ADU Pathway Checker
This quick tool now uses the same feasibility rules engine as the full property checker. Use the full checker for a stronger parcel-specific pre-check.
Property Pre-Check Result
ADU pathway pre-check
Based on the information entered, this California property needs a adu pathway pre-check. This is a low preliminary result because parcel records, local interpretation, utilities, fire access, and overlays still need official confirmation.
Likely starting authority
- Start by confirming whether the parcel is inside city limits or controlled by unincorporated county departments.
Key departments to contact
- Planning
- Building
- Assessor / GIS
- Utility Providers
Required official checks
- Local ADU ordinance and California ADU law starting point
Possible concerns
- County is missing or not matched to the current data set.
- City or jurisdiction is missing.
- City versus unincorporated county jurisdiction must be verified.
- Utility path is unknown.
- Unknown
Questions to ask the city/county
- Which department has jurisdiction over this parcel?
- What zoning district, overlays, setbacks, height, lot coverage, and parking rules apply?
- Which use category will the jurisdiction apply to this project?
- What drawings, reports, fees, and reviews are needed before plan submittal?
- Is the parcel inside city limits or controlled by unincorporated county planning?
- What objective ADU standards apply to this parcel?
- Are sewer, water, fire access, parking, lot coverage, and existing unpermitted work concerns?
- Which providers serve water, sewer, power, and gas for this parcel?
Documents to collect
- APN and assessor record
- Parcel map or GIS screenshot
- Zoning district and overlay notes
- Site photos and rough site plan
- Utility provider notes
- Written department links, names, and dates
- Existing home layout or garage measurements
Suggested next steps
- Confirm the existing primary dwelling and the ADU path before hiring design help.
- Do not set a final budget until utility, septic, fire access, and plan-check requirements are clearer.
TinyHomeNavigator provides educational pre-check information only. Rules vary by parcel, zoning district, city, county, overlay, utility provider, fire authority, and environmental health department. Always confirm directly with the local planning department, building department, environmental health department, fire authority, and utility providers before buying land, designing, permitting, placing, or building any structure.