BEBuild Eastside

Free Sammamish homeowner guides

Plan your Sammamish project with fewer surprises.

Sammamish rules for house size, paved areas, placement, height, and trees.

Best first read

Begin with the parcel's zoning and base dimensions.

Compare Sammamish R-1 through R-18 FAR, hardscape, setbacks, height, size-tiered yards, and garage treatment.

Sammamish zoning and setbacksCompare the base rules and official sources →

Property & site

Property & site

See what may fit on the lot and what property issues need a closer look.

Sammamish ADU and DADU rulesSammamish ADU and DADU guide

Current Sammamish ADU rules for two units, size, FAR exemption, zone setbacks, 24- or 35-foot height, parking, trees, drainage, and permit guidance.

Read ADU guide
Sammamish zoning and setbacksSammamish residential zoning and setbacks

Compare Sammamish R-1 through R-18 FAR, hardscape, setbacks, height, size-tiered yards, and garage treatment.

Read guide

Permit process

Permit process

Understand what to prepare, what the city reviews, and who responds to corrections.

Sammamish permit typesThe different types of permits in Sammamish

Understand the main Sammamish permit families, when several approvals may be needed, and where to find the official requirements.

Compare permit types

Costs & timing

Costs & timing

Use city targets and real permit data to plan a more realistic schedule and budget.

Sammamish permit timelinesHow long permits take in Sammamish

Use Sammamish's published targets or observed results where available, with clear notes about what the numbers include.

See timing guide

Useful across the Eastside

Guides for decisions every homeowner faces.

These explain common terms and choices. Your city's rules still control what is allowed on the property.

When do you need an architect?Compare Eastside requirements and learn when an engineer or architect is the right call.Where to find house plans by jurisdictionFind approved floor plans, permit drawings, and site records in Seattle, Eastside cities, and unincorporated King County.Before hiring a custom-home architect: what homeowners should prepareCreate an architect interview packet with a property screen, ownership-horizon strategy, homeowner brief, budget, title and HOA records, and a clear responsibility matrix.Structural choices that matter in a custom homeThe structural decisions worth resolving early in a custom-home design, before they turn into redesign, permit revisions, and expensive field changes.FAR, lot coverage, and impervious surfaceUnderstand the capacity and site terms in a preliminary property feasibility study, with simple examples.