Modular Homes by Avalon Building Systems: Smart, Efficient and Quality Built
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Welcome to Avalon Building Systems and CalCon Mutual Mortgage

Avalon Building Systems and CalCon Mutual Mortgage unite craftsmanship with financing expertise. Avalon Building Systems serves homeowners across Massachusetts, New Hampshire, Rhode Island, Maine, Vermont, New York, New Jersey, and Connecticut, bringing modular innovation to the Northeast. CalCon Mutual Mortgage provides flexible lending solutions for modular and traditional builds, giving homeowners a seamless path from concept to completion.
Building Quality, Financing Confidence

Avalon Building Systems delivers precision-engineered modular homes that exceed expectations in quality, energy efficiency, and design flexibility. CalCon Mutual Mortgage complements that craftsmanship with customized loan programs, including FHA, VA, USDA, conventional, and construction-to-permanent financing. Together, Avalon Building Systems and CalCon Mutual Mortgage create an integrated experience that saves time, simplifies coordination, and ensures long-term value.
Why Choose Avalon Building Systems and CalCon Mutual Mortgage?
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Regional expertise: Avalon Building Systems proudly serves MA, NH, RI, ME, VT, NY, NJ, and CT with decades of modular homebuilding experience.
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Comprehensive financing: CalCon Mutual Mortgage offers diverse loan products tailored for modular construction and new home financing nationwide.
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Streamlined process: A coordinated team aligns your design, construction, and financing, reducing delays and eliminating confusion.
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Commitment to clients: Both Avalon and CalCon focus on transparency, communication, and satisfaction from the first consultation to final walkthrough.
Services & Partnership
Avalon Building Systems and CalCon Mutual Mortgage work together to deliver a complete homebuilding and financing experience. Avalon Building Systems designs and constructs modern, energy-efficient modular homes built with superior craftsmanship in controlled factory environments. Each Avalon home meets or exceeds regional building codes while minimizing construction time and material waste.
CalCon Mutual Mortgage complements that expertise with tailored financing solutions for every stage of the building process. Specializing in modular home lending, CalCon offers flexible options-FHA, VA, USDA, conventional, and construction-to-permanent loans, so homeowners can move confidently from planning to completion.
When you choose Avalon Building Systems and CalCon Mutual Mortgage, you gain two trusted partners working in unison. Avalon focuses on precision construction and lasting design, while CalCon ensures your financing is structured for long-term success. Together, they make building your dream home a smooth, stress-free experience where quality craftsmanship meets smart financing.
Begin Your Journey
Contact the team today to start designing, building, and financing your new modular home with confidence and clarity. To learn more about Avalon Building Systems, visit their website.
Schedule A Call With Us
Thomas Coronato
NMLS# 404587
SVP, Construction Lending
Talk With Troy Ross
Click "View Available Times" to select a date and time that works best for you. Once selected, follow the prompts to confirm your appointment. You'll receive a confirmation email with the details after booking.
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About CalCon Mutual Mortgage & Home Financing
Led by Thomas Coronato, Senior Vice President of Construction Lending at CalCon Mutual Mortgage, our highly experienced team shares a client-first mindset and passion for delivering personalized solutions. Together, we specialize in connecting homebuyers with the right builder for their unique project, ensuring a smooth, well-supported path from concept to completion.
With over 25 years of experience in construction lending, Thomas Coronato leads with expertise, integrity, and a deep commitment to building lasting relationships. He has dedicated his career to partnering with top-tier builders and guiding clients through the homebuilding journey with confidence.
Founded in 2013, CalCon Mutual Mortgage is a privately-owned Ginnie Mae, Fannie Mae, and Freddie Mac approved direct lender and servicer licensed in 49 states and 2 US territories with sales and operations across the country. In addition to supporting standard loan options like Conventional, FHA, VA, USDA, and Jumbo, CalCon specializes in portfolio and construction loans. The company places special importance on customer service as evidenced by their tagline, Service is Everything!®
Whether you're just starting to explore your options or ready to break ground, the CalCon Mutual Mortgage team is here to provide the knowledge, resources, and trusted partnerships to make your dream home a reality.