ConnecticutDarienSonia Byrnes
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Sonia Byrnes

William Raveis
14 years of experience
6 sales in last 12 months
100 transactions all-time

Achievements

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Top Listing Agent 2025
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Top Buyer's Broker 2025
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Top Luxury Buyer's Agent 2025

Business Highlights

14 years in business

14 years in business

24/7 availability

24/7 availability

Luxury home specialist

Luxury home specialist

First time buyers

First time buyers

References available

References available

21 years in the industry
Covers all of Fairfield County
Concierge level of service
Excellent communication

About Sonia

About
Sonia Byrnes brings over 20 years of real estate experience and a proven sales record in Fairfield County and New York City. After beginning her career at The Corcoran Group in Manhattan, Sonia moved to Darien in 2012 and established a successful business throughout Darien, New Canaan, Fairfield, Westport, Norwalk and surrounding communities. Known for her market knowledge, attention to detail and personalized approach, Sonia is dedicated to helping buyers and sellers navigate every step of the real estate process. She understands that each client has unique goals and priorities and prides herself on being accessible, adaptable and a trusted advisor. Originally from the Philadelphia area, Sonia graduated from Vanderbilt University with degrees in Sociology and Art History. Before entering real estate, she worked in fashion marketing at Macy's and Perry Ellis. Sonia lives in Darien with her family and is actively involved in the community.
Hobbies
Travel, Sports, Food & Cooking, Family, Animals, Community Activities, Entertaining

Professional Information

Brokerage

William Raveis

22 Old Kings Highway North

Darien, CT 06820

Real Estate License
0796002 (Connecticut), Salesperson
Languages
English
Service Areas

Specialties & Awards

Overview

Sonia Byrnes is a trusted Fairfield County real estate professional known for her market expertise, personalized service & proven sales record. She guides buyers & sellers with dedication, attention to detail, and a commitment to exceptional results.

Specialties

First Time Buyers
Buyer Representative
Luxury Properties
New Construction
New Homes
Concierge Services

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