Business Details
41 Years
experience
Award-Winning Landscape Construction & Design Services in Issaquah, WA
D M Ohashi Landscape Services is a premier landscape contractor with over four decades of experience in custom residential and commercial landscape construction. Founded on a commitment to excellence and artistic craftsmanship, our award-winning team collaborates directly with clients and architects to deliver tailored solutions that exceed expectations. We prioritize sustainable practices, including organic treatments and stewardship, while maintaining a focus on precision and innovation.Our comprehensive services include design, construction, estate maintenance, and specimen tree sourcing, supported by specialized equipment and skilled subcontractors. For over 40 years, we've built lasting relationships through transparency, integrity, and a dedication to quality that has become the standard of our work ethic.
Services
Landscape Construction
Estate Maintenance
Organic Program
Specimen Trees
Mobile Maintenance
Details
- Year established: 1985
Highlights and features
- We offer 40+ years of expertise in custom landscape construction.
- Our team collaborates with top architects and designers regionally.
- We utilize specialized equipment for complex projects across the Northwest.
- We maintain a commitment to excellence established over generations.
- Our organic programs protect landscape investments sustainably.
What people say
Award-winning landscapes
Skilled craftsmanship
Timely professional service
Exceptional organic programs
Strong client relationships
Services
Landscape Construction
D M Ohashi Landscape Services creates tailored outdoor environments with hardscape, water features, and plantings. Our team collaborates with architects during early project phases, ensuring seamless integration of design elements. Specialized equipment and experienced subcontractors allow execution of complex projects up to 40 years of continuous quality.
Estate Gardener Program
This personalized service protects landscape investments through scheduled care. Certified gardeners perform pruning, fertilization, and seasonal preparation while monitoring plant health. Combined with mobile maintenance, it offers consistency and expertise for long-term vitality of residential and commercial properties.
Organic Program
Our organic treatments prioritize safe, nutrient-rich solutions for plant growth and longevity. By avoiding synthetic chemicals, we enhance soil health and ecosystem balance while maintaining aesthetic appeal. This approach supports environmental stewardship aligned with client values.
Specimen Trees
Ohashi Specimen Trees offers mature plants, airspade services, and transplantation expertise. With acres of irrigated inventory, we source unique focal points for landscapes. Services include installation, salvage, and brokerage for both residential and professional clients.
Mobile Maintenance
Recurring services like lawn care, hardscape cleaning, and seasonal adjustments ensure landscape longevity. Our team uses specialized equipment for efficient upkeep across Northwest properties, maintaining consistency with scheduled visits.
People
David M Ohashi
Founder
David M Ohashi is an award-winning landscape designer with over 40 years in the industry. His vision combines artistic creativity with technical precision, establishing D M Ohashi Landscape Services as a regional leader in custom landscape solutions.
Questions
What areas do you serve?
We serve the Pacific Northwest, including Washington state and select out-of-town projects.
What services do you offer?
We provide landscape construction, estate maintenance, specimen tree services, organic programs, and mobile maintenance.
How long have you been in business?
Ohashi Landscape Services has operated for over 40 years since its founding in 1985.
Can you work with my architect?
Yes, we collaborate with local and regional architects from project inception to completion.
Do you offer organic maintenance options?
Yes, our organic program provides eco-friendly fertilization and nutrient monitoring for sustainable landscapes.
