Application for Septic/OWTS Clearance for Building Additions and Accessory Structures (LU72/LU73)

When submitting to obtain Septic/Onsite Wastewater Treatment System (OWTS) clearance from DEH for your proposed building project, please provide the following:

  1. A completed Land Use Service Application
  2. One (1) copy of site plans to scale (1” = 20’). Plans must include:

    a. Location of septic tank and leachfield (As-built)
    b. Scope of proposed building project
    c. Minimum setbacks as required on page 3.11 & 3.12 of the Onsite Systems Manual
    d. Designation of future OWTS Expansion Area (if applicable)
    e. Any additional requirements, as listed on page 1.4 & 1.5 of the Onsite Systems Manual
  3. One (1) copy of existing and proposed floor plans (if applicable)
  4. Current (within last 3 years) Septic Pumper’s Report with condition of Septic/OWTS Tank noted and 30-minute water test conducted (if applicable).
  5. An onsite inspection may be scheduled for verification of minimum requirements. Additional fees may apply.
  6. Once all requirements have been completed and plans are ready for an approval stamp, additional copies (4) will need to be submitted.

Three (3) stamped copies are to be picked up and taken to the applicable jurisdiction’s Planning/Building Department for further processing.


LU Stamped Plan


Submittals can be sent electronically via [email protected], or in person (see below for locations).

NOTE: All applicable fees must be paid in full prior to any services provided by DEH (inspections, plan reviews, approvals, etc.). Projects/Submittals are reviewed in the order received - with the exception of failing Septic/OWTS. Plan review approvals will not be provided over the counter. Additional fees and requirements may apply.  

Applicable fees:





 $  223

Lot-line Adjustment/Merger


 $  336

Land Use Plan Check Major Building Addition (>500 sq. ft.) and/or bedroom addition


 $  279

Land Use Plan Check Minor Building Addition (≤ 500 sq. ft.) with no bedroom addition


 $  223

Land Use Plan Check Residential Accessory Structure (Barns/Detached Garage/Pool/Solar)


 $  223

Land Use Plan Check Resubmittal Charge



 $   223

File Review (hourly)


 $   223

Consultation/Additional Field Time (hourly)

We will not begin any work until all the items noted above and payment are received.

Please forward all large/over-sized site-maps and necessary documents to the following:

County of Santa Clara – DEH
RE: (Project number, once assigned)
1555 Berger Drive #300
San Jose, CA  95112

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