
Bill Underdown of CENTURY 21 Affiliated
(5) 86 RatingsAwards
- 2024 - CENTURION®
- 2024 - Quality Service Producer
- 2023 - CENTURION®
- 2021 - CENTURION®
- 2020 - CENTURION®
- 2020 - Quality Service Producer
Professional Designations
- Accredited Buyer Representative
- Commercial Specialist
- Fine Homes and Estates Specialist
Headline
Why Bill Stands Out
Hobbies
I enjoy travel, history, culture and area orientation. My network includes local culinary experts and the hospitality industry. I am also an International travel tour leader.
Other Awards & Recognition
Sales Awards include Emerald, Ruby & Customer Service.
Personal Profile
• Top-tier awards & designations
Bill earned back-to-back CENTURION® awards (2020-2024) and multiple Quality Service Producer awards.
• Specialized expertise
He's an Accredited Buyer Representative and a specialist in Commercial and Fine Homes & Estates - ideal for luxury and investment properties.
• Local roots & community leadership
With ~18 years in the region and deep ties to local culture and government - board memberships and sponsorships - he's fully connected in the community.
• Proven track record
Over $78 million in closings across 133 transactions over the past five years, ranging from modest homes to $5.6M estates. He's completed 20 sales just in the past 12 months.
Clients highlight Bill's strong communication, strategic marketing, and stress-free processes:
"Bill is extremely knowledgeable and well-connected… His proactive approach shortened the sale cycle"
"He excelled in sales/marketing, networking, mentoring and volunteering"
Another shared, "Local realtors know the market best…and we would absolutely recommend Bill"
• Areas Served: Saugatuck, Douglas, South Haven, Holland, Fennville
Specialties Include:
• Vacation & second homes
• Investment & rental properties
• Luxury estates and commercial spaces
• First-time buyers, senior downsizing, military families
• Office: 62 Center St, Douglas MI
• Phone: (313) 824-2000 (calls/text)
• Email: billunderdown@gmail.com
Specializations
Transition expert specializing in second homes, vacation homes, investment properties, relocation, upgrades and downsizing.
Locations Served (6)
Client Reviews
5 out of 5
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Seller reviewAs always a pleasure to deal with
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Buyer reviewBill is very easy to work with...he's very knowledgeable of the Douglas/Saugatuck area. He helped us find the perfect vacation home. We love that he lives in the area so he is an invaluable resource. I would recommend Bill to anyone who is looking in the area. He's very personable and he was a pleasure to work with.
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Seller reviewHighly recommend Bill Underdown as the agent to contact if you are ready to sell or buy. Once again, very pleased!!!
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Buyer reviewFirst class service

Get in touch with Bill Underdown
(5) 86 RatingsCENTURY 21 Affiliated
62 Center St.
Douglas, MI 49406
Mobile:
(313) 824-2000
Office:
(269) 857-2121
Fax:
(269) 857-2755