Cobb County this week: property taxes due Oct. 15, library book sale Oct. 16–18, hazardous waste drop-off and free pet microchips Oct. 17

Cobb County Government sent out its weekly newsletter for the week of Oct. 12, 2026. Here is what residents need to know, with the dates first.

Property taxes are due Thursday, Oct. 15. You can pay online at CobbTax.gov (https://www.cobbtax.gov/), by phone at 1-866-535-2622, or in person at any of the tax commissioner's five offices, which take credit cards, e-checks, Apple Pay and Google Pay. Questions go to 770-528-8600 or tax@cobbtax.gov.

Library Fall Book Sale, Oct. 16–18. The Cobb County Library System is selling thousands of books for all ages, plus movies, audiobooks, vinyl records, comic books and puzzles, priced from 10 cents to $4. Hours are 9 a.m. to 5 p.m. Friday and Saturday and 1 to 5 p.m. Sunday, when you can fill a box for one flat price. Entry and parking are free, and cash, checks and cards are accepted. New this year: checkout lines are capped at 20 items; on Friday morning shoppers are limited to one puzzle, one graphic novel, one manga, two comic books and two LPs; and electronic scanning is not allowed until 1 p.m. Friday.

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Permit portal offline Oct. 16–18. Cobb Community Development's online Citizen Access Portal will be down Friday through Sunday for system updates. No in-person or online payments can be made and inspections cannot be scheduled during that time. Service returns Monday, Oct. 19.

Household Hazardous Waste collection, Saturday, Oct. 17, 9 a.m. to 1 p.m., at Jim R. Miller Park in Marietta. You must register for a time slot. Paint, batteries, light bulbs and household chemicals are among the items taken. Volunteers are also wanted for this event and for the Community Recycling event on Nov. 14.

Free pet microchips, Saturday, Oct. 17, 9 a.m. to 2 p.m., at East Cobb Park in Marietta. It is for Cobb County residents and for cats and dogs only. No registration is needed. Microchipping is one of the best ways to get a lost pet back home.

Cool Cars and Cops, Saturday, Oct. 17, 9 a.m. to noon, at the Cobb County Public Safety Training Center in Austell. The rescheduled car show is free and has live music, food trucks and prizes. Proceeds go to the SWAT Santa program for local families at the holidays.

Medicine take-back, Saturday, Oct. 24, 10 a.m. to 2 p.m. Police and volunteers will collect old pills, liquids, creams, patches and pet medicines at three sites: Precinct One in Kennesaw, the C. Freeman Poole Senior Center in Smyrna and the Tim D. Lee Senior Center in Marietta. No registration is needed. It is part of the DEA National Take Back Day with Keep Cobb Beautiful.

For veterans: the We Care Vet Fair is Thursday, Oct. 22, 9 a.m. to 4 p.m., at the Cobb Civic Center in Marietta. Veterans, families and caregivers can get help with benefits, health and mental health care, legal services, claims and appeals, and jobs. Entry and parking are free.

For local businesses: Cobb County Government and Cobb County Schools hold How to Do Business with Cobb County on Thursday, Oct. 22, 5:30 to 7:30 p.m., at the Cobb Senior Wellness Center in Marietta. Staff will cover current vendor openings, the Local Vendor Preference ordinance and how to register as a vendor. To sign up, call 770-528-3317.

Cyber Security Day, Friday, Oct. 30, 9 a.m. to 3 p.m., at the Cobb Civic Center. The free event covers spotting and reporting online threats, with the county police Technology-Based Crimes Unit, career advice for students and Georgia's state Chief Information Security Officer, Steve Hodges. Registration is required.

Proposed 2028 SPLOST projects. Cobb's proposed project list for its next special purpose local option sales tax (SPLOST) was built from department and city input, community meetings and a public survey with more than 2,000 responses, and the Board of Commissioners approved it in April. If voters approve it, a 15-member Citizens' Oversight Committee reviews the projects and spending. A county information session is Thursday, Oct. 15, 6:30 to 8 p.m., at the West Cobb Senior Center in Powder Springs. The list, costs and locations are at https://www.cobbcounty.gov/splost, and questions go to SPLOSTComments@cobbcounty.gov.

Election dates. Advance (early) voting runs Oct. 13–30, Oct. 23 is the last day to request an absentee ballot, and Election Day is Tuesday, Nov. 3, with polls open 7 a.m. to 7 p.m. Check your registration, sample ballot and polling place at Georgia's My Voter Page (https://mvp.sos.ga.gov/).

I-285 closures. The Georgia Department of Transportation's I-285 Westside Rebuild has full weekend shutdowns from 7 p.m. Friday to 5 a.m. Monday through the end of the year, except Thanksgiving and Christmas weekends. Planned next: Oct. 16–19 between South Atlanta Road (Exit 16) and South Cobb Drive (Exit 15), and Oct. 12–26 between Cascade Road (Exit 7) and SR 166/Langford Parkway (Exit 5). Detours are on the GDOT project portal.

Board of Commissioners meetings: a regular meeting at 9 a.m. Tuesday, Oct. 13, with a public hearing on a county code amendment; a zoning hearing at 9 a.m. Tuesday, Oct. 20; and a regular meeting at 7 p.m. Tuesday, Oct. 27, with the final hearing and vote on the code amendment. Meetings are in downtown Marietta and stream live on CobbTV and the county's YouTube channel.

Also this month: free Cobb Extension "Creepy Critters" webinars on bats (7 p.m. Oct. 14) and spiders (7 p.m. Oct. 21), an in-person Animal Tracks and Owl Walk at Leone Hall Price Park in Kennesaw (6 to 8 p.m. Oct. 28), the Cobb County Water System's Trick or Treatment tours on Oct. 16 and 17, and fall festivals across the county.

Original source: Cobb County Government weekly newsletter, week of Oct. 12, 2026 (https://www.cobbcounty.gov/). Notice Nearby wrote this brief in its own words. Events can change; check with the county before you go.

What to read next: the Cobb County hub (https://noticenearby.com/ga/cobb), the Georgia hub (https://noticenearby.com/ga) and how to get ready for emergencies (https://noticenearby.com/prepare). Local businesses, parks and places nearby are on ZOST.app (https://zost.app).

Notice Nearby is a Public Register listing, not a newspaper, and this page is not Legal Publication. If Cobb County's official notices and this note disagree, the county wins.