Updated: Jul 02, 2026
Location and Projects
Address
P O BOX 2799, Rocklin, CA, 95677
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California Single Ply Construction
Serving commercial and industrial properties throughout Northern California, California Single Ply, Inc specializes in flat and low-slope roofing systems. Based in Rocklin, the company focuses on the installation of single ply membranes—including TPO (Thermoplastic Polyolefin), PVC (Polyvinyl Chloride), and EPDM (Ethylene Propylene Diene Monomer)—as well as roof coatings and insulation solutions. Their portfolio includes large-scale warehouses, office complexes, retail centers, and public facilities. California Single Ply, Inc manages both new construction and re-roofing projects, working directly with property managers, developers, and building owners. With 25 years of experience in the commercial roofing industry, the company is known for employing established application methods suited to the region’s climate and building codes. Their approach centers on energy-efficient roofing technologies and proven materials designed for long-term performance.
California Single Ply, Inc Services
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California Single Ply, Inc Contact Information
Phone Number: (916) 630-7380
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Address: P O BOX 2799, Rocklin, CA 95677
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Building Permits by California Single Ply, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
E-permit: tear off - yes resheet - no 1 layer(s) 130 squares of pvc single ply. crrc: 0612-0026
Valuation:
$376,650
Permit #:
COM-2222857
Status:
final
Fee:
$4,339
Permit Type:
N/A
Building Type:
N/A
Tear off - no resheet - no 1 layer(s) 135 squares of tpo single ply. in-progress inspection required if 10 squares or greater. over existing built up roofing
Valuation:
$51,800
Permit #:
COM-1616138
Status:
final
Fee:
$920
Permit Type:
N/A
Building Type:
Office
Tear off - no resheet - no 1 layer(s) 135 squares of tpo single ply. in-progress inspection required if 10 squares or greater
Valuation:
$54,600
Permit #:
COM-1616136
Status:
final
Fee:
$951
Permit Type:
N/A
Building Type:
Office
E-permit: tear off - yes resheet - no 1 layer(s) 19 squares of pvc single ply. crrc: 0612-0026
Valuation:
$39,000
Permit #:
COM-2020184
Status:
final
Fee:
$780
Permit Type:
N/A
Building Type:
N/A
E-permit: tear off - yes resheet - no 1 layer(s) 53 squares of edpm single ply. crrc: 0612-0026
Valuation:
$103,930
Permit #:
COM-2018531
Status:
final
Fee:
$1,510
Permit Type:
N/A
Building Type:
N/A
Residential: full review - additions accessory structures pools demolish generators and other
2007-09-18
Commercial reroof permit for an automotive repair shop overlay install tpo singleply minimum class a roofing assembly required the roof covering installed on the structure identified above must be installed per the manufacturer's requirements for installation
Valuation:
$23,500
Permit #:
BRAA 27140.07
Status:
final
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Tear off - no resheet - no 1 layer(s) 27 squares of built-up roofing. in-progress inspection required if 10 squares or greater install 60 mil white pvc mechanical. fastened single ply membrane over existing built-up
Valuation:
$16,800
Permit #:
COM-1601977
Status:
final
Fee:
$480
Permit Type:
N/A
Building Type:
Office
Tear off single ply and install 80 mil pvc single ply
Valuation:
$36,514
Permit #:
RERC2012-00151
Status:
final
Fee:
$714
Permit Type:
N/A
Building Type:
N/A
Commercial - reroof 66 sqrs - tear off 10 sqrs mansard - wood shake replace with comparable - overlay 56 sqrs flat roof
Valuation:
$12,400
Permit #:
RER2001-01168
Status:
final
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
Commercial - reroof 66 sqrs - tear off 10 sqrs mansard - wood shake replace with comparable - overlay 56 sqrs flat roof
Valuation:
$12,400
Permit #:
RER2001-01169
Status:
final
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
Commercial reroof permit for an automotive repair shopoverlay install tpo singleply minimum class a
Valuation:
$23,500
Permit #:
27140.07
Status:
DONE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial - reroof 66 sqrs - tear off mansard - wood shake replace with comparable - overlay flat roof
Valuation:
$12,400
Permit #:
RER2001-01171
Status:
final
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
Comm.- reroof tpo genflex over existing built - up pre inspect
Valuation:
$34,000
Permit #:
RER2005-00153
Status:
final
Fee:
$467
Permit Type:
N/A
Building Type:
N/A
Commercial - reroof 10 sqrs
Valuation:
$12,400
Permit #:
RER2001-01172
Status:
final
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Reroof w tpo membrane 1.5 mm
Valuation:
$24,000
Permit #:
RER2006-03556
Status:
expired
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
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California Single Ply, Inc License info
Verified License
| License # | 662255 |
| Status | Active |
| State | California |
| Type | Roofing, General Building, Sheet Metal |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for California Single Ply, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Indemnity Company Of California |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
12
Permits
- Building permit records show that California Single Ply, Inc has worked on 12 permitted projects.
California Single Ply, Inc Employees
JM
James Roy Mahle
Rmo
TM
Trina Maria Mahle
Ceo / President