Oil Change
Synthetic and conventional oil changes done right. Fresh oil, new filter, and a top-to-bottom fluid check while we've got your car on the lift.
3 services
Our Services
Everything your car needs, from oil changes to engine diagnostics, handled in one Fort Collins shop you can trust.
Brakes
Pads, rotors, ABS, fluid. We do the full brake job with quality parts, careful install, and we'll show you exactly why a brake needs (or doesn't need) replacing.
5 services
Heat or A/C
Cold air in July, warm air in January. We diagnose and fix A/C and heating problems: recharges, condensers, evaporators, and the trickier 'why is no heat coming out' kind of jobs.
5 services
Battery
Slow crank? Dashboard battery light? We test free, install fast, and handle starters and alternators if the battery isn't actually the problem.
5 services
Alignment
Pulling to one side? Uneven tire wear? We dial in your alignment, balance, and rotation so your tires last longer and your steering feels right.
4 services
Warning Light
Check engine, ABS, airbag, traction control. We read the codes, find the actual problem (not just the code), and explain what we found before any repair work starts.
6 services
Current Specials
Limited-time savings on maintenance and repairs.
Current Special
$10Off
Synthetic Blend Oil Change
Fresh oil, new filter, and a free fluid check while we've got your car on the lift.
Current Special
$10Off
Full Synthetic Oil Change
Premium full synthetic for newer engines, plus a free fluid check from our team.
Current Special
$100Off
Brake Pads and Shoes
Quality pads, careful install, with a full brake inspection included.
Confirm details with the shop.
Free battery check
$15Off
New Battery
Reliable starts, plus a free battery and charging-system check before you commit.
Why Fort Collins Drivers Trust Mason Street
Photo-backed inspections, plain-English explanations, and warranty-backed repairs, because earning your trust matters more than any single visit.
No-surprise service, step by step
You stay informed before repair work moves forward.
Step 1
Inspect
Our technicians thoroughly inspect your vehicle and document every finding.
Step 2
Explain
You receive photos and plain-English notes so you understand what's going on.
Step 3
Approve
No work begins until you understand the scope and give the green light.
Step 4
Stand behind it
Every repair is warrantied. If anything's not right, bring it back and we'll take care of it.
Certified Expertise
Every job at Mason Street is touched by an ASE-certified technician, the gold standard in our industry. No shortcuts, no apprentices flying solo.
Photo-Backed Inspections
We send you photos and plain-English notes of everything we find. You see what we see, then you decide what to do.
Warranty-Backed Repairs
Every repair is warrantied. If something we fixed doesn't hold up, we make it right. No fine-print games.
Local & Fleet Accountability
We're a Fort Collins shop, owned and run by people who live here. Your neighbors, your fleet, your trust. That's how we measure success.
Community thank-you: 10% off most services for military members, first responders, and seniors 65+.
What Our Customers Say
Honest reviews from real customers across Google, Yelp, and Facebook.
Auto Repair Dictionary
We translate auto-shop jargon into plain English. Browse the terms we hear most so you can talk shop without the guessing.
A
ABS
Anti-lock braking technology that helps prevent wheel lockup during hard braking.
A
Air Conditioning Compressor
A major A/C system component that compresses refrigerant so cool air can be produced.
A
Air Conditioning Condenser
A heat exchanger that helps remove heat from refrigerant in the air conditioning system.
A
Air Filter
A replaceable filter that helps keep dirt and debris out of the engine intake system.
A
Alternator
A charging-system component that helps power electrical systems and recharge the battery.
B
Battery
A vehicle power source that helps start the engine and support electrical systems.
Frequently Asked Questions
Quick answers to common questions about our auto repair services
Payment Options
We accept a variety of payment methods for your convenience
Visa
Mastercard
American Express
Discover
Debit Cards
Cash
Apple Pay
Google Pay
Fleet billing also available for commercial accounts