---
title: "Contact Our Service Department | Castle Cadillac McHenry"
source_url: "https://www.castlecadillacmchenry.com/service/contact-service/"
page_path: "/service/contact-service"
page_type: "contact"
crawled_at: "2026-07-27T17:25:31.771Z"
content_changed_at: "2026-07-27T17:13:07.349Z"
content_unchanged_days: 2
observed_days: 2
sitemap_lastmod: "2025-04-29T22:24:42.000Z"
---

# Contact Our Service Department | Castle Cadillac McHenry

Have an automotive question? Our skilled Service staff is here to help. Complete our online contact form, and we'll be in touch.

# Contact Service

- Dealership Info Phone Numbers: Main: [(815) 385-6000](tel:8153856000) Sales: [(779) 265-4431](tel:7792654431) Service: [(779) 265-4436](tel:7792654436) Parts: [(779) 244-4181](tel:7792444181) Sales Hours: Special Hours Labor Day 9/7 9:00 AM - 5:00 PM Thanksgiving 11/26 Closed Christmas Eve 12/24 9:00 AM - 3:00 PM Christmas Day 12/25 Closed New Year's Eve 12/31 9:00 AM - 5:00 PM New Year's Day 1/1/27 Closed Regular Hours Mon - Fri 9:00 AM - 8:00 PM Sat 9:00 AM - 6:00 PM Sun Closed Service Hours: Special Hours Labor Day 9/7 Closed Thanksgiving 11/26 Closed Christmas Eve 12/24 Closed Christmas Day 12/25 Closed New Year's Eve 12/31 7:00 AM - 5:00 PM New Year's Day 1/1/27 Closed Regular Hours Mon - Fri 6:30 AM - 7:00 PM Sat 6:30 AM - 2:00 PM Sun Closed Parts Hours: Special Hours Labor Day 9/7 Closed Thanksgiving 11/26 Closed Christmas Eve 12/24 Closed Christmas Day 12/25 Closed New Year's Eve 12/31 7:00 AM - 5:00 PM New Year's Day 1/1/27 Closed Regular Hours Mon - Fri 7:00 AM - 6:00 PM Sat 7:00 AM - 2:00 PM Sun Closed

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Main (815) 385-6000

Parts (779) 244-4181

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Service (779) 265-4436

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1107 State Rte 31
Mchenry, IL 60050

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