Custom Home Builders Tacoma, WA
Infinity Construction GC LLC provides custom home building services for homeowners planning ground-up residential construction in Sammamish, Washington. As Sammamish custom home builders, we specialize in structurally sound, code-compliant homes built for residential environments where permitting, inspections, and execution discipline directly affect project success.
We build custom homes throughout Sammamish and the surrounding Eastside, working with homeowners, architects, and design teams who need a builder capable of managing structure, sequencing, and long-term performance—not just finishes.
Our Custom Home Building Services
Full Custom Home Construction
Complete management and execution of custom home projects, including coordination of trades, scheduling, inspections, and quality control.
Pre-Construction & Planning Support
We assist with early-stage planning to reduce risk later in the build. Plan and scope review, Constructability input, Timeline and sequencing alignment & Permit-readiness preparation.
Structural Execution & Oversight
We manage framing, structural systems, and build sequencing with inspection requirements in mind from day one.
Trade Coordination & Scheduling
We coordinate trades to maintain progress, reduce delays, and prevent rework.
Inspection & Code Compliance Management
Sammamish inspections are detail-oriented and strictly enforced. We build to pass—without last-minute corrections.
Why Homeowners Choose Infinity Construction GC LLC
-
Structural Expertise
We come from structural construction. That experience directly impacts build quality, accuracy, and long-term performance. -
Code-Aware Execution
Sammamish and Washington State codes are not optional. We build to meet them consistently and correctly. -
Hands-On Oversight
Your project is overseen by professionals who understand construction details—not passed down a chain of project managers. -
Clear Communication
Accurate estimates, realistic timelines, and direct answers throughout the build. -
Local Accountability
We work throughout the Eastside and South Puget Sound. Our reputation depends on long-term performance, not short-term wins.
What We Build
Custom Residential Construction
We build one-of-a-kind homes tailored to the site, plans, and long-term goals of the homeowner—not pre-set templates or production layouts.
- Ground-up custom home construction
- Large-lot suburban residential builds
- Architect-designed homes
- Site-specific structural solutions
Structural-First Home Building
Our background in framing and structural construction informs every phase of the build.
- Foundations and structural systems
- Load-bearing assemblies and framing
- Roof systems and complex layouts
- Long-term durability and code compliance
Additions & Major Rebuilds
For properties requiring partial teardown or significant structural expansion.
- Major home additions
- Structural rebuilds
- Load-bearing modifications
- Integration with existing structures
Our Custom Home Building Process
01
Plan & Feasibility Review
We review architectural plans, site conditions, and structural requirements to identify complexity early.
02
Pre-Construction Coordination
Permitting strategy, sequencing, and scheduling are aligned before construction begins.
03
Structural Construction
Foundations, framing, and load-bearing systems are executed with precision and code compliance.
04
Build-Out & Trade Coordination
We manage trades, inspections, and quality control through each phase of construction.
05
Final Inspections & Completion
We complete the project with inspection approval, documentation, and clean turnover.
Request a Custom Home Building Consultation
If you’re planning a custom home in Sammamish and need a builder who understands structure, permits, inspections, and execution—not just design—Infinity Construction GC LLC is ready to help.
We work with homeowners who value accuracy, accountability, and long-term performance.
Request a consultation today to discuss your custom home project.
What Sammamish Custom Home Builders Must Navigate
Building a custom home in Sammamish requires navigating zoning controls, critical area regulations, and an inspection-heavy permitting environment. Understanding how these systems interact is critical to avoiding delays, redesigns, and inspection failures mid-project.
Infinity Construction GC LLC builds with direct awareness of the agencies and requirements that control residential construction in Sammamish, including:
City of Sammamish Community Development Department
This department oversees zoning, permitting, plan review, and inspections for residential construction within Sammamish city limits. Custom homes commonly require coordination across multiple review areas, including:
- Zoning and land-use compliance
- Structural and seismic review
- Stormwater and drainage requirements
- Critical areas and environmental review
- Energy code compliance
Washington State Building Code Requirements
All custom homes in Sammamish must comply with Washington State–adopted building codes, including structural, seismic, energy, and life-safety provisions.
These codes directly affect:
- Structural framing requirements
- Shear wall placement and fastening schedules
- Foundation and lateral load design
- Moisture and weather-resistive detailing
Builders unfamiliar with Sammamish’s enforcement standards often underestimate scope, cost, and construction sequencing.
Seismic, Moisture & Site Design Reality in Sammamish
Sammamish features rolling terrain, proximity to lakes and wetlands, and prolonged seasonal moisture exposure—combined with Western Washington seismic requirements.
As a result, custom homes must be built with:
- Enhanced lateral load paths
- Proper shear wall and bracing continuity
- Moisture-resistant detailing during construction—not just at completion
- Careful grading and drainage planning
- Inspection-ready framing and fastening visibility
These requirements are routinely enforced during inspection phases.
Why This Matters to Homeowners
Custom home projects in Sammamish most often fail due to:
- Incomplete or non-buildable plan submittals
- Underestimating environmental or critical-area review
- Structural revisions triggered after framing
- Drainage or moisture issues introduced during construction sequencing
Infinity Construction GC LLC plans and builds with these constraints accounted for before construction begins, reducing delays, redesigns, and costly mid-project corrections.
Sammamish Custom Home Builders by Neighborhood
Infinity Construction GC LLC works on custom home projects throughout Sammamish, including neighborhoods where zoning, lot size, and environmental constraints vary.
We regularly build in areas such as:
- Sahalee
- Trossachs
- Klahanie
- Pine Lake
- Inglewood Hill
- Beaver Lake
Each neighborhood presents different challenges related to slope, setbacks, utilities, and permitting. Our experience building within Sammamish’s residential zones allows us to plan and execute accordingly—without surprises mid-build.
Get a Free Estimate
Whether you’re starting a new build or need structural framing support, Infinity Construction GC LLC delivers results that hold up.
Sammamish looks simple until it isn’t. Large lots, slopes, and tree cover give a false sense of flexibility, but the city enforces grading, drainage, and tree retention tightly — especially near critical areas. Septic systems, private utilities, and stormwater infiltration often drive the design more than architecture does. If your plans assume suburban simplicity, Sammamish will expose the gaps fast.
Before civil engineering is finalized. In Sammamish, site work decisions — driveway length, grading strategy, stormwater layout, septic placement — dictate cost and feasibility long before framing begins. Architects frequently design homes that technically fit the code but ignore how they’ll actually be built on wooded or sloped parcels. Early builder involvement prevents expensive rework once these constraints become unavoidable.
Misjudging site complexity. Projects stall when clearing limits, erosion control, or septic approvals weren’t fully coordinated up front. Once construction starts, inspections are detail-driven and corrections often require revisiting work that should’ve been resolved in design. The projects that move smoothly are led by teams who treat site planning as the primary risk — not an afterthought.