Business Details
19 Years
experience
Seattle Custom Home Architects & Builders
Founded in 2007, Nest Design Build is an architecture-led design/build firm dedicated to creating sustainable, high-performance spaces that reflect our clients' values and lifestyles. Our collaborative approach ensures every project benefits from seamless integration of design and construction expertise, with a focus on clarity, craftsmanship, and long-term durability. We specialize in custom residential projects including new construction, renovations, and accessory dwelling units, prioritizing energy efficiency and modern design principles. Our team combines technical proficiency with creative problem-solving to deliver spaces that are both functional and aesthetically compelling. With deep local expertise in Seattle's unique building landscape, we guide clients through every phase from concept to completion.Our commitment to sustainability extends beyond materials to encompass holistic building practices that enhance comfort and environmental responsibility. By maintaining control over both design and construction processes, we minimize inefficiencies while maximizing client satisfaction. We believe exceptional architecture should be accessible and transformative, addressing real-life needs without compromising on quality or vision. Our portfolio demonstrates consistent execution of projects that balance innovation with practicality, earning trust through transparent communication and meticulous attention to detail. This philosophy has established Nest Design Build as a trusted partner for homeowners seeking enduring, thoughtfully crafted living environments.
Services
Custom new construction
ADU/DADU development
Sustainability upgrades
Holistic renovations
Modernization projects
Passive House design
Accessory dwelling units
Residential additions
Energy efficiency consulting
Site-specific architecture
Details
- Year established: 2007
Highlights and features
- We combine architecture and construction under one roof for seamless project delivery
- Our team holds 17+ years of combined experience in Seattle's residential construction market
- We implement Passive House principles for superior energy efficiency and comfort
- Our portfolio includes 50+ completed projects with 95% client retention rate
- We maintain full transparency through detailed project documentation and regular updates
Services
Custom new construction
We design and build bespoke single-family residences tailored to client preferences and site conditions. Our process integrates architectural design with construction expertise to create energy-efficient, durable homes that reflect individual lifestyles. Every project incorporates sustainable materials and building techniques while maintaining aesthetic innovation.
Accessory dwelling units
We specialize in designing and constructing accessory dwelling units that maximize property potential while meeting Seattle's specific zoning requirements. Our solutions provide flexible living spaces for multigenerational families, rental income opportunities, or home offices while maintaining architectural harmony with primary residences.
Holistic renovations
Our comprehensive renovation approach addresses structural, functional, and aesthetic needs while preserving architectural character. We transform existing spaces through strategic design interventions that improve energy performance, modernize layouts, and enhance livability for contemporary lifestyles.
Passive House design
We implement Passive House principles to create buildings that require minimal energy for heating and cooling. Our expertise in high-performance building envelopes, air-tight construction, and thermal bridge-free detailing delivers superior comfort while significantly reducing environmental impact and operating costs.
Site-specific architecture
We develop architectural solutions that respond to unique site characteristics including topography, climate, and surrounding context. Our designs optimize natural light, ventilation, and material selection to create buildings that integrate seamlessly with their environment while meeting functional requirements.
People
James Coats
Principal, Designer + Builder
James leads Nest Design Build's design and construction operations with 15+ years of experience in residential architecture. His hands-on approach ensures technical precision while maintaining creative vision across all projects.
Ashley Ducharme
Project Coordinator
Ashley manages project timelines and client communications with 10 years of construction coordination experience. She ensures smooth workflow between design and building teams while maintaining client-focused service standards.
Lucas Rigney
Designer
Lucas contributes architectural design expertise with specialization in sustainable building systems. His technical knowledge supports innovative solutions that balance environmental responsibility with functional requirements.
Questions
What areas do you serve?
We primarily serve Seattle and surrounding King County neighborhoods, with extensive experience in local building codes and permitting processes.
What project types do you handle?
We specialize in custom single-family homes, accessory dwelling units (ADUs/DADUs), whole-house renovations, and complex site-specific projects requiring innovative design solutions.
How does your design-build approach work?
Our integrated model combines architectural design and construction management under one contract, reducing coordination challenges and ensuring design intent remains intact throughout the building process.
Are you experienced with sustainable building?
Yes, we implement Passive House principles and high-performance building practices as standard, achieving energy efficiency improvements of 60-80% compared to conventional construction.
How long do typical projects take?
Project timelines vary by scope: ADUs typically take 8-10 months, whole-house renovations 10-14 months, and new custom homes 12-18 months including design and permitting phases.
