Complete 2026 cost breakdown: construction, permits, financing, and expected rental ROI.
Calculate your Citrus Heights ADU cost →Building an ADU in Citrus Heights costs between $150,000-$300,000 for new construction, with per-square-foot costs averaging $250-$400. These figures include design, permitting, site preparation, and construction. The most affordable option is a garage conversion at $80,000-$150,000, while prefab/modular ADUs fall in between at $120,000-$250,000.
| Cost Category | Estimated Range |
|---|---|
| Architectural Plans | $3,000 – $15,000 |
| Permits & Fees | Confirm current building permit and plan check amounts with Citrus Heights Planning at (916) 727-4740 — no ADU fee schedule is published on the city's ADU pages |
| Impact Fees | Confirm with Citrus Heights Planning — California law limits impact fees on smaller ADUs, but the city publishes no ADU-specific fee schedule; ask the Planning Division which fees apply at your unit's size before you budget |
| Site Prep & Foundation | $10,000 – $35,000 |
| Framing & Structure | $15,000 – $45,000 |
| Plumbing | $8,000 – $20,000 |
| Electrical | $5,000 – $15,000 |
| HVAC | $3,000 – $8,000 |
| Interior Finishes | $15,000 – $40,000 |
Quotes for the same ADU commonly vary 20–40% between builders. Get up to 5 free quotes from ADU builders serving Citrus Heights — no obligation.
Get Citrus Heights builder quotes →Permit fees in Citrus Heights are Confirm current building permit and plan check amounts with Citrus Heights Planning at (916) 727-4740 — no ADU fee schedule is published on the city's ADU pages. The review timeline is Completeness determination within 15 business days of submittal; approve or deny within 60 days of a complete application where a dwelling already exists on the lot — and if the city misses the 60 days, the application is deemed approved (Gov. Code §66317(a)(2)-(3)), with plan check: Building Division plan check. The city's permit-ready plans come pre-approved by the Building Division, which shortens review. Fire sprinklers are not required for an ADU or JADU if they are not required for the primary dwelling. Impact fees are Confirm with Citrus Heights Planning — California law limits impact fees on smaller ADUs, but the city publishes no ADU-specific fee schedule; ask the Planning Division which fees apply at your unit's size before you budget. Pre-approved plans: Yes — the Permit-Ready ADU Program offers city plans free of charge, funded by a state Local Early Action Planning (LEAP) grant: two 1-bedroom/1-bath models and one 2-bedroom/1-bath model, each with a choice of roof lines and exterior finishes, accessible features, and a reversed layout option, all pre-approved by the Building Division. The city also runs an AB 1332 preapproved ADU plans program and publishes a preapproved vendor list.
| 1-Bedroom Rent | $1,450-$1,750/month |
| 2-Bedroom Rent | $1,750-$2,100/month |
| Annual Rental Income (est.) | $19,200/year |
| Payback Period (est.) | 11.7 years |
| Short-Term Rental | No — the adopted code bars renting an ADU or JADU for periods of less than 31 days (Citrus Heights Zoning Code §106.42.015.C.3), and the city's ADU Development Standards page states a 30-day minimum and requires an ADU Rental Restriction Acknowledgment Form at permit application. Either way, Airbnb-style letting is out. Rentals must also be registered with the city's Rental Housing Inspection Program |
| Overall ROI Estimate | 6-9% annual return |
A typical ADU in Citrus Heights generates approximately $19,200 per year in rental income based on average 1-bedroom rents. At an average construction cost of $225,000, the estimated payback period is 11.7 years — before accounting for the resale value the ADU adds, which an appraiser determines from comparable sales in Citrus Heights and varies by market (often less than build cost).
1. Garage conversions save 40-60% vs new construction since the shell already exists. Average cost in Citrus Heights: $80,000-$150,000.
2. Prefab/modular ADUs offer predictable pricing and faster timelines. Average: $120,000-$250,000.
3. Pre-approved plans — available in Citrus Heights, which can save $3,000-$10,000 in design costs and 2-3 months in review time. See which cities offer pre-approved ADU plans.
4. State grants — California's CalHFA ADU grant (up to $40K) is currently paused; check calhfa.ca.gov/adu for status and your state for active programs.
5. Get multiple bids — ADU contractor pricing varies 20-40% for the same project. We recommend getting at least 3 quotes.
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