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New homeowner setup · Ada and Canyon County

New home in the Treasure Valley? Switch it on.

Pick your city for a step by step setup checklist with every phone number. Built for buyers about a week before closing.

By the Good News Realty Group team Last verified

TL;DR

Idaho Power and Intermountain Gas serve the whole valley. Water, sewer, trash and irrigation change by city and sometimes by street, so open the page for your city. File your homestead exemption with your county after you move in, because it does not carry over from the seller.

Same everywhere in the valley

Treasure Valley contacts that apply in every city, last verified October 19, 2026
ServiceWho to callPhoneWebsite
PowerIdaho Power(208) 388-2323tools.idahopower.com
Natural gasIntermountain Gas Company Some areas(800) 548-3679intgas.com
Driver's licenseIdaho driver's license (Idaho Transportation Department)(208) 584-4343itd.idaho.gov
Vehicle title and platesVehicle title and registration (Idaho Transportation Department)(208) 584-4343itd.idaho.gov
Voter registrationVoteIdaho (Idaho Secretary of State)Onlinevoteidaho.gov
Mail forwardingUSPS mail forwardingOnlinemoversguide.usps.com
Irrigation waterIrrigation district lookup (Idaho Department of Water Resources)Onlineidwr.idaho.gov
InternetFCC National Broadband MapOnlinebroadbandmap.fcc.gov

County offices

These offices are the same for every city in the county. Star sits in both counties, so use the one your home is in.

Ada County

Homeowner's exemption (Ada County Assessor)

Takes 50% off the taxable value of your primary home and up to one acre, capped at $125,000.

How to start: File online, by mail, by email or in person. The seller's exemption does not carry over to you.

Lead time: File after you own and live in the home. To count for this tax year, file by the last business day of December.

(208) 287-7200File onlineadacounty.id.gov

Map: 190 E Front St, Suite 107, Boise, ID 83702 Street View

Ada County Treasurer (property tax payments)

Property tax bills and payments.

How to start: If your loan has an escrow account, your lender pays the tax for you. If not, pay online, by mail or in person.

Lead time: First half due December 20. Second half due June 20.

(208) 287-6800Pay onlineadacounty.id.gov

Map: 200 W Front St, Boise, ID 83702 Street View

Ada County mails a separate "missed roll" bill in February when a home changes owners. Watch for it.

Hardin Sanitation (outside city limits, Ada County)

Serves some areas, check your address

Required trash and recycling for homes outside city limits in Ada County. Homes inside a city use that city's hauler.

How to start: Ada County bills this service. Call Ada County Trash Billing at (208) 577-4710 to set up billing. Call Hardin for carts.

(208) 642-2629adacounty.id.govLook up your property

Canyon County

Trash outside city limits (Canyon County)

Serves some areas, check your address

Canyon County has no single hauler for homes outside city limits.

How to start: Sign up with a private hauler that serves your road, or haul to Pickles Butte Landfill. The phone below is the landfill.

(208) 466-7288canyoncounty.id.gov

Map: 15500 Missouri Ave, Nampa, ID 83686

Sources (35) Last verified October 19, 2026

Good News Realty Group has no affiliation with any provider on this page and receives nothing from them. Providers change phone numbers, fees and service areas, so confirm with the provider for your exact address. This page is general information, not legal or tax advice.

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If a provider gives you a different answer than this page, or you are not sure who serves your address, call us. We will help you sort it out.

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