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CENTURY 21 Professionals is an independently owned and operated Century 21 franchise in Braintree, representing buyers, sellers, landlords and tenants across the South Shore. Broker/owner Kimberly Allard, who joined the firm in 1999, says the company traces back to the mid-1980s when Patricia Downing founded CENTURY 21 Downing & Associates, becoming CENTURY 21 Professionals in 2000 when Allard became an equal partner — the website puts total time in business at 40 years, while a BBB profile for the same office lists a 2002 LLP registration and 24 years, so the two numbers don't quite line up. There isn't much of a written track record yet — one 2025 Google review and a 2022 Reddit-tracked multifamily sale are what's on file — but what's there is strongly positive. The 2025 review, from a repeat client on her fourth deal with agent Sonia Ng, describes Ng helping sell a Weymouth condo after a slower market made it harder, on top of three earlier condo purchases together. A Reddit post documents Ng representing the buyer's side of a $1,011,000 Quincy multifamily sale in 2022. The firm holds a BBB A+ grade and carries REALTOR® affiliations at the local, state and national level plus MLS PIN membership. With only a couple of dated data points, it's worth asking for more recent references before committing.
“BUYER’S REP: Sonia Ng – Century 21 Professionals”
Update: After helping me purchase my 3rd condo she was instrumental in helping me offload my Weymouth unit after living there for about 2 years. Market has slowed quite a bit but I really appreciate her helping me with this recent sale! Forever grateful! She is the best! This is my 4th time working with Sonia, she's helped me purchase 3 condos and has helped to sell one... She's really great, intuitive and doesn't overcomplicate things and make things easy for you to understand and communicates very well. She's always available to chat and provide guidance. These types of business dealings usually feel quite transactional but Sonia takes a very personal approach while working with her. I plan to work with her again in the future and recommend anyone looking to buy or sell a home to contact her.
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1 change recorded — last scanned Jul 29, 2026.