Home Additions in Windsor

Professional Service Excellence

When your family outgrows your current space, strategic home additions provide the perfect solution for expanding without relocating. Hilario Construction builds custom home extensions, second stories, and living space expansions that seamlessly integrate with your existing structure. Our full design-to-permit service ensures smooth project flow from initial concept through final completion. Real estate data indicates that well-planned additions typically add square footage value of $100-150 per foot while providing immediate functional benefits. We're experienced with Sonoma County zoning requirements and hillside construction challenges unique to the region.


Structural Integration Expertise

Windsor's established neighborhoods often feature homes on varied terrain that requires specialized construction techniques for successful expansion projects. Our team excels at precise structural integration that makes new additions appear as original architecture rather than obvious afterthoughts. We're ideal partners for growing families or homeowners needing more functional space without compromising their current location or community connections. Add space and value to your home — schedule your addition consultation. Known for clean exterior finishes, we ensure every project enhances both functionality and curb appeal.


Design-Build Excellence

• Custom extensions designed for Windsor's diverse architectural styles 

• Second-story additions that maximize lot usage and views 

• Zoning compliance expertise for Sonoma County regulations 

• Hillside construction techniques for challenging terrain 

• Structural integration that appears seamlessly original  


Your investment in additional living space provides immediate functional benefits while building long-term equity in your Windsor property. Studies reveal that homeowners who add space rather than relocate save an average of $75,000 in transaction and moving costs. Our commitment to excellence ensures your addition project delivers maximum value through superior craftsmanship, attention to detail, and comprehensive project management from start to finish.