Kitchen and Bath Remodel Permits in the Conejo Valley

Most kitchen and bath remodels that move or add plumbing, gas, electrical, or walls need a building permit, while purely cosmetic work often does not. Which agency issues it depends on where you live: the City of Thousand Oaks, the County of Ventura for unincorporated areas, or your own city. Always confirm with the building department, and expect your contractor to pull the permit.

Last updated October 22, 2026.

Who issues permits where you live?

The Conejo Valley straddles two counties and several cities, so the right building department depends on your address, not your mailing name.

Where you live	Usual permit agency
Thousand Oaks, including Newbury Park, Dos Vientos, Lynn Ranch, Wildwood, Lang Ranch, Sunset Hills, Mountclef Village, and North Ranch	City of Thousand Oaks
Unincorporated Ventura County, including Oak Park, Lake Sherwood, Hidden Valley, Casa Conejo, Bell Canyon, Santa Rosa Valley, and Somis	County of Ventura
Camarillo, Moorpark, Simi Valley	That city
Westlake Village, Agoura Hills, Calabasas (Los Angeles County)	That city

A mailing address can be misleading. Parts of the Westlake area use a Westlake Village address but sit inside the City of Thousand Oaks, on the Ventura County side. Newbury Park is part of Thousand Oaks, but Casa Conejo nearby is unincorporated. If you’re unsure, your property tax bill or the county assessor’s parcel information usually shows the jurisdiction, and the building department can confirm.

What kind of remodel work usually needs a permit?

Rules differ by jurisdiction, but work like this generally requires a permit:

• Removing, moving, or adding walls, especially load-bearing walls.
• Moving or adding plumbing fixtures, drains, or water lines.
• Moving or adding gas lines, or adding a new gas appliance.
• New electrical circuits, a panel upgrade, or substantial rewiring.
• New or relocated windows and exterior doors.
• Adding a range hood or bath fan that vents through the roof or wall.
• Water heater replacement.

Work that is often exempt includes painting, replacing cabinets or countertops in the same location without utility changes, and installing new flooring. Even then, some agencies have specific rules, so confirm with the building department before you assume.

Who pulls the permit?

Normally the contractor pulls the permit and schedules inspections, and that is usually the better arrangement. If a contractor asks you to pull an “owner-builder” permit for work they are doing, be cautious: it can shift legal responsibility, including for workers and code compliance, onto you. Ask why, and read the owner-builder disclosure carefully before signing anything.

What is the typical permit process?

1. Plans or a scope description. Simple jobs may need only a description; layout changes, wall removals, and larger projects often need drawings and sometimes engineering.
2. Plan check. Larger projects go through plan check, which can take from days to several weeks depending on the agency and workload.
3. Permit issued. Fees are paid and work can start.
4. Inspections. Commonly rough plumbing, electrical, framing, insulation where walls are opened, and a final inspection.
5. Final sign-off. Keep the finaled permit with your home records; buyers and insurers may ask for it later.

What code items come up in kitchen and bath remodels?

• Lighting and energy. California’s energy code (Title 24) sets requirements for efficient lighting and controls in remodeled spaces. See our kitchen lighting guide.
• Electrical. Kitchen countertop circuits, GFCI and AFCI protection, and outlet spacing per the California Electrical Code.
• Ventilation. Exhaust fans in bathrooms, and range hood requirements that vary with the appliance.
• Smoke and carbon monoxide alarms. Permitted work often triggers a requirement to bring alarms up to current standards in the home.
• Water efficiency. Fixtures sold in California must meet state flow limits.

How does HOA approval fit in?

An HOA approval and a building permit are separate. Many Conejo Valley neighborhoods, including much of Westlake Village, North Ranch, Lang Ranch, Dos Vientos, Oak Park, Lake Sherwood, Calabasas, and Moorpark, have HOAs. Interior remodels usually don’t need architectural approval, but changes visible from outside generally do: windows, doors, exterior vents, roof penetrations, and anything that changes the home’s exterior. Many HOAs also have rules for contractor work hours, parking, gate access, dumpsters, and portable toilets. Gated communities may require a contractor registration. Get approvals in writing before the start date.

What should you keep after the job?

Ask the contractor for copies of the finaled permit, inspection cards, any engineering, appliance manuals, and warranty documents for cabinets, counters, and fixtures. Store them with your home records. They help with future repairs, insurance questions, and a sale.

Do ADUs and garage conversions follow different rules?

Accessory dwelling units and garage conversions are common companions to whole-home remodels in the Conejo Valley. California has passed several laws making ADUs easier to permit, but they still go through the building department, often with separate plan check, utility, and fire requirements. Treat an ADU as its own permit conversation, and check HOA rules, which can still affect exterior design within the limits of state law.

Why skipping a permit is risky

Unpermitted work can complicate a future sale, an insurance claim, or a refinance, and you may be asked to open walls for inspection or remove work later. Permits also bring a second set of eyes to the electrical, gas, and structural work. If a contractor suggests skipping permits to save money, treat that as a warning sign.

Check any contractor’s license at cslb.ca.gov. Related: kitchen layout changes and kitchen remodel timeline.

Frequently asked questions

Do I need a permit to replace kitchen cabinets and countertops?

Often not, if they go back in the same location without moving plumbing, gas, or electrical. Once you add circuits, move the sink, or change walls, a permit is generally required. Confirm with your building department.

I live in Westlake Village. Which agency issues my permit?

It depends on which side of the county line you're on. The City of Westlake Village is in Los Angeles County, but part of the Westlake area on the Ventura County side is inside the City of Thousand Oaks. Check your property tax bill or ask the building department.

Who should pull the permit, me or the contractor?

Usually the contractor. Be cautious if a contractor asks you to pull an owner-builder permit for their work, since that can shift legal responsibility to you.

Does my HOA need to approve a kitchen remodel?

Interior-only work often doesn't, but many HOAs regulate work hours, contractor parking, and dumpsters, and any exterior change such as a new window or vent usually needs architectural approval. Check your HOA's rules.

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