Outstanding Service, Distinctive Results
Serving Guemes Island Since 2003
Mimnaugh Excavation, LLC has proudly served the Guemes Island community since 2003. As the only full-service excavation company on the island, we understand the specific needs of our clients and are dedicated to providing reliable, efficient, and environmentally responsible services.
Experienced Expertise in Septic Systems
When it comes to septic system installation, maintenance, and repair, Mimnaugh Excavation is your trusted partner. We have extensive experience designing, permitting, excavating, and installing new septic systems, and we also provide comprehensive maintenance plans to ensure optimal performance. Additionally, we offer skilled services for drain field installation and repair.
Beyond Septic Systems: Comprehensive Excavation Services
Our expertise extends beyond septic systems. We offer a wide range of excavation services, including trenching, grading, site preparation, and more.
Our Values
- Local Expertise: Our deep understanding of Guemes Island's unique soil conditions, regulations, and permitting processes ensures efficient and compliant service.
- Experienced Team: Our skilled and certified professionals have years of experience handling all types of excavation challenges.
- Reliable Service: We prioritize your needs and strive to minimize disruptions to your daily life.
- Competitive Pricing: We offer fair and competitive rates for all our services.
- Community Commitment: We are proud to be a part of the Guemes Island community and actively support local endeavors.
Partnering with Mimnaugh Excavation means
- Peace of mind knowing your septic system is in the hands of experienced professionals.
- Reliable and efficient service to minimize disruptions.
- Environmentally responsible practices for a sustainable future.
Contact us today to discuss your excavation or septic system needs and receive a free consultation. We look forward to working with you and helping you achieve your project goals on Guemes Island.

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