Placerville, CA · El Dorado County
Attached ADU in Placerville
Upside ADU builds attached adus in Placerville, El Dorado County, for a $1,000 deposit with transparent fixed pricing and inspection-tied payments. A typical Placerville attached adu runs $108,000–$289,000 all-in, and we permit it through the City of Placerville / El Dorado County Building Department end to end.

Placerville rules that affect a attached adu
In Placerville, an attached unit shares a wall and utility runs with your main home, which can cut trenching and site costs — useful on tighter lots where a fully detached build would crowd the yard. The City of Placerville / El Dorado County Building Department reviews it as new attached square footage.
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 attached 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 attached 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 attached adu cost snapshot
An attached ADU connects to your existing house but functions as a fully separate dwelling. It shares utilities and a wall, which can reduce site and trenching costs versus a detached build. In the El Dorado County market that prices out to about $240–$340 per square foot, or $108,000–$289,000 for a finished, permitted unit. A typical Placerville attached adu rents for $1,400–$2,300 a month.
| Size | Typical use | Placerville all-in cost (2026) |
|---|---|---|
| 450 sq ft | Studio / 1-bed, max cash-on-cash | $108,000–$153,000 |
| 650 sq ft | 1–2 bed, most popular | $156,000–$221,000 |
| 850 sq ft | 2–3 bed / multigen, max value | $204,000–$289,000 |
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
$240–$340 / 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.
Attached 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 attached 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.
Attached ADU in Placerville — FAQs
A attached adu in Placerville typically runs $108,000–$289,000 turnkey in 2026, based on $240–$340 per square foot for the El Dorado County market. We confirm your exact number with a free feasibility check.
Placerville attached 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 attached 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.
An attached ADU shares at least one wall with your main house; a detached ADU is a standalone structure. Attached units can be cheaper to build (shared utilities, less site work) while detached units typically rent higher and add more resale value.
Attached ADU near Placerville
ADU services in Placerville
Upside models for Attached ADU
More for Placerville
Not sure which type fits your lot? See all ADU services in Placerville or compare every build type on our ADU services hub.
Build your attached adu in Placerville
Get a transparent Placerville quote and a free feasibility check for your lot.