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City building permits

Town of Portola Valley

How to apply for a building permit in Town of Portola Valley, California. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Planning & Building Department, Town of Portola Valley

Street address
765 Portola Road, Portola Valley, CA 94028
Coverage
Town-specific permitting; applies within the incorporated Town of Portola Valley limits (in San Mateo County), separate from County of San Mateo process.
Online portal
Email/counter submission with supporting links (no dedicated public e-permit workflow)
Email/counter submission with supporting links (no dedicated public e-permit workflow)
§ 02

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.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Confirm whether a permit is required (work categories below).
  2. 02
    Submit preliminary paperwork and required plans to planbuild@portolavalley.net or visit the Building & Planning permit counter (Monday–Thursday, 8:30am–12:00pm).
  3. 03
    Town staff review for completeness and request supplemental items if needed.
  4. 04
    Classify project: limited-scope work (email review on first-come-first-served basis) or larger-scope work (email + required Zoom virtual counter meeting).
  5. 05
    If complete, fees/deposits are calculated and billed; project proceeds to formal review.
  6. 06
    After review and permit issuance, request inspections by emailing inspections@portolavalley.net.
  7. 07
    Start work only after required permit and any required pre-permit review is complete.

Source: Planning & Building Department, Town of Portola Valley ↗

§ 04

Fee schedule

Portola Valley building permit fees

Fee type
Amount
01
Minimum permit fee
- Permit Application Fee (all building permits): For Initial Permit $87 (additional permits $40).
02
Reinspection fee
- No specific standalone “reinspection” table is published in the building fee index; additional plan review/revisions billed hourly. - Starting work without permit can trigger a fee resolution penalty and minimum double-permit fine exposure.

- 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.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • 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.

§ 06

Frequently asked

Common questions about Portola Valley permits

01 Do I need a building permit in Portola Valley, CA?
for any erection, construction, enlargement, alteration, repair, move, improvement, or removal of building/structure, or work on electrical/plumbing/mechanical systems.
02 How much does a building permit cost in Portola Valley, CA?
Building permit fees in Portola Valley, CA are set by the local building department and vary by project type and valuation. The minimum permit fee is - Permit Application Fee (all building permits): For Initial Permit $87 (additional permits $40)..
03 How do I apply for a building permit in Portola Valley, CA?
To apply for a building permit in Portola Valley, CA, follow these steps: 1. Confirm whether a permit is required (work categories below). 2. Submit preliminary paperwork and required plans to planbuild@portolavalley.net or visit the Building & Planning permit counter (Monday–Thursday, 8:30am–12:00pm). 3. Town staff review for completeness and request supplemental items if needed. 4. Classify project: limited-scope work (email review on first-come-first-served basis) or larger-scope work (email + required Zoom virtual counter meeting). 5. If complete, fees/deposits are calculated and billed; project proceeds to formal review. 6. After review and permit issuance, request inspections by emailing inspections@portolavalley.net. 7. Start work only after required permit and any required pre-permit review is complete.
04 How do I schedule a building inspection in Portola Valley, CA?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Portola Valley, CA via: inspections@portolavalley.net.
last verified April 2026 source Planning & Building Department, Town of Portola Valley ↗ entry id permits/california/san-mateo/portola-valley

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.