
Permit #:
BP-25-01139
Status:
issued
Fee:
$6,028
Permit Type:
N/A
Building Type:
Residential singl...
Construction of new detached garage. garage to have engineered foundation and trusses. exterior and interior lighting. no plumbing or heating associated with this project
Valuation:
$35,000
Permit #:
2025-LOG-0000963
Status:
approved
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
This new home addition involves adding 367sf of conditioned living spaces to the basement off the rear of the house as well as 384sf to the south for an unconditioned single car garage at the basement level. the front door location will be moved from its current tri-level mid-level entry location up to the main level. a new 33sf stoop and dural stair will access this new front door lo... see more
Valuation:
N/A
Permit #:
PLB2021-00712
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This new home addition involves adding 367sf of conditioned living spaces to the basement off the rear of the house as well as 384sf to the south for an unconditioned single car garage at the basement level. the front door location will be moved from its current tri-level mid-level entry location up to the main level. a new 33sf stoop and dural stair will access this new front door lo... see more
Valuation:
N/A
Permit #:
MEC2021-02095
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This new home addition involves adding 367sf of conditioned living spaces to the basement off the rear of the house as well as 384sf to the south for an unconditioned single car garage at the basement level. the front door location will be moved from its current tri-level mid-level entry location up to the main level. a new 33sf stoop and dural stair will access this new front door lo... see more
Valuation:
N/A
Permit #:
ELE2021-01718
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family detached dwelling - addition and remodel
2023-04-20
This new home addition involves adding 367sf of conditioned living spaces to the basement off the rear of the house as well as 384sf to the south for an unconditioned single car garage at the basement level. the front door location will be moved from its current tri-level mid-level entry location up to the main level. a new 33sf stoop and dural stair will access this new front door lo... see more
Valuation:
N/A
Permit #:
BLD-SFD2021-00566
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling with attached garage (marshall fire bda-22-0149-marshall)
Valuation:
$900,000
Permit #:
BP-24-2686
Status:
issued
Fee:
$15,710
Permit Type:
N/A
Building Type:
N/A
Replace existing deck (no change in size or shape) + addition covered roof with shingles per engineered drawings
Valuation:
$24,500
Permit #:
B202502480
Status:
expired
Fee:
$1,252
Permit Type:
N/A
Building Type:
N/A
Replace existing deck (no change in size or shape) + addition covered roof with shingles per engineered drawings
Valuation:
$24,500
Permit #:
B202502480
Status:
expired
Fee:
$1,252
Permit Type:
N/A
Building Type:
N/A
Replace existing rear deck (18 x 21 ) 378. no change is size or shape-repurposing existing concrete footings
Valuation:
$16,000
Permit #:
B202501364
Status:
issued
Fee:
$835
Permit Type:
N/A
Building Type:
N/A
Construction of new detached garage at rear of property
Valuation:
$34,800
Permit #:
BP-25-00972
Status:
issued
Fee:
$1,620
Permit Type:
N/A
Building Type:
Residential singl...
New asphalt shingler roof on new detached garage being constructed
Valuation:
$900
Permit #:
2025-ROOFSIDE-0005113
Status:
issued
Fee:
$35
Permit Type:
N/A
Building Type:
Garage
Install new 3rd level deck + window to door conversion
Valuation:
N/A
Permit #:
EXT_R2025-00019
Status:
final
Fee:
N/A
Permit Type:
Deck
Building Type:
N/A
*voided for inactivity - no inspections within 180 days* interior remodel: updating the kitchen adding a powder room remodeling the master bathroom
Valuation:
$160,000
Permit #:
BLD-MFD2023-00011
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing roof on detached garage with owens corning duration shingles- onyx black 6/12 pitch
Valuation:
$2,200
Permit #:
2025-ROOFSIDE-0008554
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Garage
Replace existing front 109sqft and rear deck 204sqft. no changes to shape or size. l repurpose existing concrete footings
Valuation:
$16,000
Permit #:
B202404912
Status:
complete
Fee:
$835
Permit Type:
N/A
Building Type:
N/A
Interior remodel - addition mudroom powder laundry room remodel kitchen
Valuation:
$85,000
Permit #:
B202102876
Status:
complete
Fee:
$3,452
Permit Type:
N/A
Building Type:
N/A
Custom home 2018 irc fin basement 377 sq ft
Valuation:
$354,726
Permit #:
RES21-01633
Status:
final
Fee:
$12,752
Permit Type:
New sf detached
Building Type:
N/A
Basement finish - 1151 sf - consisting of rec room with wet bar two bedrooms one computer room one bathroom - 100 sf of unfinished mechanical room & sump pit closet
Valuation:
$40,000
Permit #:
B202103445
Status:
complete
Fee:
$2,630
Permit Type:
N/A
Building Type:
N/A
Installation of a 21 x 15 sundance louvered pergola on top
Valuation:
N/A
Permit #:
BPR-033385-2024
Status:
final
Fee:
N/A
Permit Type:
Patio cover or de...
Building Type:
N/A
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G.L. Custom Builders, Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
G.L. Custom Builders, Inc License info
License Not Verified
| License # | CON-20-0061 |
| Status | Active |
| County | Boulder County |
| Type | One And Two Family Residential |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of G.L. Custom Builders, Inc with the Boulder County Land Use Department
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-0010432-GENCB |
| Status | Active |
| City | Boulder |
| Type | General |
| Class | Class B |
| Date Issued | 01-14-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for G.L. Custom Builders, Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Residential Contractor Class C |
- BuildZoom has not verified this license since April, 2024.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | D Tenant Finish |
- BuildZoom has not verified this license since April, 2024.
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 September, 2020. Check the current license status of G.L. Custom Builders, Inc 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
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of April, 2022. Check the current license status of G.L. Custom Builders, Inc 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.
Inactive License
| License # | 23-000014 |
| Status | Inactive |
| City | Lafayette |
| Type | General Class C |
- According to the City of Lafayette, 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 G.L. Custom Builders, Inc at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC7872 |
| 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 G.L. Custom Builders, Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0013925 |
| Status | Inactive |
| Pueblo | |
| Type | Limited |
- According to the Pueblo regional Building 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 G.L. Custom Builders, Inc at the Pueblo regional Building Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 070228057 |
| 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 G.L. Custom Builders, Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | XX-1655 |
| Status | Inactive |
| City | Fort Collins |
| Type | Gen Contractor |
- According to the City of Fort Collins, 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 G.L. Custom Builders, Inc at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | E-395(C) |
| Status | Inactive |
| City | Fort Collins |
| Type | Gen Contractor |
- According to the City of Fort Collins, 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 G.L. Custom Builders, Inc at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | American Title, Pinnacol |
68
Permits
- Building permit records show that G.L. Custom Builders, Inc has worked on 68 permitted projects.
G.L. Custom Builders, Inc Employees
GI
G.L. Custom Builders Inc
Owner
GC
Gabe Casas
GC
Gabriel Casas
Owner
GC
Guadalupe Casas
LC
Lou Casas
Contact