43.0731° N · 70.7626° W · NH & ME Seacoast
Where the Coast
Meets Home.
Expert real estate guidance across Dover, Portsmouth, Somersworth, Rochester, and Berwick — with the local knowledge that only comes from living here.
55
Transactions Closed
5.0★
Zillow Client Rating
View on Zillow →
8 Yrs
Years of Experience
$20M+
Total Career Volume
Keller Williams
Coastal & Lakes · Mountains
Your Dedicated
Seacoast Expert
Arllen Susanto is a high-performing real estate professional with 8 years of experience and 55 successful transactions across the Seacoast region of New Hampshire and Southern Maine. Working under the prestigious Keller Williams Coastal brand, she combines national reach with deep local roots in Strafford and York County markets.
Known for her 24/7 responsiveness and expert negotiation skills, Arllen is committed to client education — ensuring first-time buyers and seasoned investors alike navigate the 2026 market with confidence. Her personal background in property investment gives clients an insider advantage when identifying high-ROI opportunities.
43.0718° N, 70.7626° W
PortsmouthNH
Historic waterfront city with vibrant dining, arts, and coastal living.
43.1979° N, 70.8737° W
DoverNH
NH's fastest-growing city — revitalized mill district, great schools, and community.
43.2537° N, 70.8737° W
SomersworthNH
Arllen's #1 market by sales volume — 11 closed transactions. Affordable Seacoast living with a tight-knit community and easy commute access.
43.2982° N, 70.8584° W
BerwickME
3 closed transactions in Berwick. Maine charm, more space for the price, and easy NH Seacoast access.
New Listings Coming Soon
Arllen is actively working with buyers and sellers across the Seacoast. Contact her today to get early access to upcoming listings or to list your property.
What Is Your
Home Worth Today?
The Seacoast market has seen significant appreciation. Get a personalized, no-obligation home valuation from Arllen — backed by real local data, not algorithms.
Get My Free ValuationWhat Clients
Are Saying
"Arllen is great! She's very helpful and understands what we want. She explained everything before we bought a house, she works so fast, and she is a good listener."
Verified Client
NH Seacoast · Buyer
"Arllen Susanto is the BEST realtor I ever came across with. She's really helpful and patient when it comes to answering our questions. She never disappoints."
Verified Client
NH Seacoast · Buyer
"Working with Arllen was an incredible experience. She guided us through every step of the buying process with patience and professionalism. Her local knowledge of the Seacoast market is second to none."
Verified Client
NH Seacoast · Buyer
ARLLEN SUSANTO · KELLER WILLIAMS COASTAL AND LAKES & MOUNTAINS REALTY
NH Seacoast Market Report: Spring 2025 Outlook
Inventory remains tight across the Seacoast region as buyer demand continues to outpace supply. Here's what buyers and sellers need to know heading into spring.
Why Dover, NH is the Seacoast's Best-Kept Secret
Ranked among NH's best cities, Dover offers revitalized downtown energy, excellent schools, and home prices more accessible than neighboring Portsmouth.
First-Time Buyer's Guide to the NH & ME Seacoast
From understanding local market dynamics to navigating NH's no-income-tax advantage, here's everything first-time buyers need to know about the Seacoast.
Let's Find Your
Perfect Home
Whether you're buying, selling, or simply exploring — Arllen is here to guide you every step of the way.