Sitework subcontractor · the Greater Seattle area
Demo, excavation, and utilities — a sitework partner you can count on.
Northwood Siteworks helps builders and general contractors deliver single-family and townhouse projects across the Greater Seattle area — including demolition, foundation excavation, drainage, underground utilities, backfill, and grading.
Send us the plans and we'll put together a quote. No plans yet? Tell us what you need and we'll let you know if we can help.
What we do
Sitework sets the job in motion
We are one of the first major subcontractors on a new build. Good sitework gives the foundation crew—and the schedule behind it—a solid start.
Demolition & Site Preparation
Clearing the lot and getting it ready to build on.
- Existing structure demolition
- Haul-off and site clearing
- Construction entrance
- Initial site preparation
Foundation Excavation
Cutting the site to plan and digging the foundation, ready for the foundation contractor.
- Cut and excavation to plan
- Foundation digging
- Excavated material handling
Drainage, Utilities & Site Completion
Our underground capabilities include storm and sewer, water service, and trenching and conduit for gas, electrical, and communications — along with foundation backfill and final grading.
- Footing and roof drains
- Onsite storm drainage systems
- Sewer connections and new side sewers
- Water service lines
- Trenching and conduit for gas, electrical, and communications
- Foundation backfill
- Final grading
Why Northwood
What builders can expect
Good sitework is not just about moving dirt. It is about understanding the full scope, communicating clearly when conditions change, and leaving each phase ready for the work that follows.
We understand the whole sitework scope
We look at demolition, excavation, drainage, utilities, backfill, and grading as connected parts of the same project. That helps us spot scope gaps early and understand how today's work affects what comes next.
Clear communication when conditions change
Sitework does not always go exactly as the plans suggest. When field conditions change, we explain what we found, what it affects, and what decision is needed—before the issue becomes a bigger problem.
Ready for the next phase
We pay attention to the handoff: the excavation is ready for the foundation contractor, underground work is ready for inspection and backfill, and grading is completed for the next phase of the build.
Project Types
Residential new construction
We work for builders and general contractors — not homeowners.
Single-family homes
New construction on infill and short-plat lots.
Townhouses
Multi-unit townhouse projects, from the initial teardown through utility service.
Bidding a residential project?
Send us the address and a brief description of the work. If plans are available, include them.