BEBuild Eastside

Free Issaquah homeowner guides

Plan your Issaquah project with fewer surprises.

Issaquah rules for house size, paved areas, height, trees, and adding more than one home.

Best first read

Begin with the parcel's zoning and base dimensions.

Compare Issaquah C-Res, SF-E, SF-S, SF-SL, and SF-D setbacks, height, lot dimensions, and impervious-surface limits.

Issaquah 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.

Issaquah ADU and DADU rulesIssaquah ADU and DADU guide

Current Issaquah ADU and DADU rules for unit count, 1,000-square-foot limits, height, alleys, parking, utilities, self-certification, and site constraints.

Read ADU guide
Issaquah zoning and setbacksIssaquah residential zoning and setbacks

Compare Issaquah C-Res, SF-E, SF-S, SF-SL, and SF-D setbacks, height, lot dimensions, and impervious-surface limits.

Read guide

Permit process

Permit process

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

Issaquah permit typesThe different types of permits in Issaquah

Understand the main Issaquah 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.

Issaquah permit timelinesHow long permits take in Issaquah

Use Issaquah'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.