On this page 6
When a permit is required
Permit triggers and exempt work for Portola Valley
for any erection, construction, enlargement, alteration, repair, move, improvement, or removal of building/structure, or work on electrical/plumbing/mechanical systems.
Note: - Exempt-from-permit status does not waive zoning/design compliance (all work must still meet zoning, planning, and design requirements). - Exempt structures may still require separate plumbing/electrical/mechanical permits.
- Building code
- - Town has adopted 2025 editions of the California Building, Electrical, Mechanical, Plumbing, Energy, Historical Building, Fire, and Existing Building Codes with local amendments.
- Permit validity
- Not stated clearly in the published pages (Town generally states permits tied to reviewed applications and process milestones; verify specific permit status/date directly with the Department).
- Owner-builder
- - Owner-builder declaration required where claimed (no sale intent, owner is applicant, and owner-builder criteria are met). - Town requires either contractor license or owner-builder declaration per California Business and Professions Code provisions.
- Contractor requirements
- - All contractors listed in permit application must provide CSLB number/class; form requires explicit declaration of being licensed or qualifying for statutory exemption. - All general and subcontractors must have a valid Portola Valley business license. - Separate owner-builder declarations and statutory worker-compensation declarations apply.
Application process
Application → plan check → issuance → inspection → final
- 01 Confirm whether a permit is required (work categories below).
- 02 Submit preliminary paperwork and required plans to planbuild@portolavalley.net or visit the Building & Planning permit counter (Monday–Thursday, 8:30am–12:00pm).
- 03 Town staff review for completeness and request supplemental items if needed.
- 04 Classify project: limited-scope work (email review on first-come-first-served basis) or larger-scope work (email + required Zoom virtual counter meeting).
- 05 If complete, fees/deposits are calculated and billed; project proceeds to formal review.
- 06 After review and permit issuance, request inspections by emailing inspections@portolavalley.net.
- 07 Start work only after required permit and any required pre-permit review is complete.
Source: Planning & Building Department, Town of Portola Valley ↗
Fee schedule
Portola Valley building permit fees
- Deposits are required in many categories. - Additional staff/consultant time billed hourly where deposit accounts or non-scheduled complexity applies. - Credit card/3rd-party payment fees may apply.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
- inspections@portolavalley.net (email)
- Time windows
- - Permit counter/opening hours are Monday–Thursday 8:30am–12:00pm; inspection offices are not posted with a fixed weekly schedule on public pages.
Typical sequence: - Schedule only after permit is issued/compliant with permit conditions; staff confirmation required before considering inspection confirmed. - Inspector may cancel visits for safety/review reasons.
Frequently asked
Common questions about Portola Valley permits
01 Do I need a building permit in Portola Valley, CA? ▸
02 How much does a building permit cost in Portola Valley, CA? ▸
03 How do I apply for a building permit in Portola Valley, CA? ▸
04 How do I schedule a building inspection in Portola Valley, CA? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Planning & Building Department, Town of Portola Valley before applying. Jaspector is not legal advice.