Trusted by Mystic families since day one

File with confidence and keep more of your hard-earned money

From W-2s to small business returns, we handle the paperwork so you can focus on what matters — your family, your business, and your peace of mind.

IRS Authorized E-file Provider
100% Accuracy Guarantee
Seaport Tax Services office in Mystic, Connecticut
Your Local Tax Experts

Personalized attention for every return

No cookie-cutter approaches. We take the time to understand your unique financial situation and find every deduction you deserve.

Explore our services
$2.4M+ Refunds Filed Last Season
500+ Families Served
48hr Fast Turnaround

Tax services tailored to your situation

Whether you're an individual, a family, or a business owner, we provide the expertise you need to file with confidence and keep more of your money.

Individual Tax Returns

From simple W-2s to complex situations with investments, rental income, or self-employment — we maximize your refund every time.

Learn more

Small Business Taxes

LLCs, S-Corps, partnerships — we handle business returns, payroll tax guidance, and quarterly estimates so you stay compliant and save.

Learn more

Year-Round Tax Support

Tax season isn't just January through April. We offer ongoing support, amendments, and IRS correspondence help all year long.

Learn more

Real Estate & Rental Income

Property owners, we understand the complexities of rental income, depreciation, and 1031 exchanges. Get the deductions you're entitled to.

Learn more

Family & Estate Planning

Navigating life changes? We help with filing for dependents, estate tax considerations, and planning for major financial milestones.

Learn more

IRS Resolution Services

Unpaid taxes, audits, or notices? We'll communicate with the IRS on your behalf and work toward a resolution that works for you.

Learn more
Downtown Mystic Connecticut waterfront
Tax preparation documents on desk
15+ Years serving
Mystic & surrounding areas

Your neighbors in tax prep — right here in Mystic

Seaport Tax Services was born from a simple belief: everyone deserves a tax professional who treats their return like it's their own. Located on Masons Island Road, we've been serving the Mystic community and surrounding areas for over 15 years.

We're not a franchise. We're not a call center. When you walk through our door, you meet Cheryl and a team that knows your name, remembers your situation, and genuinely cares about getting you the best outcome possible.

Free initial consultation for new clients
Flat-rate pricing — no surprise fees
Evening and weekend appointments available
Electronic filing for faster refunds
Schedule a Visit

The difference is in the details

We've built our reputation on treating every client like a neighbor — with honesty, care, and a genuine commitment to your financial well-being.

01

We find deductions others miss

Our team stays current on tax law changes so you don't have to. We comb through every line to ensure you're getting the maximum refund you deserve.

02

No judgment, just solutions

Life happens — missed deadlines, unexpected income, complicated life events. We've seen it all and we're here to help, not to judge.

03

Transparent pricing from the start

You'll know exactly what your return costs before we begin. No hidden fees, no surprise charges, no pressure to buy add-on services.

04

Local, accessible, and always friendly

Walk in, call, or email — we respond quickly and we're easy to reach. No waiting on hold for 30 minutes. Just real people who care.

What our clients say about us

Don't just take our word for it — hear from the families and businesses we've had the privilege of serving.

"I've been coming to Seaport for years now and I wouldn't go anywhere else. Cheryl takes the time to explain everything and always finds deductions I didn't even know existed. My refund has been bigger every single year."

Mystic Resident Individual Tax Client

"As a small business owner, taxes were always a source of stress. Seaport Tax made it simple. They handle my quarterly estimates, payroll, and annual return — everything. I finally sleep better at night."

Local Business Owner Small Business Client

"I had an IRS notice and was panicking. Cheryl not only handled the correspondence for me but explained exactly what was going on in plain English. I walked away relieved and actually understood my situation."

Groton Resident IRS Resolution Client

Ready to file with confidence this season?

Schedule your free consultation today and discover how much you could be getting back. No obligation, no pressure — just honest tax advice from your neighbors in Mystic.

Let's talk about your taxes

Have questions or ready to get started? Reach out however is most convenient for you. We respond quickly and we're happy to help.

Phone 860-536-8299
Address 14 Masons Island Rd Unit 11
Mystic, CT 06355
Hours Mon–Fri: 9am–6pm
Sat: By appointment

Send us a message

Fill out the form below and we'll get back to you within one business day.

Message sent!

Thanks for reaching out. We'll get back to you within one business day. In the meantime, feel free to call us at 860-536-8299.

Is this your business?This is my business