About Us

Citadel Roofing and Solar is Northern California’s contractor of choice for all your roofing and solar needs.  With more than 30 years of experience the team at Citadel Roofing and Solar has installed roofs and solar systems up and down Northern California. While working for Major Residential Home Builders, Multifamily Apartment and Condominium Builders and Custom Home Builders, Citadel Roofing and Solar has earned the respect of the industry we serve.  We are proud of our great reputation and look forward to working with you on your next project. So whether you are building 500 homes, a large apartment complex, that beautiful custom dream home or outfitting your existing home with a high performance solar system Citadel Roofing and Solar is here for you.

Dieter Folk


Kara Folk

Project Manager

Tiffanie Gulley

Project Coordinator

Stephanie Knupfer

VP of Human Resources

Andrew Folk

Operations Manager | Solar

Sarah Metcalf

Director of New Construction | Solar

Josh Harris

Solar Designer

Brandon Kasper

Solar Sales Manager

John Moberg

Solar Specialist

Nathan Riddell

Solar Specialist

Adam Donovan

Solar Specialist

Adam Harmon

Solar Specialist

Kevin Balbi

Re-roofing and Retro Solar Manager

Wade Woodward

Roofing Specialist

Will Lightfoot

Estimating Manager


Advanced Building Systems

Beazer Homes

Braddock & Logan

Brookfield Homes

CalAtlantic Homes

Castle Companies

Clyde Miles Construction


DeNova Homes

Discovery Homes

DR Horton

Edenbridge Homes

Elliott Homes

Gary Harmelink Custom Homes

Giannoni Development

Granville Homes

Grupe Homes

JMC Homes

JKB Living

K. Hovnanian Homes

KB Home

Kiper Development


Meritage Homes

Nexgen Homes

Nuevera Homes

Pulte Homes

Richmond American

Ryder Homes

Sacramento Habitat for Humanity

Seeno Homes

Shea Homes

Signature Homes

Standard Pacific


Taylor Morrison

The Kearns Company

The New Home Company

Tim Lewis Communities

TRI Pointe Homes

True Life Communities

Warmington Homes

Wilson Homes


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