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Business Details
50+ Years
experience
Expert Excavation Services in Bellingham WA
Founded in 1975, our company has built a strong reputation as a trusted provider of excavation and gravel services in Whatcom and Skagit Counties. Starting as a small gravel operation, we've grown into a full-service civil contracting business with 30 dedicated professionals. Our team utilizes the latest GPS and laser technologies to deliver precise excavation results for residential, commercial, agricultural, and industrial projects. As a family-owned business, now managed by the second generation of leadership, we prioritize personalized service and long-term relationships with our customers.

We maintain a modern fleet of equipment and operate from three convenient gravel pit locations in Lynden, Ferndale, and Blaine. Our commitment to safety is demonstrated through regular training and our inventory of certified trench safety equipment. With over four decades of local experience, we offer competitive estimates and a comprehensive approach that covers equipment, staffing, and project execution.
Services
Excavation Services Gravel Products Site Development Stormwater Drainage Septic Systems House Foundations Driveway Installation Land Clearing Truck Services
Details
  • Year established: 1975
Highlights and features
  • We offer over 45 years of local excavation experience in Whatcom County
  • Our services include site development, drainage solutions, and gravel products
  • We utilize modern GPS and laser equipment for precise results
  • Our team has grown to 30 experienced professionals in the industry
  • We maintain a modern fleet of production equipment for efficiency
What people say
Great service Friendly people Affordable prices Pleasant experience Same-day delivery
Services
Excavation Services
Our expert excavation services cover site development, fire line installations, stormwater drainage systems, septic installations, and utility work for residential and commercial projects. With over 45 years of local experience and modern GPS-guided equipment, we deliver precise results efficiently. Our team of skilled operators and project managers ensures every job meets specifications while maintaining safety standards throughout the excavation process.
Gravel Products
We offer a comprehensive selection of gravel products including crushed rock, pea gravel, sand varieties, fill materials, and specialty aggregates for construction and landscaping. With three local gravel pits and a fleet of delivery trucks, we ensure reliable supply and timely delivery for projects of all sizes. Our experienced staff helps customers select the right materials for their specific applications and budget requirements.
Stormwater Drainage
We specialize in stormwater management systems including drainage preparation, pond construction, and vault installations. Using modern equipment and techniques, we create effective drainage solutions that prevent water damage and comply with local regulations. Our experience with agricultural and commercial drainage projects ensures proper water management for long-term site stability and functionality.
Septic System Installation
We provide licensed septic system installations for residential and commercial properties. Our experienced team handles all aspects of septic installation including site evaluation, system design coordination, and excavation work. We follow strict safety protocols and local code requirements to ensure proper functionality and environmental compliance for durable septic solutions that meet project needs.
Driveway Installation
We offer complete driveway preparation and installation services using appropriate materials like pit-run gravel and finished crushed rock. Our team handles grading, base preparation, and material placement to create durable, well-draining driveways that withstand heavy use. With experience in both residential and commercial driveway projects, we ensure proper slope and compaction for long-lasting results.
People
Len Honcoop
Founder
Len Honcoop established Honcoop Gravel & Excavating in 1975, starting with just a wheel loader and Mack dump truck. As a dairy farmer looking for additional income, he identified an opportunity in earthmoving and drainage work that would benefit local agriculture. He spent decades working on agricultural projects throughout Whatcom County.
Jodi Tjoelker
Manager
Jodi Tjoelker, daughter of founder Len Honcoop, now oversees day-to-day operations at Honcoop Gravel & Excavating. She works alongside her husband Darren to manage the business, bringing continuity to the family-owned enterprise while ensuring operational excellence in excavation and gravel services delivery.
Darren Tjoelker
Co-Manager
Darren Tjoelker manages operations at Honcoop Gravel & Excavating alongside his wife Jodi. He previously founded Honcoop Trucking, LLC in 2002, focusing on long-haul transportation. His experience in transportation logistics complements the excavation and gravel business, enhancing equipment and material delivery capabilities across the region.
Tyler Bosman
Lead Estimator and Project Manager
Tyler Bosman joined the company in 2003 and has served as Lead Estimator and Project Manager since 2006. With nearly two decades of construction industry experience, he handles bidding and administration of construction projects while leveraging field experience to ensure accurate project layouts and cost estimates for clients.
Duane Vermeer
Scheduling/Dispatching
Duane Vermeer manages scheduling and dispatch operations at Honcoop Gravel & Excavating. He plays a critical role in coordinating equipment and personnel across multiple job sites, ensuring efficient service delivery and timely project completion while maintaining communication between field operations and office management.
Questions
What excavation services do you offer?
We provide site development, stormwater drainage, septic system installations, house foundations, driveway installation, land clearing, and utility work for residential, commercial, agricultural and industrial clients.
What gravel products are available?
We offer crushed rock in various sizes, pea gravel, sand, fill sand, pit-run gravel, drainrock, and quarry spalls for construction and landscaping projects.
Do you offer services beyond Lynden?
We serve all of Whatcom and Skagit Counties including Bellingham, Lynden, Ferndale, and Blaine areas with our excavation and gravel delivery services.
How experienced is your team?
With over 45 years of local experience and a team of 30 professionals, we combine generational knowledge with modern equipment and safety practices for reliable results.
Can you work within my budget?
We provide free estimates and work with any budget, using advanced tools to ensure our bids are complete and competitive while maintaining quality standards.
Do you provide gravel delivery?
Yes, with our six-truck fleet and ability to rent additional vehicles, we provide timely gravel delivery for projects of any size across Whatcom County.