Skip to content Skip to footer

Conversions & Additions From Our Experts at Behan Builders

Behan Builders delivers expertly planned conversions and additions that expand your home without sacrificing comfort or design. Each project is tailored to blend seamlessly with the existing structure while improving functionality. Careful planning ensures efficient use of space and long-term durability. The result is an addition that feels intentional, well-integrated, and built to last.

Our Specialties for Residential & Commercial Clients

Basement Conversions

Basement conversions transform underutilized space into functional living or working areas. Proper planning addresses layout, lighting, and structural considerations to ensure comfort and code compliance. The result is a finished space that feels intentional and fully connected to the rest of the building.

Bathroom Additions

Bathroom additions are designed to improve convenience while maintaining a cohesive layout. Plumbing, ventilation, and space planning are handled with precision to support long-term use. Each addition blends seamlessly with the existing structure and finishes.

Outdoor Kitchens

Outdoor kitchens expand usable space and support entertaining in a comfortable, functional setting. Durable materials and thoughtful layouts ensure performance in outdoor conditions. These additions enhance both lifestyle and property appeal.

New Office Spaces

New office spaces are built to support productivity, organization, and efficient workflows. Layouts are customized to meet operational needs while maintaining a professional appearance. Each space is designed for flexibility, comfort, and long-term use.

Accessory Dwelling Units (ADUs)

Accessory dwelling units provide independent living space while maximizing the use of existing property. Design and construction focus on efficiency, code compliance, and long-term functionality. Each unit is integrated to feel cohesive with the main structure.

Conversions & Additions From Behan Builders

Why Properties in San Francisco Need Conversions & Additions

In San Francisco, space limitations and changing needs often make expansion a necessity rather than a luxury. Thoughtful upgrades allow property owners to make better use of what they already have without the cost of moving. These improvements help homes and buildings adapt to modern lifestyles while maintaining their architectural integrity.

New build
Rooftop conversion
Deck addition
Roof conversions
Conversions and additions
Modern kitchen with cabinets in blue

Find the Right Conversions & Additions for Your Needs Today

The right upgrade starts with a clear understanding of how your space needs to function. Careful planning ensures new areas blend seamlessly with the existing structure while supporting long-term use. With expert guidance, your property can be adapted to meet today’s demands without compromising quality or design.

five star reviews

Get Started Today!