ADUByCity
Verified March 14, 2026

ADU Regulations in Glendale, California

Los Angeles County · CA · Pop. 200,000

Max ADU Size

1,200

sq ft detached

Rear Setback

4 ft

Permit Timeline

60 days

Build Cost

$160,000 – $370,000

Zoning

Allowed ADU Types

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

Hillside lots may have additional slope and grading requirements

Source: City of Glendale — Accessory Dwelling Unit · Glendale Municipal Code Chapter 30.40

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 (hillside overlay may restrict further)

Lot coverage: Per zone; hillside overlay applies to sloped lots

Many Glendale properties are on hillside lots — verify slope restrictions with planning

Permitting

Permit Process

Department

Glendale Community Development Department

Review Timeline

60 days

Permit Fees

$9,000 – $20,000

Impact Fees

Impact fees waived under 750 sq ft

Required Documents

  • ›Site plan
  • ›Floor plans
  • ›Elevations
  • ›Title 24 energy compliance
  • ›Geotechnical report (hillside lots)
  • ›Structural drawings

Glendale's online permit portal (CSS) handles ADU applications

Visit Glendale Community Development Department →

Infrastructure

Utilities & Requirements

Solar

Required

Parking

Not required

Separate Meter

Optional

Fire Sprinklers

See note

Sewer: Glendale Water & Power; connect to existing lateral
Fire Sprinklers: Not required unless primary structure requires them
Parking: No additional parking required

Financials

ADU Costs in Glendale

Typical Build Cost

$160,000 – $370,000

Cost per Sq Ft

$230 – $320

Monthly Rental

$1,800 – $3,200/mo

Property Value Added

Adds $170,000 – $330,000 to property value

Available Grants & Programs

  • ★CalHFA ADU Grant Program available

Hillside lots add 15–30% to construction costs due to grading and access

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 Glendale Community Development Department

Explore More

Nearby Cities in Los Angeles County

Los Angeles

Max 1,200 sq ft · $150,000 – $450,000

Long Beach

Max 1,200 sq ft · $150,000 – $420,000

Santa Clarita

Max 1,200 sq ft · $150,000 – $320,000

Palmdale

Max 1,200 sq ft · $130,000 – $270,000

Lancaster

Max 1,200 sq ft · $120,000 – $250,000

Pomona

Max 1,200 sq ft · $140,000 – $290,000

Glendale Quick Facts

  • Max size1,200 sq ft
  • Rear setback4 ft
  • Permit timeline60 days
  • Build cost$160,000 – $370,000
  • Rental income$1,800 – $3,200/mo
  • Owner occupancyNot required

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Official Source

City of Glendale — Accessory Dwelling Unit

Glendale Municipal Code Chapter 30.40

Last verified: March 14, 2026

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ADU rules change often.

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