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City of San Mateo Municipal Code.

10.80.030 HOURS OF OPERATION.

No person shall use or operate a leaf blower in a residential zoning district or in areas bordering a residential zoning district before 8:00 a.m. or after 5:00 p.m. Monday through Friday, nor prior to 9:00 a.m. or after 5:00 p.m. on Saturdays. Use of leaf blowers on Sundays or on the following holidays is prohibited: New Years Day, Martin Luther King, Jr. Birthday, Presidents' Day, Memorial Day, 4th of July, Labor Day, Veterans Day, Thanksgiving, Christmas.