Landscape Architects Marin Sonoma Napa and SF Bay Area

residential landscape architects marin county


We sculpt inspiring private spaces from nature. By listening to our clients, we create unique outdoor spaces tailored to your desires and dreams that enrich your life. We are constantly seeking innovative solutions that fit best with your project.

Multi-family landscape architects marin county


We work with Homeowner Associations to rehabilitate tired landscapes in creative and sustainable ways. Our objective is to improve your curb appeal, outdoor environments, and property values, while reducing your water and maintenance demands.


We can assist with all aspects of creating your dream ranch or country property: From initial site planning to optimize functionality; detailed design to bring your aesthetic dreams to life; to the permitting process and construction that make it real.

commercial landscape architects marin county


By understanding the needs and desires of the end user, we provide site planning and landscape and detail design for corporate buildings, hotels, and streetscape improvements that creates a memorable, enriching environment.

Simmonds & Associates, Inc.

Landscape Architecture, Site Planning, Urban & Equestrian Design

Simmonds & Associates, Inc. is a fully licensed landscape architecture firm based in Marin County and serving Marin, Sonoma, Napa, the San Francisco Bay Area and Northern California. With 25 years of experience on three continents, we specialize in garden design, residential estates, equestrian facilities, site planning and urban design. By blending the unique assets of each site, your dreams, our creativity, and sustainable practices, we work with our clients to sculpt garden spaces and outdoor environments rooted in nature and to be one of the finest landscape architects Marin County has to offer. Each unique place is a sanctuary from the stresses of life and an environment that nourishes the spirit.

Closer to Nature

Author Lee Anne White’s book about the work of Simmonds & Associates