Roseville · Placer County
Build an ADU in Roseville, CA
Roseville homeowners — find out in two minutes if your backyard qualifies for an ADU. Rentals, guest houses, in-law suites. Free written proposal within 24 hours.
Can I build an ADU on my property?
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Placer County rules at a glance
- • Up to 1,200 sqft for a detached ADU on most single-family lots.
- • Ministerial approval — no public hearing required for code-compliant ADUs.
- • Roseville's permit pipeline is typically faster than the City of Sacramento, which can shave weeks off your timeline.
- • One ADU plus one Junior ADU (JADU) is allowed on most single-family parcels under state law.
What Roseville homeowners build
Most Roseville projects we quote fall into three buckets: a 400–600 sqft detached studio or one-bedroom for rental income, a 750–1,200 sqft two-bedroom for aging parents or adult children, and garage conversions for owners who want the lowest-cost path to a permitted second unit.
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