Plumbing & Heating Done Right.
Fast, honest service from a family-owned team. Same-day appointments, transparent pricing, and craftsmanship you can trust.
- Same-Day / Next-Day Service
- 5-Star Rated
- Family-Owned & Operated
- 10% Off Your Next Service

What we do
Full-service home comfort
From a leaky faucet to a full boiler replacement, we handle it all with the same attention to detail.
Plumbing
Repairs, repipes, fixture installs, drain cleaning, and leak detection — done right the first time.
Heating
Boiler service, radiator repair, and heating system diagnostics to keep your home warm all winter.
Cooling
Ductless mini-split installs and AC service that keeps your family comfortable through New England summers.
Safety Inspections
Thorough inspections of plumbing, gas, and heating systems for peace of mind and code compliance.
High-Efficiency Water Heaters
Tank and tankless water heater installation and replacement using top-rated, high-efficiency units.
High-Efficiency Boilers
Modern boiler installations that cut energy bills and deliver reliable, even heat throughout your home.

Why Mystic Valley
Your neighbors. Your trades.
Owned by Matt Sullivan, a Minuteman Tech grad, we know the quirks of Arlington's older homes and the value of getting things right the first time.
- Licensed Massachusetts plumbers & gas fitters
- Fully-stocked trucks — most repairs same visit
- Upfront, honest pricing before we begin
- Clean, respectful in-home service every time
"Matt and the team replaced our old boiler in a single day. They were on time, spotless, and the quote was exactly what we paid. Best contractor experience we've had."
— Sarah K., Arlington MA
Proudly serving

Meet the owner
About Matt Sullivan
A proud graduate of Minuteman Technical High School in Lexington, Matt turned an early love of the trades into Mystic Valley Home Services. Every job — a fixed leak, a new boiler, a warm home in January — reflects the values he's carried since day one.
Matt personally oversees every project to make sure it's done to the highest standard. When you call Mystic Valley, you get a neighbor who cares about your home as much as you do.
From the blog
Tips & guides from our team

July 29, 2026
Best TFSullivan.com Alternatives: Shortlist for Homeowners
Discover the best tfsullivan.com alternatives for homeowners. From reliable regional firms to multi-trade contractors, find your perfect match!
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July 28, 2026
Commercial Building Water Conservation Tips for MA Owners
Discover essential commercial building water conservation tips to cut costs and improve efficiency. Start saving water and money today!
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July 27, 2026
Upgrade Your Restaurant Plumbing System: A Manager's Guide
Ready to upgrade your restaurant plumbing system? Start with a master-plumber assessment for a smooth, budget-friendly installation.
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Book a service call or request a free quote — most requests answered the same day.