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Our Permit Center hours have changed to the following:
• Walk-in Hours: Monday, Wednesday, and Friday mornings, 7:30 AM - 11:45 AM.
• Appointments: Monday and Wednesday afternoons, Tuesday and Thursday all day. (Click the appointment link below for available times)
• Friday: Closed at 12:00 PM.
*CLOSED FROM 12 PM TO 1:30 PM MONDAY-THURSDAY FOR LUNCH

Walk-in appointments will be limited to 30 minutes to accommodate our customers. If you have questions about as-built permits, code enforcement projects, or want to submit new structure and/or grading permit submittals, we encourage scheduling appointments through our website or via No Wait Inside to allow for additional time.

Planning & Building

County of San Luis Obispo

Home » Departments » Planning & Building » Forms & Documents » Building (Construction) Forms and Documents » Septic System (Onsite Wastewater Treatment Systems) Documents

Septic System (Onsite Wastewater Treatment Systems) Documents

  • BLD-3028-04212020-Digital-Submittal-for-Onsite-Wastewater-Treatment-Systems-Requiring-Corrective-Act
  • County of San Luis Obispo LAMP 2020
  • Countywide Rainfall Coverage Map
  • Existing Septic Verification Form
  • Homeowner Guide to Septic Systems (English)
  • Homeowner Guide to Septic Systems (Español)
  • LAMP FAQs Document
  • Septic Dos and Don’ts (English)
  • Septic Dos and Don’ts (Español)
  • Septic Tank Inspection Report
  • State OWTS Policy
  • Top 10 Ways to be a Good Septic Owner
  • Washing Machine Greywater Disposal Guide
Picture of Trevor Keith

Trevor Keith

Director of Planning & Building

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  • 2019 Building Code Changes »
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  • Septic System (Onsite Wastewater Treatment Systems) Documents »
  • Recycling Receipts »
  • Renewable Energy Permits »
  • User Guides »

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County Government Center

1055 Monterey Street, San Luis Obispo, CA 93408

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County Phone Directory: 805-781-5000

(Toll free: 800-834-4636)

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