Studio 1515 Landscape Architect

1606 Main St #205

1700 Soscol Ave

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.

Hardwood floor installation, refinishing and repair. Proudly serving the Napa valley and surrounding areas!

🌳Get A Garden You Love—Garden Design Education & Plant Expertise. Greenhouse Studio teaches garden lovers & homeowners how to design beautiful, cohesive outdoor spaces using clear garden design frameworks and practical plant expertise—supported by free tools, workshops, and a complete DIY garden design course. ⭐FREE 10-MINUTE GARDEN AUDIT: Pinpoint the real problem areas in your outdoor space to identify 1–2 changes that would make the biggest visual impact right now. Click Below To Download ⬇️