Drainage Install Permit Requirements — San Jose, CA
Yes, a plumbing permit is required in San José for drainage install work, specifically for sewer lateral replacement or significant repair, and particularly for major plumbing system replacement exceeding 50 feet.
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What affects your permit requirement
Typical requirements
- Fee range
- $700–$1200[fee schedule]
- Department
- City of San José Planning, Building & Code Enforcement Building Division(408) 535-3555https://sjpermits.org/permits/
These figures reflect typical jurisdiction data. Fees and timelines change. Run a free search on your exact address for jurisdiction-confirmed requirements before you bid or apply.
Frequently asked questions
Do I need a permit to replace my main drainage line in San José?
Yes. The City of San José requires a plumbing permit for any sewer lateral replacement or significant repair, and major drain line replacement work exceeding 50 feet requires full permit approval. Based on your job description, this constitutes a major plumbing system replacement requiring permit approval.
What are the typical fees for a drainage permit in San José?
For major drain line replacement work exceeding 50 feet, estimated fees range from $700–$1,200, which includes permit issuance fees ($227 minimum), plan review fees ($325 hourly minimum), and plumbing inspection fees ($315 hourly minimum). Plumbing permit fees are calculated as the greater of a minimum of $315 per hour of actual inspection time or an itemized basis.
Can I apply for a drainage permit online in San José?
Yes. Most plumbing permits, including sanitary sewer replacements, can be applied for through the online self-serve permit system at https://sjpermits.org/permits/. The Wizard tool will help you identify the right permit process for your project before you sign in to your account.
Who do I contact at the City of San José for drainage permit questions?
The City of San José Planning, Building & Code Enforcement Building Division handles plumbing permits. You can reach them at (408) 535-3555 or email BuildingPermits@sanjoseca.gov.
What building codes apply to my drainage permit in San José?
The 2025 California Building Codes, including the 2025 California Plumbing Code, became applicable to all building permit applications made on or after January 1, 2026. These codes govern plumbing system replacements and repairs in San José.