ADUByCity
Verified March 14, 2026

ADU Regulations in Hemet, California

Riverside County · CA · Pop. 85,000

Max ADU Size

1,200

sq ft detached

Rear Setback

4 ft

Permit Timeline

60 days

Build Cost

$110,000 – $225,000

Zoning

Allowed ADU Types

✓Detached ADU
✓Attached ADU
✓JADU (Junior ADU)
✓Garage Conversion
Max per lot: 2 ADUs✓ No owner-occupancy required

ADUs are permitted in all residential zones consistent with California state law. Hemet's RA (Residential Agriculture) zone allows ADUs on larger rural-residential lots. The city is one of the most affordable ADU markets in Southern California, making it attractive for investors and working-class families.

Source: City of Hemet — Planning Department · Hemet Municipal Code Chapter 19

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

Hemet's larger average lot sizes in inland Riverside County provide ample rear-yard space for detached ADUs. RA-zoned lots may accommodate larger ADU footprints within state law maximums. Garage conversions are a popular low-cost option in this market.

Permitting

Permit Process

Department

Planning Department

Review Timeline

60 days

Permit Fees

$4,000 – $8,000

Impact Fees

Impact fees waived under 750 sq ft

Required Documents

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

Hemet offers some of the lowest ADU permit fees in Southern California, reflecting the city's commitment to housing production and its lower infrastructure cost base. The permitting process is straightforward and staff is generally responsive to ADU applications.

Visit Planning Department →

Infrastructure

Utilities & Requirements

Solar

Required

Parking

Not required

Separate Meter

Optional

Fire Sprinklers

See note

Sewer: Connection to city sewer required; septic systems permitted in RA zone where sewer is unavailable
Fire Sprinklers: Not required unless primary structure requires them
Parking: No additional parking required

Financials

ADU Costs in Hemet

Typical Build Cost

$110,000 – $225,000

Cost per Sq Ft

$155 – $210

Monthly Rental

$1,000 – $1,600/mo/mo

Property Value Added

Adds $100,000 – $200,000 to property value

Available Grants & Programs

  • ★CalHFA ADU Grant Program available

Hemet is among the most affordable ADU construction markets in Southern California. Lower land values and construction costs make ADUs financially accessible for a broader range of homeowners. Rental demand is driven by working-class households, healthcare workers, and retirees in the inland valley.

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 Planning Department

Explore More

Nearby Cities in Riverside County

Riverside

Max 1,200 sq ft · $110,000 – $240,000

Moreno Valley

Max 1,200 sq ft · $110,000 – $230,000

Corona

Max 1,200 sq ft · $145,000 – $300,000

Murrieta

Max 1,200 sq ft · $145,000 – $295,000

Temecula

Max 1,200 sq ft · $150,000 – $305,000

Jurupa Valley

Max 1,200 sq ft · $130,000 – $270,000

Hemet Quick Facts

  • Max size1,200 sq ft
  • Rear setback4 ft
  • Permit timeline60 days
  • Build cost$110,000 – $225,000
  • Rental income$1,000 – $1,600/mo/mo
  • Owner occupancyNot required

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Official Source

City of Hemet — Planning Department

Hemet Municipal Code Chapter 19

Last verified: March 14, 2026

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