Placerville, CA · El Dorado County
Detached ADU in Placerville
Upside ADU builds detached adus in Placerville, El Dorado County, for a $1,000 deposit with transparent fixed pricing and inspection-tied payments. A typical Placerville detached adu runs $125,000–$432,000 all-in, and we permit it through the City of Placerville / El Dorado County Building Department end to end.

Placerville rules that affect a detached adu
Placerville'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 Placerville / El Dorado County Building Department reviews detached builds on the standard 60-day clock.
Local permitting: Placerville ADUs permit through the City of Placerville or the El Dorado County Building Department depending on the parcel. Gold Country lots can involve slope, septic, well, and historic-district review downtown, all scoped before the bid so there are no surprises.
That's the detached adu-specific picture. For the full El Dorado 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 Placerville homeowners pick Upside
- $1,000 deposit — the CA legal max
- Inspection-tied milestone payments
- We know the City of Placerville / El Dorado County Building Department process
- Transparent, all-in Placerville pricing
- Property-manager referral when you rent
Placerville 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 El Dorado County market that prices out to about $250–$360 per square foot, or $125,000–$432,000 for a finished, permitted unit. A typical Placerville detached adu rents for $1,400–$2,300 a month.
| Size | Typical use | Placerville 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 Placerville
Placerville's wine-country traffic makes a furnished short-stay unit worth weighing against a long-term rental. Smith Flat and Gold Hill lots are larger and sloped; downtown adds historic-district review on top of the usual septic and well checks. 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 Placerville — FAQs
A detached adu in Placerville typically runs $125,000–$432,000 turnkey in 2026, based on $250–$360 per square foot for the El Dorado County market. We confirm your exact number with a free feasibility check.
Placerville detached adu permits are handled by the City of Placerville / El Dorado County Building Department. Placerville ADUs permit through the City of Placerville or the El Dorado County Building Department depending on the parcel. Gold Country lots can involve slope, septic, well, and historic-district review downtown, all scoped before the bid so there are no surprises. We prepare and submit the full package and manage inspections.
A detached adu in Placerville rents for about $1,400–$2,300 a month in 2026 depending on size and finish. Tourism and wine-country traffic open the door to higher-yield furnished and short-stay ADU rentals, an option that can beat long-term rents on the right property.
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 Placerville
ADU services in Placerville
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Not sure which type fits your lot? See all ADU services in Placerville or compare every build type on our ADU services hub.
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