CITY HALL CLOSURE NOTICE REGARDING RECEIPT OF EMAIL, MAIL, AND ONLINE FORMS
The City business offices will be closed for the holidays beginning at 6:00 p.m. on December 18, 2025, and will resume operations on Monday, January 5, 2026, at 7:00 a.m. Any communications sent to the City via email, mail, or online form submission during this closure will be considered received by the City no earlier than January 5, 2026.

Cooling Centers

Cooling Center

Adult Protective Services

Seniors requesting assistance due to the heat may contact Adult Protective Services 24 hours a day, 1-877-565-2020.

Montclair Branch Library

9955 Fremont Ave, Montclair, CA 91763
(909) 465-5520

The Montclair Branch Library is a designated cooling center open during regular operating hours. Monday-Wednesday 11 a.m. to 7 p.m., Thursday-Friday 10 a.m. to 6 p.m., and Saturday 9 a.m. to 5 p.m. Closed on Sundays.

Montclair Senior Center

5111 Benito Street, Montclair, CA 91763
(909) 625-9483

When temperatures are 100 degrees or over on Sundays, the Montclair Senior Center is open to Montclair residents from 12 p.m. to 6 p.m. Proof of residency is required.

  • Center is open to Montclair residents only, please be ready to show I.D.
  • All children under 16 years old must be accompanied by an adult
  • Pets in pet carriers are welcome but owners are responsible for immediately cleaning up after their animals
  • Please be considerate of others and keep your noise level to a minimum

Montclair Place

5060 E Montclair Plaza Lane
Montclair, CA 91763
(909) 626-2501
https://montclairplace.com/

Monday - Thursday, 11 a.m. - 8 p.m.
Friday - Saturday, 10 a.m. - 9 p.m.
Sunday, 11 a.m. - 7 p.m.

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