Placer County, California
ADU Builder in Roseville
Upside ADU is a Roseville ADU builder serving all of Placer County. We design, permit, and build all 5 ADU types — detached, garage conversion, attached, junior, and multigenerational — for a $1,000 deposit, with transparent fixed pricing. Permits run through the City of Roseville Development Services, which we handle end to end.
Your Roseville ADU builder — from design to move-in
Top-rated schools and high owner-occupancy make Roseville ADUs strong for multigenerational living and premium long-term rentals.
We build every type of ADU in Roseville with one transparent, all-in price and a $1,000 deposit — the California legal maximum — then tie the rest of your payments to inspection-passed milestones so money only moves when verified work is done. When it's ready to rent, we'll connect you with a trusted local property manager.
Roseville lots: West Roseville and Fiddyment Farm offer newer large lots, while Diamond Oaks and central Roseville have established trees and tighter rear yards that we site around.
Popular Roseville areas: West Roseville, Fiddyment Farm, Diamond Oaks, Sun City, Highland Reserve.
- $1,000 deposit — the CA legal max
- Inspection-tied milestone payments
- All 5 ADU types built here
- Property-manager referral when you rent
Roseville ADU rules & limits
Roseville reviews ADUs at its own Development Services counter under Placer County rules — a different submittal path than the City of Sacramento. Expect 4 ft side/rear setbacks, a 16 ft height limit, and HOA architectural review in master-planned tracts like Fiddyment Farm and Sun City.
Statewide, every Roseville ADU under 750 sq ft is exempt from impact fees, detached units can reach 1,200 sq ft, and no replacement parking is required when you convert a garage. For the full Placer County rulebook — setbacks, height, and owner-occupancy by ADU type — see our Sacramento-region ADU rules & setbacks guide.
ADU services in Roseville
Roseville ADU cost & ROI
Roseville ADUs run about $135,000–$466,560 all-in in 2026, and a typical unit rents for $1,800–$2,900 a month. Top-rated schools and high owner-occupancy push Roseville toward premium long-term rentals and multigenerational use; value-lift at resale is among the strongest in Placer County.
See the full Roseville ADU cost breakdown by type and size, run your own numbers with the ADU cost calculator, or see the full payback and rent-comp math in our ADU rental income & ROI guide.
Estimate your ADU
Ballpark 2026 turnkey cost, financing, and rental return for your area.
Estimated turnkey cost
$270–$389 / sq ft · incl. design, permits & construction
Estimates only — 2026 regional ranges, not a bid. Your real price depends on site conditions, finishes, and your lot. We confirm with a free feasibility check.
Permitting & timeline in Roseville
Roseville ADU permits are issued by the City of Roseville Development Services (Placer County). California law requires a decision within 60 days of a complete submittal, and pre-approved plan sets can shorten review to about 30 days. We prepare the full package, pull the permit, and manage every inspection so you never stand in line at a counter.
Plan on roughly 6–9 months end to end for a detached build: about 2–6 weeks of design, 4–10 weeks of permitting, and 12–16 weeks of construction. Garage conversions and junior ADUs move faster.
The Upside Guarantee
Your money is protected at every step
Sacramento homeowners were burned by builders who took huge deposits and vanished. We built Upside to be the opposite — structured so you're protected before, during, and after the build.
$1,000 down — the legal maximum
California caps a contractor's down payment at $1,000 or 10% of the contract — whichever is less. On an ADU that's $1,000, not the 30–50% other builders demanded. Everything after is earned.
Inspection-tied milestone draws
After the deposit you pay in defined draws — design, permit, foundation, framing, MEP, drywall, completion — each released only after that phase passes inspection.
Honest capacity & timelines
We only take on work we can actually deliver, with realistic schedules and references to completed local projects you can visit.
ADU projects in Roseville
The Roseville wrinkle is two reviews running in parallel: the city's Development Services plan check and the HOA's architectural committee in tracts like Fiddyment Farm and Highland Reserve. Diamond Oaks and older central lots skip the HOA step, so siting there is simpler. Every build is fixed-price, inspection-milestone funded, and backed by our written guarantee.
See completed builds, specs, and before-and-after photos in our Sacramento-region ADU project gallery.
ADUs in Roseville — FAQs
Most Roseville ADUs cost $135,000–$466,560 in 2026 depending on size and type, or roughly $270–$389 per square foot. A 750 sq ft detached unit runs about $202,500–$291,600 turnkey, with design, permits, and construction included.
Roseville ADU permits run through the City of Roseville Development Services. Roseville reviews ADUs at its own Development Services counter under Placer County rules — a different submittal path than the City of Sacramento. Expect 4 ft side/rear setbacks, a 16 ft height limit, and HOA architectural review in master-planned tracts like Fiddyment Farm and Sun City.
A typical Roseville ADU rents for about $1,800–$2,900 a month in 2026, with detached and larger units at the top of that range. Top-rated schools and high owner-occupancy push Roseville toward premium long-term rentals and multigenerational use; value-lift at resale is among the strongest in Placer County.
We're an ADU builder, not a property manager — but once it's built we'll connect you with vetted Placer County property managers we trust to lease and run it for you. Plenty of owners self-manage instead.
Nearby service areas
Popular ADU models
Costs & rules in Roseville
Start your Roseville ADU
Get a transparent quote and a free feasibility check for your Roseville lot.