Claremont Building Permits Guide for Homeowners

Last updated November 13, 2026. Reviewed by the Cash Home Buyers CA team.

Claremont asks that any project with a plan set be submitted electronically to the Building Division, while permits that need no plans are still processed over the counter. This guide walks Claremont homeowners through when a permit is required, how the plan check and inspection process works, and what permit history means when you decide to sell.

Claremont permits at a glance

Department	Building Division, City of Claremont
Phone	(909) 399-5471 (Building Division); Building Official (909) 399-5477
Email	buildingapplications@claremontca.gov
Permit issuance hours	Monday to Thursday, 7:00 a.m. to 5:30 p.m., at City Hall
Projects with plans	Submitted electronically by email with the permit worksheet and all supporting documents
Projects without plans	Processed over the counter
Inspection requests	Online Building Inspection Request Form; status through the online permit search
Special permit pages	Residential solar permit, permit status inquiry

When you need a building permit in Claremont

The city states that permits are required when constructing, remodeling or enlarging a building or structure, and for other improvements to your property. Its published list is a guideline rather than a complete catalog, and the Building Division asks you to send specific questions to staff before you start.

Work the city lists as requiring a permit includes building or demolishing a structure or patio cover, additions, garage conversions, and any remodel that adds or removes part of a wall or changes the size of a window or door opening.

The list also covers window and door installation, decks and balconies, electrical work such as panel upgrades or new circuits, plumbing work, water heater replacement or relocation, water and sewer line replacement, furnace or air conditioning installation, roof replacement or re-cover, and swimming pool or spa construction, including above-ground pools. A self-contained plug-in portable spa needs an electrical permit.

Cosmetic work generally does not. The city lists painting, wallpapering, carpeting, cabinets and interior trim as projects that do not require a permit, along with repairing electrical fixtures on existing wiring, replacing switches, plugs and light ballasts, and pumping out a septic system.

Step by step: how a Claremont permit works

1. Confirm that your project needs a permit

Compare your project to the city’s list, then call the Building Division at (909) 399-5471 if there is any doubt. A garage that has been turned into living space, a wall that was removed, or a new circuit added without paperwork are the kinds of items that later surface during a sale.

2. Submit your plans or apply at the counter

Claremont requires every project that has a plan set to be submitted electronically to buildingapplications@claremontca.gov, along with the permit worksheet and all other supporting documents. The city also publishes submittal checklists for plan check. Permits without plans, such as many like-for-like replacements, are still processed over the counter at City Hall during permit issuance hours, Monday through Thursday, 7:00 a.m. to 5:30 p.m.

3. Plan check and corrections

Staff review submitted plans for compliance with the applicable codes. The city does not publish a standard review time on its plan check page, so ask the Building Division for the current turnaround on your project type when you submit, and plan your timeline around that answer rather than an assumption.

4. Permit issuance and fees

Once plan check is complete, the permit is issued and you pay the applicable fees. Fee amounts depend on the scope of work, so request an estimate from the Building Division for your own project. If a licensed contractor is doing the work, they can often handle this step for you.

5. Check status and finish with a final

Claremont offers a permit status inquiry page and an online permit search where you can look up the state of your permit and its inspection results. A permit is not finished until the final inspection is approved, which is the record buyers and lenders look for later.

What inspections to expect

You request inspections with the city’s online Building Inspection Request Form. The city says morning inspections can be scheduled anytime between 8 a.m. and 1 p.m. and afternoon inspections anytime between 12 and 5 p.m., depending on schedule availability. After 6 p.m. the city posts a daily inspection route with estimated three-hour windows on its Building Inspections page.

One practical rule from the city: when you request an inspection, list every inspection you want for that permit number, or the request may be denied because of time constraints. Questions go to the Building Division at (909) 399-5471.

Solar and other special permits

Claremont has a dedicated residential solar permit page under its building permits section, which matters if the home you are selling has panels that were added after purchase. Solar work is electrical work, so confirm that the permit was finaled. For accessory dwelling units, the city runs a separate process; our Claremont zoning and ADU guide covers sizes, setbacks and application requirements.

Permits and selling a Claremont house

Permit history matters at sale time. Buyers, lenders and appraisers often ask whether additions, garage conversions or remodels were permitted, and California sellers generally disclose known unpermitted work on the transfer disclosure paperwork. Our statewide guide to selling as-is with unpermitted work explains the disclosure rules, and the seller closing costs guide covers what else to budget for.

If you own a Claremont home with open permits, expired permits or work done without one, you generally have three paths: finish and close the permit before listing, disclose and discount the price on the open market, or sell as-is to a cash buyer who takes the property in its current condition. A quick checklist before deciding:

• Look up your address in the city’s online permit search and note anything open.
• List improvements you or a prior owner made without a permit, such as converted garages, enclosed patios, or added bathrooms.
• Gather final inspection records and contractor invoices for permitted work.
• Ask the Building Division what it would take to close out or legalize each item.
• Compare the cost and time of that cleanup with a no-repairs cash sale.

How to sell a house in Claremont

1. Review which work on the property was permitted and which was not.
2. Collect permits, final inspection records and any city notices.
3. Request a no-obligation cash offer for the house as it stands.
4. Choose your closing date.
5. Close with no repairs, permit cleanup or showings required.

Our local pages cover related situations in Claremont, including selling to a cash buyer. The city’s code rules for properties are in our Claremont code enforcement guide.

Frequently asked questions

Do I need a permit to replace a water heater or A/C in Claremont?

Yes. The city lists water heater replacement, relocation or installation and furnace or air conditioning installation or replacement as work requiring a building permit.

Can I submit paper plans in Claremont?

The city asks that all projects with plan sets be submitted electronically by email to the Building Division. Permits without plans are processed over the counter.

When can I get a permit issued at Claremont City Hall?

Permit issuance hours are Monday to Thursday, 7:00 a.m. to 5:30 p.m.

How do I schedule a Claremont building inspection?

Use the online Building Inspection Request Form. Morning inspections run between 8 a.m. and 1 p.m. and afternoon inspections between 12 and 5 p.m., and you should list every inspection you need for the permit.

Does painting or replacing cabinets need a permit in Claremont?

No. The city lists cosmetic work such as painting, wallpapering, carpeting, cabinets and interior trim as not requiring a permit.

Can I sell my Claremont house with unpermitted work?

Yes. You can disclose it and sell as-is, including to a cash buyer. Our statewide guide explains the disclosure rules.

More guides

• We Buy Houses in Claremont
• We Buy Houses in Los Angeles County
• Claremont Code Enforcement Guide
• Claremont Zoning and ADU Guide
• All California Guides

Sources

• City of Claremont: Building Permits and Plan Checks
• City of Claremont: When do I need a permit?
• City of Claremont: Inspection Request

This guide is general information from public sources, not legal advice. Confirm current rules with the city.