Updated: Dec 02, 2025
Location and Projects
Address
8199 Welby Road. Unit 4206, Thornton, CO, 80602
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Big Dog Construction Roofer
Big Dog Construction, 8199 Welby Rd, Thornton, CO (Owned by: Marco Hernandez) holds a Contractor license and 5 other licenses according to the Parker license board.
Their BuildZoom score of 101 ranks in the top 12% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Big Dog Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Big Dog Construction Contact Information
Phone Number: (303) 416-0803
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Address: 8199 Welby Road. Unit 4206, Thornton, CO 80602
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Big Dog Construction Thornton
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Big Dog Construction has a BuildZoom score of 101, which places them above 88% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2025 |
|
6 projects
|
2024 |
|
2 projects
|
2023 |
|
2 projects
|
2022 |
Our building permit records indicate that Big Dog Construction has worked on at least
12.0 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
|
12 projects
|
Roofing projects |
Analyzing permits over the last 4 years shows that Big Dog Construction mostly works on
roofing project
projects.
Pricing
|
8 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $13,228. 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.
Reroof 31.11sq. gaf laminated class iii
Valuation:
$18,600
Permit #:
B202500675
Status:
expired
Fee:
$792
Permit Type:
N/A
Building Type:
N/A
Gaf laminated composition shingles weatherwood class iii shingles remove and replace existing roof by city codes 2 stories pitch 6/12. synthetic felt 24.04 squares
Valuation:
$12,437
Permit #:
BP-21-02847
Status:
final
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
Re-roof - sq 20.31 - gaf laminated class iv - roof pitch 61/2
Valuation:
$18,407
Permit #:
24NGN-01683
Status:
issued
Fee:
$675
Permit Type:
N/A
Building Type:
N/A
Re-roof 30 sq gaf laminated composition shingles. color: weatherwood. remove and replace existing roof by city codes. 7/12 pitch. synthetic felt
Valuation:
$15,500
Permit #:
BP-21-03062
Status:
final
Fee:
$258
Permit Type:
N/A
Building Type:
N/A
Re-roof. 32 sq. class iv tridimensional shingle pavco
Valuation:
$11,200
Permit #:
B202403027
Status:
expired
Fee:
$505
Permit Type:
N/A
Building Type:
N/A
Re-roof 19.08 sq pavco class iv tridimensional
Valuation:
$13,787
Permit #:
B202405123
Status:
expired
Fee:
$598
Permit Type:
N/A
Building Type:
N/A
Re-roof 27 squares roof slope 5/12 gaf hdz
Valuation:
$22,355
Permit #:
BP-24-04318
Status:
issued
Fee:
$827
Permit Type:
N/A
Building Type:
Residential singl...
Re-roof pavco class iv tridimensional 19.33 sq
Valuation:
$6,896
Permit #:
B202403028
Status:
complete
Fee:
$323
Permit Type:
N/A
Building Type:
N/A
Re-roof 19.81 sq. pitch 6 1/2. material: owens corning laminated
Valuation:
$8,260
Permit #:
21NGN-00106
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-roof. gaf class iii tridimensional. black onix. s 33.67
Valuation:
$10,101
Permit #:
B202303981
Status:
complete
Fee:
$463
Permit Type:
N/A
Building Type:
N/A
Re roof 31 sq gaf armour shiel impact resistant class iv
Valuation:
N/A
Permit #:
BLDG21-6497
Status:
issued
Fee:
$420
Permit Type:
Reroof
Building Type:
N/A
Reroof 39 squares owens corning peppermill gray oakridge. 1 story 6.5/12 pitch 15# felt
Valuation:
$14,000
Permit #:
BP-20-02692
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Reproof gaf hd laminated composition shingles
Valuation:
$12,200
Permit #:
BDP21-3544
Status:
issued
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Re-roof - 24 sq - 6:12 - gaf laminated
Valuation:
$11,300
Permit #:
BP-20-03292
Status:
issued
Fee:
$444
Permit Type:
N/A
Building Type:
Residential singl...
Re-roof remove and replace one layer 30yr 3 dimensional gaf shingles 15# felt 2-story 6/12 200 squares
Valuation:
$76,000
Permit #:
BP-18-05139
Status:
final
Fee:
$826
Permit Type:
N/A
Building Type:
N/A
Re-roof 26 squares 6:12 gaf-elk timberline
Valuation:
$12,687
Permit #:
BP-19-05749
Status:
issued
Fee:
$487
Permit Type:
N/A
Building Type:
Residential singl...
Primary residence - composition
Valuation:
$35,000
Permit #:
23-21655
Status:
issued
Fee:
$492
Permit Type:
Primary residence...
Building Type:
N/A
Reroof 26 sq gaf hd shingles
Valuation:
$9,000
Permit #:
ROOF20-00144
Status:
final
Fee:
$366
Permit Type:
Residential
Building Type:
N/A
Replace existing one layer material with laminate shingles gaf hd. lifetime warranty. 130 wind resistance
Valuation:
N/A
Permit #:
BP-19-01156
Status:
complete
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
Re-roof 30.33 sq gaf hd--slate 7/12 pitch. synthetic felt
Valuation:
$17,274
Permit #:
BP-21-03229
Status:
final
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
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Big Dog Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Big Dog Construction License info
Verified License
| License # | AEC5300 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Big Dog Construction at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | R190360 |
| Status | Active |
| County | Douglas County |
| Type | Roofing |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Big Dog Construction at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC2015059095 |
| Status | Active |
| City | Thornton |
| Type | Class D Roofing/Siding |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Big Dog Construction at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | SPC0123001 |
| Status | Active |
| City | Lafayette |
| Type | Special Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2020. Check the current license status of Big Dog Construction with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 25278 |
| Status | Active |
| City | Thornton |
| Type | Roof/Siding |
- BuildZoom has not verified this license since September, 2015.
Verify this license's status for Big Dog Construction at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 100131032 |
| 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 Big Dog Construction at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
85
Permits
- Building permit records show that Big Dog Construction has worked on 85 permitted projects.
Big Dog Construction Employees
MH
Marco Hernandez
Owner