Updated: Aug 09, 2025
Location and Projects
Address
13391 N Barlassina Dr, Oro Valley, AZ, 85755
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Hard Knox Construction
Hard Knox LLC, 13391 N Barlassina Dr, Oro Valley, AZ (Employee: Lars Aaron Nelson) holds a General Dual license according to the Arizona license board.
Their BuildZoom score of 97 ranks in the top 18% of 71,576 Arizona licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hard Knox LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hard Knox LLC Services
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Hard Knox LLC Contact Information
Phone Number: (714) 675-4705
Address: 13391 N Barlassina Dr, Oro Valley, AZ 85755
Hard Knox LLC Oro Valley
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hard Knox LLC has a BuildZoom score of 97, which places them above 82% of 71,576 contractors in Arizona.
Activity
|
2 projects
|
2024 |
Our building permit records indicate that Hard Knox LLC has worked on at least
2.0 projects over the past 2 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
|
$100k-$250k |
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.
Duplicate certificate of occupancy. duplicate of occupancy only: ride now powersports 21500 sq. ft. (b/s1) occupancy. existing type vb construction. 147 max occupants. no work under this permit. ref: pmt18-13997. the intention of this permit is to duplicate a previously permitted occupancy classification(s) only. this permit request does not authorize or approve un-permitted construct... see more
Valuation:
N/A
Permit #:
PMT24-03479
Status:
final
Fee:
N/A
Permit Type:
Other commercial
Building Type:
N/A
2340 sq ft duplex with 2 seperate 1050 gal septic
Valuation:
$171,354
Permit #:
PER21-04099
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
Vacant
Bathroom addition and rev 1: omitting the shower and relocating the washer/dryer to the back wall of the room and moving the sink to the current location of the washer/dryer
Valuation:
N/A
Permit #:
P19BP00767
Status:
final
Fee:
$266
Permit Type:
Single family add...
Building Type:
N/A
Enclose existing carport to garage and rev1: new concrete detail for non-bearing walls
Valuation:
N/A
Permit #:
P21BP03039
Status:
final
Fee:
$355
Permit Type:
Single family alt...
Building Type:
N/A
Convert existing garage into bedroom & bonus room
Valuation:
N/A
Permit #:
P22BP01598
Status:
final
Fee:
$627
Permit Type:
Single family add...
Building Type:
N/A
Enclose existing carport 355 sq.ft enclosure
Valuation:
N/A
Permit #:
P20BP07872
Status:
final
Fee:
$236
Permit Type:
Single family add...
Building Type:
N/A
Replace covered patio with new
Valuation:
N/A
Permit #:
P20BP02907
Status:
final
Fee:
$649
Permit Type:
Single family add...
Building Type:
N/A
Ti: interior demolish retail to coffe shop
Valuation:
N/A
Permit #:
T17CM09542
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ti: starbucks
Valuation:
N/A
Permit #:
T18CM00187
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ti: office warehouse
Valuation:
N/A
Permit #:
T20CM00178
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hard Knox LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Hard Knox LLC License info
Verified License
| License # | 313510 |
| Status | Active |
| State | Arizona |
| Type | General Dual |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Hard Knox LLC at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
9
Permits
- Building permit records show that Hard Knox LLC has worked on 9 permitted projects.
Hard Knox LLC Employees
LN
Lars Aaron Nelson
Member