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Montclair, CA • Counter hours, 2025 codes & egress handout

Window Replacement in Montclair, CA

Montclair's permit counter is in person with short hours and closed Fridays, the city adopted the 2025 California codes, and its only window handout covers emergency escape sizes. This page covers Montclair in San Bernardino County. We couldn't confirm whether a like-for-like replacement needs a permit. Here's what the city publishes, with sources.

Last updated . Facts last checked against sources in October 2026.

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Local rules & permits
Map of Montclair

Montclair specifics

Four things to know before a Montclair window project.

An in-person counter with short hours

The Building Division's page says the counter is open Monday to Thursday 7 to 9 a.m. and 4 to 5:30 p.m., closed Fridays, with staff available outside those hours by appointment. Its FAQ says most permits are acquired in person and over the counter at City Hall and lists no online application. The counter phone is (909) 625-9477; the inspection line, (909) 625-9448, schedules next-day inspections for calls before 5 p.m.

No window exemption or handout beyond egress

The city's forms and handouts page lists no work-exempt-from-permit handout and no window replacement handout; the only window handout is "Emergency Escape and Rescue Windows". It gives 5.0 square feet of clear opening on the first floor, 5.7 on the second, 24 inches high, 20 inches wide and a sill no higher than 44 inches, but it's headed with a 2010 code reference, so use it as a summary. Ask the division whether your replacement needs a permit.

The 2025 codes with local amendments

Ordinance 25-1016 adopts the 2025 California Building, Residential, Fire, Green Building and other codes by reference with local amendments, effective thirty days after passage. An earlier city ordinance amended the building code's work-exempt-from-permit list, and we couldn't read the current text, so don't assume the state list applies unchanged.

Fire service in transition, and airport areas

Montclair runs its own fire department, and the city announced an agreement for San Bernardino County Fire to cover Fire Station 152 on an interim basis starting September 4, 2026 while it explores annexation. A city environmental document says Montclair lies in the Ontario International Airport and Cable Airport influence areas, which govern land use, noise and overflight rather than window permits. We found no city statement on the 2025 fire hazard maps, so check your address in the state viewer.

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An estimated range from published prices, adjusted for local installer wages. No phone number or email needed.

Estimate for 91763

$3,000 to $10,000

Estimated range for 10 double-hung windows

Based on national installer wages

$3,000$10,000

Midpoint of published ranges: $6,500

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Permits & codes

What to confirm before ordering

The city publishes no like-for-like rule for windows, so we don't claim a permit is or isn't needed.

Permit steps

Plan a counter visit in the Monday to Thursday windows, or ask for an appointment, and bring the window sizes and specifications. The city says it keeps no list of recommended contractors, and plan review for larger projects takes about two weeks.

  • Ask your installer who pulls the permit
  • Check bedroom escape sizes before choosing a window
  • Ask which code edition applies to your submittal

Climate zone, utilities and fire

A draft California Energy Commission ZIP table lists Montclair, ZIP 91763, in Climate Zone 10; confirm with the CEC lookup. Search extracts of the city's utilities page list Edison, SoCalGas and Monte Vista Water District, and we found no window rebate from any of them.

  • Confirm your climate zone with the CEC tool
  • Check the State Fire Marshal's fire hazard severity zone viewer

What this means for your windows

Practical steps for a Montclair window project

Use these with our general guide to vetting a window installer.

Pricing varies widely by home, product and installer. For national price ranges see our 2026 window replacement cost breakdown.

FAQ

Montclair window replacement questions

Do I need a permit to replace windows in Montclair?

We couldn't confirm. The city publishes no work-exempt handout or window replacement handout, and an earlier ordinance amended the code's exempt list. Call the Building Division at (909) 625-9477 before ordering.

Can I get a Montclair building permit online?

The city's FAQ says most permits are acquired in person and over the counter at City Hall and lists no online application. The counter is open Monday to Thursday and closed Fridays.

What size must a bedroom window be in Montclair?

The city's handout lists 5.0 square feet of clear opening on the first floor, 5.7 on the second, 24 inches high, 20 inches wide and a sill no higher than 44 inches. It's headed with a 2010 code reference, so confirm the current values with the division.

Is Montclair near an airport?

A city environmental document says Montclair lies in the Ontario International Airport and Cable Airport influence areas. Those plans govern land use, noise and overflight, and we found no window requirement tied to them.

County guide

Window replacement in San Bernardino County

Nearby cities

Sources & last checked October 2026

Codes, permits and incentives change. Confirm with your local building department and installer before you sign.

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