Updated: May 31, 2026
Location and Projects
Address
6904 BLUEGRASS COURT, Livermore, CA, 94551
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Mt Systems Roofer
Mt Systems at 6904 BLUEGRASS COURT, Livermore, CA 94551, held a Roofer license (#585420) with the California contractors license board with an expiration date of 02-28-2010. We last verified the license was expired on 05-30-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Mt Systems Contact Information
Phone Number: (925) 784-5724
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Address: 6904 BLUEGRASS COURT, Livermore, CA 94551
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Reroof of existing house (addt under separate permit to separate contractor): tear off cal-shake roofing install osb and 27 squares of comparable shingles
Valuation:
$10,000
Permit #:
07000-00000-00276
Status:
issued
Fee:
$255
Permit Type:
N/A
Building Type:
N/A
Re-roof: tear off shake install 1/2 osb felt and lightweight concrete tile. approx. 6000 sq ft
Valuation:
N/A
Permit #:
BI375048
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Re-roof approx 6000 sq ft: removing shake installing felt and lightweight concrete tile
Valuation:
N/A
Permit #:
BI375047
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Tear off all roofing install felt and composition shingles approx. 2500sq ft per owner
Valuation:
N/A
Permit #:
BI415897
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Reroof 30 squares class a composition shingles per contractor
Valuation:
N/A
Permit #:
BI403366
Status:
final
Fee:
$112
Permit Type:
N/A
Building Type:
N/A
Tear off shingle and comparable and install osb plywood and comparable
Valuation:
$8,000
Permit #:
R070076
Status:
final
Fee:
$277
Permit Type:
Asfr
Building Type:
N/A
66 squares of light weight concrete tile
Valuation:
N/A
Permit #:
BI383710
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Reroof 33 squares class b heavy shakes
Valuation:
N/A
Permit #:
BI389946
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Reroof/comp/class a/3 sq/detached structure
Valuation:
N/A
Permit #:
BI322860
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Tear off & reroof w composition shingles
Valuation:
$5,800
Permit #:
BP03001497
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
40 squares of shake roof
Valuation:
N/A
Permit #:
BI383709
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Reroof/comp/class a/gazebo/2 sq
Valuation:
N/A
Permit #:
BI322861
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Reroof/comp/class a/22 sq
Valuation:
N/A
Permit #:
BI322858
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Reroof class b shake 55 squares
Valuation:
N/A
Permit #:
BI326037
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$5,500
Permit #:
02100157
Status:
final
Fee:
$118
Permit Type:
Residential
Building Type:
N/A
No Description Available
Valuation:
$5,500
Permit #:
02100156
Status:
final
Fee:
$118
Permit Type:
Residential
Building Type:
N/A
Reroof 50 squares class a light weight tile
Valuation:
N/A
Permit #:
BI387445
Status:
expired
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Reroof 50 squares class a light weight tile
Valuation:
N/A
Permit #:
BI387443
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
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Mt Systems Reviews
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Mt Systems License info
Inactive License
| License # | 585420 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 Mt Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Mt Systems, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that Mt Systems has worked on 16 permitted projects.
Mt Systems Employees
WD
William Hugh Ditzel
Sole Owner