West Sacramento, CA · Yolo County
Detached ADU in West Sacramento
Upside ADU builds detached adus in West Sacramento, Yolo County, for a $1,000 deposit with transparent fixed pricing and inspection-tied payments. A typical West Sacramento detached adu runs $125,000–$432,000 all-in, and we permit it through the City of West Sacramento Community Development Department end to end.
West Sacramento rules that affect a detached adu
West Sacramento's mix of lots leaves room for a standalone backyard unit with its own entrance, kitchen, and bath — the highest-value, most-rentable ADU type. The City of West Sacramento Community Development Department reviews detached builds on the standard 60-day clock.
Local permitting: West Sacramento sits in Yolo County and permits through its own Community Development Department — a separate process from the City of Sacramento across the river. Standard 4 ft setbacks and 16 ft height apply; older Broderick lots often have detached garages well suited to conversion.
That's the detached adu-specific picture. For the full Yolo County rulebook — every setback, height, and owner-occupancy detail — see our Sacramento-region ADU rules guide, and learn how the build type works statewide on our detached adu page.
Why West Sacramento homeowners pick Upside
- $1,000 deposit — the CA legal max
- Inspection-tied milestone payments
- We know the City of West Sacramento Community Development Department process
- Transparent, all-in West Sacramento pricing
- Property-manager referral when you rent
West Sacramento detached adu cost snapshot
A fully independent dwelling in your backyard with its own entrance, kitchen, and bath. Detached ADUs add the most property value and command the highest rents of any ADU type. In the Yolo County market that prices out to about $250–$360 per square foot, or $125,000–$432,000 for a finished, permitted unit. A typical West Sacramento detached adu rents for $1,600–$2,700 a month.
| Size | Typical use | West Sacramento all-in cost (2026) |
|---|---|---|
| 500 sq ft | Studio / 1-bed, max cash-on-cash | $125,000–$180,000 |
| 850 sq ft | 1–2 bed, most popular | $212,500–$306,000 |
| 1200 sq ft | 2–3 bed / multigen, max value | $300,000–$432,000 |
Dial in your own number with the ADU cost calculator.
Estimate your ADU
Ballpark 2026 turnkey cost, financing, and rental return for your area.
Estimated turnkey cost
$250–$360 / 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.
Detached ADU projects in West Sacramento
West Sacramento splits cleanly: Broderick's older grid is conversion territory, with detached garages that come up to code as living space, while Southport's newer lots take a ground-up backyard build. Both run through Yolo County's process, not the city across the river. Every detached adu is fixed-price, funded on inspection-passed milestones, and backed by our written guarantee.
Browse finished builds and specs in our ADU project gallery.
Detached ADU in West Sacramento — FAQs
A detached adu in West Sacramento typically runs $125,000–$432,000 turnkey in 2026, based on $250–$360 per square foot for the Yolo County market. We confirm your exact number with a free feasibility check.
West Sacramento detached adu permits are handled by the City of West Sacramento Community Development Department (Yolo County). West Sacramento sits in Yolo County and permits through its own Community Development Department — a separate process from the City of Sacramento across the river. Standard 4 ft setbacks and 16 ft height apply; older Broderick lots often have detached garages well suited to conversion. We prepare and submit the full package and manage inspections.
A detached adu in West Sacramento rents for about $1,600–$2,700 a month in 2026 depending on size and finish. Bridge District growth and a quick commute to downtown Sacramento keep West Sacramento ADUs fast to rent, supporting reliable cash flow near the riverfront.
A detached ADU in the Sacramento region typically runs $165,000–$500,000 in 2026, or roughly $250–$360 per square foot turnkey (design, permits, and construction included). A 750 sq ft 2-bed/1-bath lands around $230,000–$300,000 at mid-range finishes.
State law allows detached ADUs up to 1,200 sq ft. Units under 750 sq ft are exempt from impact fees, which is why many Sacramento homeowners build right at that threshold for the best cost-per-rental-dollar.
Plan on about 6–9 months end to end: 2–6 weeks design, 4–10 weeks permitting (as fast as 30 days with pre-approved plans), and 12–16 weeks construction.
Detached ADU near West Sacramento
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Not sure which type fits your lot? See all ADU services in West Sacramento or compare every build type on our ADU services hub.
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