Frequently Asked Questions
Guidance from Gary Duff Designs
Decades of experience have taught us a few things. Here’s what most homeowners want to know before they begin.
Design & Process
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Every landscape design begins with a conversation. We start by learning about your home, lifestyle, and goals. From there, our design team develops concepts and plans that balance creativity with construction insight. Once approved, our family-led build team manages every phase—ensuring precision, clarity, and communication from start to finish.
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While most clients choose our full design-build approach, we also provide standalone design services for homeowners, architects, and builders who want the distinctive Gary Duff Designs touch.
Scope & Project Types
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Our work ranges from complete outdoor environments to focused enhancements—patios, pools, outdoor kitchens, lighting, plantings, fire features, and more. Each design is intentional, cohesive, and guided by the same standards that have defined our family for five decades.
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We take on select smaller projects when the design goals and fit are right. Whether it’s a compact patio, a garden renovation, or a new fire feature, every project receives the same care, creativity, and precision.
Experience & Expertise
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Legacy and integrity. For nearly 50 years, we’ve shaped how Long Island lives outdoors, designing with architecture, building with honesty, and treating every property like our own. When you choose the Gary Duff Design Experience, you work directly with the Duff family from concept through completion.
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Yes, after decades designing across Long Island’s diverse towns and coastal areas, we know every zoning law, code, and condition. Our team manages all details, so your project moves forward smoothly.
Investment & Financing
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Every project is custom. The investment depends on scope, materials, and complexity. During your consultation, we’ll outline clear options to match your goals, priorities, and property.
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Yes, we partner with HFS Financial to provide flexible landscape financing solutions, allowing you to complete your full project at once with fixed-rate payment plans and no prepayment penalties. Most clients receive funding within 48 hours of approval.
Long Island & Local Knowledge
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Yes, Long Island is our home and the heart of our work. From the wooded hills of Huntington to the coastal light of Sag Harbor, we’ve spent five decades mastering its architecture, climate, and communities.
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Every material, plant, and structure is chosen for the island’s unique conditions, salt air, humidity, and freeze-thaw cycles. Our local experience ensures that your landscape not only looks exceptional but endures beautifully.
Getting Started
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Simply call us at 631-737-4229 or fill out our contact form. We’ll schedule a time to walk your property, discuss your ideas, and begin shaping your outdoor living plan.
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The initial consultation is about understanding, not selling. We’ll listen to your goals, offer honest feedback, and guide you through the possibilities for your home and budget.
Enhancing The Quality Of Life Through Landscape Design
For five decades, the Duff family has been redefining outdoor living across Long Island, one purposeful, beautifully built space at a time.