ADU Feasibility Report
Property Overview
Zoning Information
Zone Guide
The purpose of the Mobile home Park Zone is to encourage the provision of affordable housing in the City as provided in the Housing Element of the General Plan, by permitting both the retention and expansion of existing mobile home parks and the establishment of new mobile home parks. The purpose of the CPIO District is to provide for supplemental development regulations tailored to each Community Plan area to ensure that development enhances the unique architectural, environmental, and cultural qualities of each Community Plan area, integrates improvements and enhancements to the public right-of-way, and maintains compatible land uses, scale, intensity, and density.
Development Standards
Other Requirements
NA
ADU Types Analysis
Up to 500 sqft within primary dwelling
State-guaranteed 800 sqft minimum
New detached construction up to 1,200 sqft
Attached to primary dwelling
Convert existing accessory structure
Within existing MF non-residential space
Up to 2 detached ADUs on MF lot
Risk Assessment
ADU construction typically costs $150K–$500K+, a significant capital commitment.
→ Get 3+ contractor bids. Prefab options may cut costs by 20–30%.
Parcel boundaries unavailable — setback compliance not fully confirmed.
→ Obtain a survey or confirm boundaries via the county assessor.
Fewer than 3 ADUs with Certificate of Occupancy found nearby.
→ Check with the local building department for recent approvals.
Fire hazard severity zone data was not available for this parcel.
→ Verify fire zone status via CAL FIRE or the city planning portal.
Building footprint unavailable — lot coverage calculations are estimated.
→ Provide accurate building dimensions to refine the feasibility analysis.
Utility upgrades (electrical, sewer) may add $5K–$20K to project costs.
→ Have a contractor assess existing utility capacity before budgeting.
Coastal Zone
Nearby Permits (20)
Eplan Conversion Of An Existing Attached Garage To A New Adu Per Ord
New 1-Story Detached Accessory Dwelling Unit (798 SF) In Rear Yard
Convert Existing 400 SF Detached Garage To An Accessory Dwelling Unit
Junior Accessory Dwelling Unit Within Existing Single-Family Dwelling
New Detached Accessory Dwelling Unit, 1,000 SF, 2 Bed / 1 Bath
Construction Cost & ROI Estimate
Sample feasibility report. Figures are estimates for illustration; verify with a licensed contractor and your local building department before budgeting.