Free homeowner resource
San Diego Property Records Toolkit
Everything you need to research your own property before building: APN number lookup, parcel map download, building and survey records, sewer lateral lookup, fire zone check, and utility upgrade info. Official San Diego County sources only, with exactly what to ask for.
Your property records toolkit
Want to turn a "not sure" into a checkmark? These official sources cover every San Diego County property. We'll point you to your city's own records pages during your property review.
- Building records requestRequest prior building records and permits for your property. Complete the form and email it in.San Diego County Assessor / Recorder
- SDG&E service upgrade detailsFind out what an electrical or gas service upgrade entails for your property. Create an account and fill out the application; the site meeting with an SDG&E planner takes about 5 to 6 weeks total.SDG&E Builder Services
- Check recorded easements & utilitiesGet a hold of your title report from when you purchased the property. Your agent, broker, or title company can help you find it.Your title company
- APN lookup & parcel map downloadFind your APN (Assessor's Parcel Number) and download your parcel map: search your address, open the property detail, and click Download Assessor Map.ParcelQuest (County Assessor data)
- Soils & environmental map layersGeneral soil and environmental constraints for any County parcel.SanGIS regional mapping
Sewer Lateral Lookup
Enter your address and we'll point you to your sewer provider, with exactly what to ask for.
Fire Zone Lookup
Enter your address and we'll check it against CAL FIRE's official Fire Hazard Severity Zone map for San Diego County, right here.
Put your records to work
Turn what you find into a real budget
Every record you track down makes your ADU estimate sharper. The ADU Project Planner asks the same questions we ask on a site visit and prices your project from our real builds.