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.

Use the official Sammamish zoning map, then compare R-1 through R-18 setbacks, FAR, hardscape, height, size tiers, and garage rules.

Sammamish zoning and setbacksCompare the base rules and official sources →

Still choosing where to build?

Compare Sammamish with other Eastside cities.

See the differences that matter for a custom home before choosing a lot.

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 zoning map and residential setbacks

Use the official Sammamish zoning map, then compare R-1 through R-18 setbacks, FAR, hardscape, height, size tiers, and garage rules.

Read guide →

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

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.

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