How big can an ADU be in Elk Grove?

Detached ADUs in Elk Grove can be up to 1,200 sq ft. Attached ADUs: 50% of primary home, max 1,200 sq ft. JADUs up to 500 sq ft.

How much does it cost to build an ADU in Elk Grove?

Build costs typically range $120,000 – $260,000, or $170 – $240 per square foot.

Verified March 14, 2026

ADU Regulations in Elk Grove, California

Q: What are the setback requirements for ADUs in Elk Grove?

Front: Same as primary dwelling. Side: 4 ft. Rear: 4 ft.

Sacramento County · CA · Pop. 185,000

Max ADU Size

1,200

sq ft detached

Rear Setback

4 ft

Permit Timeline

60 days

Build Cost

$120,000 – $260,000

Zoning

Allowed ADU Types

✓Detached ADU

✓Attached ADU

✓JADU (Junior ADU)

✓Garage Conversion

Max per lot: 2 ADUs✓ No owner-occupancy required

ADUs allowed by-right; Elk Grove has an ADU resource page with pre-approved designs

Source: City of Elk Grove — Accessory Dwelling Units · Elk Grove Municipal Code Section 23.60

Dimensions

Size & Setback Requirements

Detached

1,200

sq ft max

JADU

500

sq ft max

Attached

50% of primary home, max 1,200 sq ft

Setbacks

front

Same as primary dwelling

side

4 ft

rear

4 ft

Max height: 16 ft

Lot coverage: Per underlying zone

Elk Grove's planned communities may have HOA design guidelines separate from city rules

Permitting

Permit Process

Department

Elk Grove Community Development

Review Timeline

60 days

Permit Fees

$5,000 – $11,000

Impact Fees

Impact fees waived under 750 sq ft

Required Documents

›Site plan
›Floor plans
›Elevations
›Title 24 energy compliance
›Structural drawings

Elk Grove's online permitting portal streamlines ADU applications

Visit Elk Grove Community Development →

Infrastructure

Utilities & Requirements

Solar

Required

Parking

Not required

Separate Meter

Optional

Fire Sprinklers

See note

Sewer: Sacramento Area Sewer District (SASD); connect to existing lateral

Fire Sprinklers: Not required unless primary structure requires them

Parking: No additional parking required

Financials

ADU Costs in Elk Grove

Typical Build Cost

$120,000 – $260,000

Cost per Sq Ft

$170 – $240

Monthly Rental

$1,300 – $2,100/mo

Property Value Added

Adds $115,000 – $220,000 to property value

Available Grants & Programs

★CalHFA ADU Grant Program available

Sacramento suburb with growing demand; lower costs than Bay Area

Use the free ADU Cost Calculator →

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Disclaimer: Information is compiled from publicly available municipal codes for general informational purposes only. It does not constitute legal, zoning, or construction advice. Regulations change frequently. Always verify with your local planning department. Last verified: March 14, 2026. Verify with Elk Grove Community Development

Explore More

Nearby Cities in Sacramento County

Sacramento

Max 1,200 sq ft · $130,000 – $380,000

Citrus Heights

Max 1,200 sq ft · $140,000 – $285,000

Elk Grove Quick Facts

Max size1,200 sq ft
Rear setback4 ft
Permit timeline60 days
Build cost$120,000 – $260,000
Rental income$1,300 – $2,100/mo
Owner occupancyNot required

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Official Source

City of Elk Grove — Accessory Dwelling Units

Elk Grove Municipal Code Section 23.60

Last verified: March 14, 2026

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ADU rules change often.

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