ADU Cost Calculator Answer a few questions about your project to get an estimated project range. Step 1 of 4The ADU Approximate size250–1,200 SF BedroomsStudio1 bedroom2 bedrooms3 bedrooms Bathrooms1 x 3/4 bath1 x full bath1-1/2 baths1 full + 1 x 3/42 full baths2-1/2 baths Finish / design levelSimple + efficientDesign-forwardCustom Next Step 2 of 4The Site Site slopeFlatModerateSteep / complicatedNot sure Construction accessGood equipment accessLimited / small equipmentRestricted / mostly hand workNot sure WastewaterPublic sewerSepticNot sure Approx. utility distance50' or less51–75'76–100'101–150'More than 150'Not sure Known site constraints?NoYes — trees, wetlands, streams, steep areas, etc.Not sure Project statusI own the propertyUnder contractShopping for propertyResearching BackNext Step 3 of 4Your Information First name Last name Email Phone (optional) Property address (optional) Your information and project selections may be used by Emerald State Contracting to follow up about your ADU project. BackSee My Estimate Your estimateADU Project Estimate Construction Design, Engineering & Permitting Sales Tax Total Project This is an early planning estimate, not a proposal or bid. Landscaping, substantial decks or porches, retaining walls, unusual excavation or shoring, critical-area mitigation, major utility upgrades, septic system construction or modification, and other unusual site conditions are not included unless specifically accounted for by the calculator. Final pricing depends on property conditions, jurisdiction requirements, completed plans and material selections. Want to know what will actually work on your property?A property-specific feasibility review is the next step. Start Over
