Landscape Design in St. Helena, CA

Yes. Every part of St. Helena falls within the regular service area, from homes near Main Street to the estate parcels and hillside lots that sit further out along the valley floor and up into the surrounding slopes. The neighboring Upvalley communities are covered too, so if your property sits just past the city line you're still in range. Because so much Upvalley land is sloped, terraced, or bordered by vineyard, the crew is used to accessing and working on parcels that aren't simple flat rectangles. If you're unsure whether your specific address qualifies, a quick call is the fastest way to confirm before anything gets scheduled.

Both ends of the spectrum. On the smaller side, that might mean a single stone patio, a custom pergola over an existing seating area, or a defined planting refresh in one part of the yard. On the larger side, it's full-property design that pulls masonry, carpentry, and landscaping together into one coordinated build — the kind of project where the whole outdoor space gets reworked at once. Most St. Helena properties land somewhere in between, and the design phase exists precisely to figure out the right scope for your goals and your budget. The best way to pin down what your property actually needs is a consultation, where the site gets looked at in person before any numbers are discussed.

Absolutely, and on Upvalley properties it's expected rather than unusual. Established oaks, mature specimen trees, and vineyard rows are treated as anchors the design is built around, not obstacles to clear away. Preserving them usually makes the finished landscape look more settled and rooted in its setting than a design starting from bare ground ever could. The plan accounts for root zones, canopy shade, and sightlines to the vines so new hardscape and planting complement what's already established. If a tree or planting has to be protected during construction, that gets factored into how the crew stages and sequences the work.

It starts with a site visit and a real conversation about how you picture using the space — quiet retreat, entertaining hub, family yard, or some blend of all three. From there, the specifics of your property get studied: grade, sun exposure, drainage patterns, existing features, and how the outdoor areas connect back to the house. That information becomes a detailed design plan, paired with 3D visualizations that let you walk through the outcome before a single shovel goes in the ground. This is the stage where changes are easy and inexpensive, so you're encouraged to react, question, and adjust until the plan genuinely matches what you had in mind. Only once the design is settled does construction begin.

Yes, and sloped lots are a routine part of Upvalley work rather than a special case. Grading, retaining walls, and drainage are engineered into the design from the beginning, because on a hillside those elements are what keep the whole property stable and usable over time. Done poorly, slope leads to erosion, pooling water, and hardscape that shifts and cracks within a few seasons. Done right, it becomes an opportunity — terraced planting beds, tiered patios, and stone walls that turn a difficult grade into one of the most striking parts of the yard. The plan for your property is shaped around its specific terrain, not a one-size template.

Outdoor kitchens and fire features tend to lead the list, since so much of Upvalley living happens outside around food and gathering. Custom decks and shaded pergolas are close behind, giving homeowners comfortable places to sit through the valley's hot afternoons and long summer evenings. Drought-conscious planting has also become a standard request, pairing the beauty homeowners want with the water realities of the region. Stone walkways, water features, and integrated lighting round out the elements that show up again and again. That said, no two properties get the same list — the features that make the final cut are the ones that fit how you actually plan to use the space.

Yes. Keystone Yards holds California Contractor License #1078372, and that license carries two classifications — General Building and C-27 Landscaping — which together cover the full range of design, hardscape, and construction work involved in a complete outdoor project. Holding both means the same licensed company can handle structural building elements and landscaping without you having to coordinate separate contractors. Proper licensing also matters for permitting and for protecting your investment, since it signals the work meets state standards. If you ever want to verify the license directly, it's on file with the California State License Board.

Timelines depend heavily on scope. A single feature — a patio, a pergola, a focused planting project — might wrap up in a couple of weeks. A full outdoor build that combines masonry, carpentry, and landscaping across the whole property naturally runs longer, sometimes across several months, especially when hillside grading or extensive stonework is involved. Permitting, material lead times, and weather can all influence the schedule as well. Rather than guess, you'll get a realistic timeline built into your design plan, so you know what to expect before the work begins and aren't left wondering mid-project.

Yes. Every project is backed by a 2-year workmanship guarantee, which covers the quality of the build well past the day the crew finishes. That guarantee reflects a simple standard: the work should be done right the first time, and it should hold up. Because premium materials and current construction methods are used throughout, the aim is a finished landscape that lasts far longer than the warranty period itself. If something covered under the guarantee needs attention within that window, it gets addressed. The warranty is meant to give you real peace of mind about the investment you're making in your property.

The first step is a consultation, and it's an easy one. Reach out to set up an initial meeting, and the team will come look at your St. Helena property in person to understand the site and hear how you want to use it. You don't need a finished vision to begin — a rough sense of what you're after is plenty, and the design team will help shape it from there into a concrete plan. From that first conversation, everything else follows: the blueprint, the 3D visualizations, and eventually the build. Call (415) 535-4856 to get the process started.