How Much Does an ADU Cost in Orangevale?
Updated June 12, 2026 · Upside ADU
Quick answer
A detached ADU in Orangevale costs about $125,000–$432,000 turnkey in 2026, or roughly $250–$360 per square foot (design, permits, and construction included). A 750 sq ft 2-bedroom unit averages $187,500–$270,000; garage conversions and Junior ADUs cost less. Orangevale build costs track the central-Sacramento baseline closely — the price differences you'll see come from your lot and finish level, not the city.
What does each ADU type cost in Orangevale?
Price is driven first by type, because type decides how much new structure you build. The ranges below are Orangevale-specific for 2026 — the regional market adjusted for this submarket's baseline build costs.
Orangevale ADU cost by type — 2026 turnkey ranges
| ADU type | Typical size | $ / sq ft | Turnkey range |
|---|---|---|---|
| Detached ADU | 500–1200 sq ft | $250–$360 | $125,000–$432,000 |
| Garage Conversion ADU | 380–620 sq ft | $180–$280 | $68,400–$173,600 |
| Attached ADU | 450–850 sq ft | $240–$340 | $108,000–$289,000 |
| Junior ADU (JADU) | 220–500 sq ft | $200–$320 | $44,000–$160,000 |
| Multigenerational ADU | 600–1200 sq ft | $250–$370 | $150,000–$444,000 |
See also:Upside's published pricing · ADU builder in Orangevale
What does an ADU cost per square foot in Orangevale?
Smaller units cost more per foot — fixed costs like a kitchen, bath, utility hookup, and permit spread across fewer square feet. Here is a detached build at Orangevale pricing.
Orangevale detached ADU cost by size (2026)
| Size | Typical config | $ / sq ft | Estimated turnkey |
|---|---|---|---|
| 400 sq ft | Studio / JADU | $250–$360 | $100,000–$144,000 |
| 600 sq ft | 1 bedroom | $250–$360 | $150,000–$216,000 |
| 750 sq ft | 2 bedroom | $250–$360 | $187,500–$270,000 |
| 1000 sq ft | 2–3 bedroom | $250–$360 | $250,000–$360,000 |
What drives ADU cost up or down in Orangevale?
Orangevale build costs track the central-Sacramento baseline closely — the price differences you'll see come from your lot and finish level, not the city.
Orangevale lots: Deep, low-density lots suit larger detached ADUs and workshop-with-living-space builds set well back from the street.
Local permitting: Because Orangevale is unincorporated, the County Building Permits & Inspection Division reviews ADUs here rather than a city counter. The deep semi-rural lots clear the 4 ft setbacks with room to spare; the variable to watch is septic, since many parcels run on it and tank capacity shapes both siting and cost.
The single biggest cost lever is size: keeping a unit under 750 sq ft exempts it from local impact fees. Site conditions (slope, soil, utility runs) and finish level move the rest.
Know your Orangevale budget — get an exact, all-in number for your lot.
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What will an ADU in Orangevale rent for, and when does it pay back?
A typical Orangevale ADU rents for $1,500–$2,500 a month in 2026. Roomy lots and solid rents make Orangevale a strong value play — income-focused owners get a low cost-per-rental-dollar building near the 750 sq ft fee-exempt threshold. Run your specific numbers with the calculator below, or see the full payback math in the ROI guide.
Tools & guides:ADU cost calculator · ROI & rent estimator · ADU rental income & ROI guide
How Orangevale ADU cost compares across the region
Orangevale sits in the Sacramento County market. The regional baseline is central Sacramento; foothill and estate submarkets (El Dorado Hills, Granite Bay, Folsom) run highest, while Galt, Woodland, and Citrus Heights run lowest. For the full regional cost breakdown and methodology, see our Sacramento ADU cost guide, or compare every city on the ADU cost by city index.
Figures are 2026 Orangevale-area market estimates, not a fixed quote. Your exact price depends on your lot, design, and finish level — we confirm it with a free feasibility check.
Sources & references
- Accessory Dwelling Units — official guidance — California Dept. of Housing & Community Development (HCD)
- Sacramento County Building Permits & Inspection Division — permits & fees — Sacramento County Building Permits & Inspection Division