Official Municipal Guide

Grayslake Water Department - Pay Bill, Contact, Address & Services

Everything you need for Grayslake — serving 21,248 residents in Grayslake, IL.

πŸ“… Last updated: September 2026 πŸ›‘οΈ Verified Official Sources Only

Grayslake Water Department Address

10 South Seymour Avenue
Grayslake, IL 60030
πŸ’‘

Local Tip: Street parking near Grayslake municipal offices fills up fast before 10 AM. Arrive early if paying in person or drop your check in the after-hours payment box.

Grayslake Water Department Contact

Customer Service

(847) 223-8515

After-Hours Emergency

(847) 223-8515

Office Hours

Mon–Fri 8:00 AM – 5:00 PM

How to Pay Your Grayslake Water Bill Online

1

Visit the Official Payment Page

Go to the Grayslake website. Look for the "Pay My Bill" or "Online Payments" section.

2

Enter Your Account Number

Find your account number on your paper bill (top-right corner). Enter it along with your last name or service address.

3

Choose a Payment Method

Select credit card, debit card, eCheck, or bank draft. eCheck is often free while cards may have a small convenience fee.

4

Confirm and Save Your Receipt

Review the total, submit payment, and save or screenshot your confirmation number. Payments usually post within 1-2 business days.

⚑

Quick Tip: Payments made before 3 PM usually post the same business day. Weekend and holiday payments process the next business day.

Grayslake Water Bill Payment Guide

Complete step-by-step payment instructions, accepted methods, billing tips, and more.

πŸ’‘ Grayslake Insider Tips

Best Time to Call

Lines are shortest right when the office opens. Try calling at 8:00 AM on a Tuesday or Wednesday to skip the queue.

Save on Fees

Grayslake accepts eCheck payments at no extra charge. Card payments may add a $2-3 convenience fee per transaction.

Start, Stop, or Transfer Water Service

Start New Service

Moving into Grayslake? Contact Grayslake at least 3 business days before your move-in date.

βœ“ Valid photo ID required

βœ“ Proof of address (lease or deed)

βœ“ Deposit may apply for new accounts

Stop Service

Moving out? Request disconnection at least 2 business days ahead. You will receive a final bill.

βœ“ Final meter reading scheduled

βœ“ Forwarding address for final bill

βœ“ Deposit refunded within 30 days

Transfer Service

Moving within Grayslake? Transfer your existing account instead of closing and reopening.

βœ“ Same account number kept

βœ“ No new deposit needed

βœ“ Processing: 1-3 business days

Report Water Issues in Grayslake

πŸ”§

Water Leak

Notice water pooling near the street or sidewalk? Call Grayslake immediately. Do not try to access the meter box yourself.

🚿

Sewer Backup

Call your utility before contacting a plumber. Grayslake will check the main line first at no charge if the issue is on their side.

🚫

Service Outage

No water? Check with your neighbors first. If the outage is widespread, call (847) 223-8515 for a restoration estimate.

πŸƒ

Real-Life Tip: Take a quick photo or video of the issue before calling. It helps dispatch prioritize and gives the crew a head start before arriving on site.

Grayslake Water Billing & Fees

Billing Cycle Bi-monthly
Late Payment Penalty 5.00% of balance
Online Card Fee $2-3 (eCheck is free)
Payment Methods
Cards eCheck Cash Check

Grayslake Water Department FAQ

Visit the official Grayslake payment portal online. You can pay with a credit card, debit card, or eCheck. A guest pay option is available if you do not have an online account.

You can reach Grayslake at (847) 223-8515. The office is open during Mon–Fri 8:00 AM – 5:00 PM.

Grayslake is located at 10 South Seymour Avenue, Grayslake, IL 60030.

Yes. Most municipal portals offer a one-time guest payment option. You only need your account number from a recent paper bill.

Many utilities accept past-due payments online, but reconnection timing varies. If your service is disconnected or scheduled for shutoff, call (847) 223-8515 before relying on portal timing.

Call Grayslake immediately at (847) 223-8515. For after-hours emergencies, most departments have a 24/7 hotline. Do not attempt to fix a main line break yourself.

Contact Grayslake at (847) 223-8515 at least 3 business days before your move date. Bring a valid ID and proof of address to start new service.

Explore Water Departments in Other Cities

Was this Grayslake guide helpful?