Welcome to DeMark Auto Inc.,
your car service in Caldwell, ID!
If you’re looking for auto repair in Caldwell, ID, you’ve found us. Here at DeMark Auto Inc. we work hard to earn your trust and loyalty. We know how important it is to find a Caldwell car service you can rely on, so your satisfaction is our top priority each and every day.
Here at DeMark Auto Inc. we understand what makes customer service truly outstanding. You will feel the difference exceptional customer care makes when you work with us. We know auto repair in Caldwell offers you lots of choices, and we aim to provide the kind of caring customer service that will bring you back.
Our professional automotive service offers you years of combined expertise from our well-trained technicians. We treat our auto repair professionals well because we value their skill and can-do attitude. We know our team sets us apart, saving you time and money, not to mention worry. When it comes to auto repair in Caldwell, we are totally confident that DeMark Auto Inc. is the best option in town!
Address
DeMark Auto Inc.
603 Hannibal St
Caldwell, ID 83605
(208) 459-3468
Shop Hours
Mon-Fri: 8:30am-5pm
Sat-Sun: Closed
Directions
Payment Types





Affiliates & Certifications




About DeMark Auto Inc. Caldwell, ID
For years DeMark Auto Inc. has been there for the people of Caldwell. We love what we do, and that basic fact fuels our business. We are dedicated to our customers, and that’s why they stick with us—the best auto repair Caldwell has to offer.
Our family of technicians and service staff sees their work here at DeMark Auto Inc. as more than a job. It’s their vocation and livelihood. Each member of our team is invested in your satisfaction.
DeMark Auto Inc. was founded on the basic idea that everyone deserves respect. It is our mission to treat each person that comes through our door with dignity and sensitivity. We believe this attention to detail has paid off by providing us with our loyal, friendly family of customers. That’s what makes DeMark Auto Inc. the best car service in Caldwell!
Are you ready to experience the best Caldwell car service available? Please give us a call or make an appointment here.
The Absolute Best Car Service in Caldwell, ID
What sets DeMark Auto Inc. apart from all of the others in Caldwell, ID?
Trust: When it comes to auto repair in Caldwell, ID, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.
Talent: At DeMark Auto Inc., you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the Caldwell auto repair table.
Time: We take the time we need to provide you with top quality car service in Caldwell, ID, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.
Recently Serviced Vehicles
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2016 Chevrolet Cruze
Mileage113,117Service Date6/10/2026Services Performed- PERFORMED 25 POINT INSPECTION
- Filter and oil change complete
- CARD FEE
NIKI C. gave our service a 5 star review on 6/10/2026 -
2010 Dodge Pickup
Mileage138,730Service Date5/12/2026Services Performed- PERFORMED 25 POINT INSPECTION
- Vehicle seems to pull to the right. Front end components are tight. Found both right tires are wearing very uneven and/or separating. Replace tires and recheck.
- PINION SHAFT SEAL – Remove & Replace – R2500, R3500 Full Floating Rear Axle
- TIMING COVER &/OR GASKET – Remove & Replace – R3500 Front
JENNIFER S. gave our service a 5 star review on 5/13/2026 -
2022 Chevrolet Silverado 1500
Mileage103,212Service Date3/3/2026Services Performed- PERFORMED 25 POINT INSPECTION
- Change oil and filter. Inspect and top off fluids. Check for grease fittings.
JAMES O. gave our service a 5 star review on 3/6/2026 -
2024 GMC Sierra 3500 HD
Mileage16,767Service Date2/16/2026Services Performed- PERFORMED 25 POINT INSPECTION
- CHANGE OIL AND FILTER- DIESEL- Includes check fluids and grease fittings
- CARD FEE
TIM W. gave our service a 5 star review on 2/17/2026 -
2005 Pontiac Grand Am
Mileage119,375Service Date2/2/2026Services Performed- PERFORMED 25 POINT INSPECTION
- Found sunroof drain plugged. Unplugged drain and retested. Now water goes out drain as it is supposed to.
MARSHALL H. gave our service a 5 star review on 2/2/2026 -
2021 Chevrolet Trailblazer
Mileage69,078Service Date1/30/2026Services Performed- PERFORMED 25 POINT INSPECTION
- P0300 engine misfire detected, p050D cold start rough idle. Found coolant level low. Removed spark plugs and noticed cylinder 2 was cleaner than cylinder 1 and 3. Pressurized cooling system and observed coolant entering cylinder 2.
- CARD FEE
CLAYTON H. gave our service a 5 star review on 1/30/2026 -
2014 Ford F-150
Mileage162,899Service Date1/27/2026Services Performed- PERFORMED 25 POINT INSPECTION
- P2112 throttle actuator a stuck. Recommend replacing throttle body and performing a relearn.
- Turbos leaking oil. Found loose hose clamp on turbo intake pipe. Recommend resealing turbos.
- CHANGE OIL AND FILTER- Includes inspect all fluids, and grease all zerks
- WHEEL HUB &/OR BEARING – Remove & Replace – 4WD Front,One Side
- THROTTLE BODY &/OR GASKET – Remove & Replace – 3.5L Eng
- TIRE ROTATION
HERMAN M. gave our service a 5 star review on 1/29/2026 -
2019 Genesis G70
Mileage47,403Service Date1/19/2026Services Performed- PERFORMED 25 POINT INSPECTION
- Change oil and filter. Inspect and top off fluids. Check for grease fittings.
TERESA C. gave our service a 5 star review on 1/19/2026 -
2019 GMC Canyon
Mileage143,676Service Date1/19/2026Services Performed- PERFORMED 25 POINT INSPECTION
- Change oil and filter. Inspect and top off fluids. Check for grease fittings.
- FUEL FILTER – Remove & Replace – 2.8L Eng Filter,Frame Mounted
- CARD FEE
ROBERT C. gave our service a 5 star review on 1/19/2026







