SDA landscape architecture

1700 Soscol Ave

Studio 1515 | Creating beautiful, custom landscape environments … Our plans reflect our clients’ visions and goals, meet or exceed sustainability criteria to protect our natural resources and function in the real world.

vTA consists of a collaborative group of individuals who place a high priority of maintaining our commitment of providing personal and responsive service that defines our core culture. We design innovative, memorable places—distinctive placemaking that puts people first.

Landscape architectural design is why we exist – it’s who we are and what we do! vanderToolen Associates (vTA) was incorporated in 1996 on the principal of creating innovative, enduring, and unforgettable landscape solutions. Our success is a testament to our Clients who have repeatedly tasked us to design transformative and memorable landscape environments. We now have offices in Napa, Walnut Creek and West Sacramento. vTA consists of a collaborative group of individuals who place a high priority of maintaining our commitment of providing personal and responsive service that defines our core culture. We constantly strive to innovate design for your projects resulting in the creation of unique place-making environments.

With over 40 years of experience, Ms. Cagwin has provided Landscape Architectural services throughout the Bay Area in site planning and landscape development of parks, schools, multi unit residential subdivisions, inns, wineries, commercial properties, and residential estates and homes. She is an experienced professional with a broad range of expertise in Layout and Construction, Grading and Drainage, Planting, Irrigation, Lighting, Construction Detailing, Cost Estimating, Value Engineering, Bid Administration, and Project Management. She has led and managed multidiscipline teams on numerous commercial, residential and residential projects from conceptual through final design and construction.

Licensed Landscape Architect. Commercial and Residential outdoor space design.

1506 Main St

JS Design + Build is a full-service design and build remodeling firm in Napa, CA, serving the Napa Valley, Sonoma, Solano & Green Valley. We specialize in whole-house renovations, home additions, ADUs, & custom kitchen remodels. Our in-house team manages the entire process, from design and feasibility studies to construction and final cleanup—ensuring a seamless, stress-free experience. With over 45 years of design expertise and 20+ years of building experience, we deliver inspired spaces with craftsmanship, accountability, and integrity. Trusted by Napa homeowners for our attention to detail and transparent process . Whether you're remodeling a historic farmhouse or planning a modern kitchen upgrade, we will bring your vision to life.