Excavation Services

Efficient & Effective Excavating Services


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Excavation & Earthwork

Commercial & Residential

Rainstate Earthworks provides a wide variety of earthwork services throughout the Seattle area. From site preparation to site development, we can take care of all of the heavy work needed on your commercial or residential property.

Our complete earthwork services include excavation, trenching, sub grade prep, soils stabilization, site clearing, backfill, soil compaction, grading, road work and more. If you need land clearing and site preparation with reliable and professional expertise, bring in the experts at Rainstate Earthwork. We are qualified to handle any site development or excavating job.

We offer a wide variety of services that includes:

  • Site Clearing
  • Excavation
  • Trenching
  • Sub Grade Prep
  • Soils Stabilization
  • Backfill
  • Soil Compaction
  • Grading
  • Road Work

Underground Utilities

Commercial & Residential
Whether you are extending water lines or installing a septic tank, Rainstate Earthworks experienced team of utility experts can get the job done efficiently and safely. Careless digging can damage underground utilities, causing property damage and termination of services. Worse, it can cause injury. Since excavation damage is the leading cause of serious natural gas pipeline incidents, it’s crucial you choose reliable experts who take the proper steps to avoid damage and prevent expensive repairs and project delays.

Rainstate Earthworks is an industry leader in underground utility construction and maintenance. We work directly with clients and builders on all types of commercial and residential properties. Relying on detailed blueprints and following all applicable industry guidelines and permits, we complete the job on time with excellent workmanship.

We offer a wide variety of services that includes:

  • Water Main Extension
  • Sewer Line Extension
  • Storm Drain
  • Septic Systems
  • Individual Residential Lines

Sewer Line Extension

Sewer excavation is not a task for just anyone – it’s a complex process that requires significant expertise in equipment handling, sewer line safety protocols, and much more. With a fatality rate 112% higher than that of general construction, excavation work should be left to the pros and planned ahead. At Rainstate Earthwork, we’re a local Washington excavation company with years of sewer excavation, replacement, installation, and repair experience. We will:

  • Evaluate and inspect soil for excavation and sewer line placement
  • Locate underground utilities such as natural gas lines
  • Test for low oxygen, hazardous fumes, and toxic gases in the excavation area
  • Construct adequate systems with safety in mind

Sewer excavation and installation should never be a DIY project – give us a call if your property is in needed of a sewer line extension. If you’re not sure where to start, we can help!

Septic Systems

With many years of experience in septic installation, septic repair, and septic replacement, we know how to find solutions to every septic need you may have. Whether you are a homeowner or run a business in Seattle, we can evaluate your septic system requirements, engineer, and design the best system, and provide complete oversight during the entire process.

Contact us before beginning your project! Replacing septic systems can cost tens of thousands of dollars, but with the right experts, you can stop your septic system from failing before it starts.


Commercial & Residential
When you need an existing building or structure removed, look no further than Rainstate Earthworks. We specialize in structure removal, site clearing, and other demolition-related needs for commercial and residential property.

We prioritize safety. Demolition sites can be hazardous areas for both employees and residents in the surrounding area. That’s why we take special precautions to ensure maximum safety. By adhering to all Occupational Safety and Health Administration (OSHA) requirements, we ensure employees and the community members know what to expect at the beginning of each workday. With proper planning and meticulous focus, we deliver timely project completion within a safe demolition site.

Residential Structures

Rainstate Earthworks is the leading innovator in residential demolition, providing professional residential demolition services for all types of residential properties: single-family homes, apartments, and condominiums. Having worked with individual homeowners, general contractors, and developers, Rainstate Earthworks has become a well-respected company with extensive knowledge and insights particular to that of residential units.

Commercial Structures

No job is too big for Rainstate Earthworks. Our state of the art equipment and experienced team can quickly, safely, and effectively demolish any commercial or industrial building. Whether it’s a full-blown building implosion or a partial demolition, you can trust our team to deliver.