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State Roofing Systems

Nations Roof acquired State Roofing Systems to expand support in this region and to reinforce the expertise of a trusted local team. State Roofing Systems continues to operate under its established name while benefiting from the resources and backing of the Nations Roof family of companies.

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State Roofing Systems Locations

Riverside, CA

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San Leandro, CA

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40 Years of Proven State Roofing Systems History

"We take great pride in our exemplary performance as roofing contractors and pay close attention to customer satisfaction."

 

Founded in 1981, State Roofing Systems has grown from a regional roofing contractor into a trusted partner for commercial roofing projects. Our longevity reflects a continued commitment to quality workmanship, jobsite safety, and protecting the long-term performance of our clients’ buildings.

state roofing partners

State Roofing Remains Your California Roofing Partner

Serving commercial roofing clients across California from our Riverside and San Leandro locations. Our teams support projects throughout the region, traveling where needed to deliver dependable commercial roofing services for businesses, facilities, and large-scale properties across the state.

Our local teams are ready to serve you with the same expertise and integrity you've come to expect from the State Roofing Systems name—now with the added strength of Nations Roof.

Comprehensive Experience in All Types of Roofing

We install over 2.5 million square feet of roofing each year across systems like single-ply, built-up, green roofing, steep slope, and roof terraces. Our team also provides specialty services, including maintenance, restoration, and repairs, to extend the life of every roof.

Board Insulations
Provide roofing systems with thermal resistance value, protect the roofing membrane by acting as a separator from a structure’s rough surface; or, in re-roofing the board may act as a new base for a new roofing membrane (re-cover).
Single-Ply Roofing
Single Ply Membrane Roofing (low-slope applications) provides excellent detailing components for roofs with many penetrations. They have the versatility for quality tie-ins to different surfacing, or odd shapes.
Built-Up Roofing
Where pedestrian traffic is high, a BUR roof system has no equal. A BUR roofing membrane is constructed on the roof by combining layers of materials (roll goods) together and in their total they act as the roofing membrane.
Green Roofing
Garden Roofs are cool, but "Cool Roofs" have been green roofing’s huge step forward in the area of solar reflectivity, reducing radiant heating.
Steep Slope
Whether it an asphalt shingle or a ceramic tile, shingles, slate and tile applications are shedding systems not waterproofing systems.
Roof Terraces
Pavers add functionality and beauty to roof spaces while pedestal roof terraces offer water navigation underneath as well as leveling.
Specialty Services
We offer a wide range of services such as pressure washing, upkeep like tightening fasteners as well as complete restoration and repair.
Board Insulations
Provide roofing systems with thermal resistance value, protect the roofing membrane by acting as a separator from a structure’s rough surface; or, in re-roofing the board may act as a new base for a new roofing membrane (re-cover).
Single-Ply Roofing
Single Ply Membrane Roofing (low-slope applications) provides excellent detailing components for roofs with many penetrations. They have the versatility for quality tie-ins to different surfacing, or odd shapes.
Built-Up Roofing
Where pedestrian traffic is high, a BUR roof system has no equal. A BUR roofing membrane is constructed on the roof by combining layers of materials (roll goods) together and in their total they act as the roofing membrane.
Green Roofing
Garden Roofs are cool, but "Cool Roofs" have been green roofing’s huge step forward in the area of solar reflectivity, reducing radiant heating.
Steep Slope
Whether it an asphalt shingle or a ceramic tile, shingles, slate and tile applications are shedding systems not waterproofing systems.
Roof Terraces
Pavers add functionality and beauty to roof spaces while pedestal roof terraces offer water navigation underneath as well as leveling.
Specialty Services
We offer a wide range of services such as pressure washing, upkeep like tightening fasteners as well as complete restoration and repair.

Recent Projects

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agilent-technologies

SANTA CLARA, CA

Agilent Technologies

Sunpower T-5 composite framed ballasted PV system installed over Sarnafil PVC single ply membrane. 

bayland

SANTA CLARA, CA

Bayland

The 31,000 sq ft roof area was replaced using Duro-Last .050 mil fleece backed PVC membrane installed over ¼” Dens Deck.

cushman and wakefield project

SAN LEANDRO, CA

Cushman & Wakefield

The 59,400 sq. ft area on the North Building was restored using the WeatherWeld seamless roof system surfaced with a reflective aluminum. 

davita-project

HAYWARD, CA

Davita

The existing capsheet surfaced Built Up Roof was overlaid with EPS Fanfold insulation and Firestone .060 mil polyester reinforced TPO single ply.

de rose associates project

SAN JOSE, CA

De Rose Associates

DuroLast 50 mil PVC was installed over the existing built up roof system using EPS fanfold insulation to separate the two systems. 

delta dental project

RANCHO CORDOVA, CA

Delta Dental

The existing capsheet surfaced fiberglass Built Up Roof system was installed over gypsum board over a steel deck. 

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Frequently Asked Questions

Who is State Roofing Systems?
State Roofing Systems is a commercial roofing contractor that provides installation, repair, maintenance, and roof management services for buildings across the United States. Their team works with property owners, facility managers, and contractors to deliver dependable roofing solutions backed by experienced crews, strong safety practices, and long-term service support.
What roofing systems do you work on?
State Roofing Systems works with most major commercial roofing systems, including TPO, PVC, and EPDM single-ply membranes, as well as modified bitumen, built-up roofing, metal roofing, and fluid-applied coating systems. Their crews are trained to handle everything from targeted repairs to full roof replacements.
Are emergency repairs available?

Yes. State Roofing Systems provides emergency commercial roofing services to help address active leaks, storm damage, and other urgent issues. Their crews respond quickly to stabilize the roof, limit interior damage, and develop a plan for permanent repairs.

How do you manage safety on projects?

Safety is a core focus on every State Roofing Systems project. Their teams follow established safety procedures, maintain ongoing training, and coordinate closely with building stakeholders to reduce risk and keep jobsites secure for both workers and occupants.

Where do you provide service?

State Roofing Systems supports customers across multiple regions in the United States. With crews and offices positioned to serve local markets as well as large regional or national projects, they provide inspections, maintenance programs, repairs, and new roofing installations for commercial facilities of many sizes.

Get In Touch

Nations Roof provides consistent quality, accountability, and national coverage for complex roofing programs.

Proven Safety & Compliance

Industry Leader Safety Excellence EMR 0.47 ISNETWORLD Member Contractor ISN A Rating

Proficient in Major Facility Portals

Experienced across the platforms national teams rely on every day.

Certified by All Manufacturers

Approved to install, service, and warranty all major roofing systems.

Familiarity with FM Global Approvals

Experience meeting FM Global standards for insured properties.

Proven Safety & Compliance

Industry Leader Safety Excellence EMR 0.47 ISNETWORLD Member Contractor ISN A Rating