Monday is the deadline for property owners to pay the first installment of property taxes for the 2012-2013 fiscal year.

The Sonoma County Tax Collector's Office will provide drive-through, drop-off service on Friday and Monday from 8 a.m. to 5 p.m. Follow the signs in front of the office at 585 Fiscal Dr. in the county administration complex in Santa Rosa.

Checks and payment stubs in their green return envelopes can be dropped off at the drive-up location, in the drop box outside the tax office, or inside the office if property owners have questions about their bills. The deadline is 5 p.m.

Payments can be sent by mail to the Sonoma County Tax Collector, P.O. Box 3879, Santa Rosa 95402. They must be postmarked no later than Monday. Late payments are subject to penalties.

Taxes may be paid by credit card or e-check for a fee at <a href=""></a> or by calling (866) 875-3327.

For Mendocino County payment information, call 463-4321; in Lake County, call 263-2234.