ADU Regulations in West Covina, California
Los Angeles County · CA · Pop. 110,000
Max ADU Size
1,200
sq ft detached
Rear Setback
4 ft
Permit Timeline
60 days
Build Cost
$150,000 – $305,000
Zoning
Allowed ADU Types
State law preempts local owner-occupancy requirements. West Covina's San Gabriel Valley single-family neighborhoods feature large lots that are well-suited to detached ADUs. Strong working-family rental market with stable long-term tenants.
Source: City of West Covina — Planning Department / Accessory Dwelling Units · West Covina Municipal Code Chapter 26 (Zoning)
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 (detached); up to primary structure height if attached
Lot coverage: Per underlying zone; R-1 zones typically permit 40–45% lot coverage
West Covina lots tend to be larger than coastal LA cities, often 7,000–10,000+ sq ft, providing room for full 1,200 sq ft detached ADUs without triggering coverage limits.
Permitting
Permit Process
Department
City of West Covina Planning Department
Review Timeline
60 days
Permit Fees
$7,000 – $14,000
Impact Fees
Impact fees waived for ADUs under 750 sq ft; proportional fees apply above that threshold
Required Documents
- ›Site plan (to scale)
- ›Floor plans
- ›Elevations
- ›Title 24 energy compliance (CalGreen)
- ›Structural drawings
- ›Grading/drainage plan if applicable
West Covina follows state ministerial review — no discretionary planning commission approval required. LA County school fees assessed separately. Valley County Water District sewer fees assessed by West Valley Water District.
Visit City of West Covina Planning Department →Infrastructure
Utilities & Requirements
Solar
Required
Parking
Not required
Separate Meter
Optional
Fire Sprinklers
See note
Financials
ADU Costs in West Covina
Typical Build Cost
$150,000 – $305,000
Cost per Sq Ft
$210 – $275
Monthly Rental
$1,500 – $2,400/mo/mo
Property Value Added
Adds $180,000 – $320,000 to property value
Available Grants & Programs
- ★CalHFA ADU Grant Program available (up to $40,000 pre-development)
- ★LA County Community Development Authority programs
SGV market offers one of the best ADU ROI profiles in LA County — lower build costs relative to coastal cities with solid rental income. Family-oriented renters in West Covina typically stay 2–4 years, reducing vacancy and turnover costs.
Use the free ADU Cost Calculator →Free Service
Get Contractor Quotes in West Covina
Connect with licensed local ADU contractors. Takes 2 minutes, no obligation.
Explore More
Nearby Cities in Los Angeles County
West Covina Quick Facts
- Max size1,200 sq ft
- Rear setback4 ft
- Permit timeline60 days
- Build cost$150,000 – $305,000
- Rental income$1,500 – $2,400/mo/mo
- Owner occupancyNot required
Official Source
City of West Covina — Planning Department / Accessory Dwelling UnitsWest Covina Municipal Code Chapter 26 (Zoning)
Last verified: March 14, 2026
Free Tools
Stay Updated
ADU rules change often.
Get notified when West Covina's regulations update, plus guides on permitting and financing.