CALIFORNIA STEEL BUILDINGS

Nunno Corporation is a leading provider of structural steel systems. At Nunno Corporation, we specialize in architectural steel buildings, structural steel fabrication and steel building components. We provide you with quality steel products at value pricing and also offer assistance with the often frustrating planning and permitting process. Our in-house engineering team provides the flexibility to design a steel system to your exact specifications. Family-owned and operated for over 45 years, Nunno Corporation is one of the most respected names in the industry throughout Central California.

CUSTOM STEEL BUILDINGS

WINERY

AGRICULTURE

COMMERCIAL

AIRPORTS

CUSTOM BARNS

STEEL FAB

ABOUT US

At Nunno Corporation, we provide you with a beautiful and quality steel building of lasting value. We are a full-service business here to help you navigate the often frustrating planning and permitting process. Our in-house engineering team has the ability to design a steel building to meet your exact specifications. Lastly, we have a top-notch installation crew that serves all counties of California. We take as much pride in our work and craftsmanship as you do in your desire for a quality building.

All of our steel buildings—including general aviation and corporate aircraft hangars, and farm, agriculture, ranch, winery and commercial buildings—feature durable, Galvalume-coated steel siding with fully painted, structural steel trim elements. 

Our buildings are expertly constructed from 100% steel, meeting many important industry standards, including those of the Americans Welding Society (AWS), American Institute of Steel Construction (AISC), International Conference of Building Officials (ICBO), and International Building Code (IBC). Our buildings are also completely pre-manufactured with complete erection plans. This unique ability shortens the construction time and eliminates costly in-field fabrication, making a Nunno steel building the very best you can buy!

TESTIMONIALS

SOCIAL MEDIA

50’x40’ monitor style barn with bonderized roof sheeting and Corten wall sheeting located in San Luis Obispo. 

#metalbarn #steelbuildings #rusticbarn #steelconstruction #steel #centralcoast #sanluisobispocounty #sanluisobispo #americansteel #barn #weatheringsteel #corten #cortensteel

50’x40’ monitor style barn with bonderized roof sheeting and Corten wall sheeting located in San Luis Obispo.

#metalbarn #steelbuildings #rusticbarn #steelconstruction #steel #centralcoast #sanluisobispocounty #sanluisobispo #americansteel #barn #weatheringsteel #corten #cortensteel
...

Come take a walk with us! This 5,000 square foot building turned out amazing! The custom glass sectional doors are definitely the cornerstone and allow light in while maintaining privacy. Located in Paso Robles, this is truly one of the cleanest buildings we’ve been a part of. 

#steelbuildings #steelconstruction #metalbuildings #metalbarn #americansteel #centralcoast #pasorobles #steelfabrications

Come take a walk with us! This 5,000 square foot building turned out amazing! The custom glass sectional doors are definitely the cornerstone and allow light in while maintaining privacy. Located in Paso Robles, this is truly one of the cleanest buildings we’ve been a part of.

#steelbuildings #steelconstruction #metalbuildings #metalbarn #americansteel #centralcoast #pasorobles #steelfabrications
...

Some of our favorite builds from 2023. Which one was yours? 

#metalbuildings #steelbuildings #steelconstruction #steelfabricators #steelfabrications #metalbarn #winery #pasowinecountry #winestorage #centralcoast

Some of our favorite builds from 2023. Which one was yours?

#metalbuildings #steelbuildings #steelconstruction #steelfabricators #steelfabrications #metalbarn #winery #pasowinecountry #winestorage #centralcoast
...

Something exciting is in the works at L’Aventure Winery 🍇

#steelbuildings #steelconstruction #metalbuildings #steelfabrications #steelfabricators #welding #winery #wineproduction #winestorage #pasowine #pasowinecountry #centralcoast #centralcoastwine #pasorobleswineries #americansteel

Something exciting is in the works at L’Aventure Winery 🍇

#steelbuildings #steelconstruction #metalbuildings #steelfabrications #steelfabricators #welding #winery #wineproduction #winestorage #pasowine #pasowinecountry #centralcoast #centralcoastwine #pasorobleswineries #americansteel
...

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