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4199 20th Avenue, 
Bay Saint Louis, MS 39520

$438,500


3

Beds


3

Baths


1,287

Sq Ft


Single Family

Coming Soon

Listed by

Sandy E Walsh

Allied Realty Coastal Homes

228-220-1294

Last updated:

September 7, 2026, 03:11 PM

MLS#

4160725

Source:

MS UNITED

About This Home

4199 20th Avenue

Waterfront new construction in Bay St. Louis! Currently under construction with an anticipated completion date of November 30, 2026, this thoughtfully designed 1,287-square-foot, 3-bedroom, 3-bath home offers a functional layout with plenty of space for family and guests. The floor plan features a primary suite, a second private suite, and an additional guest bedroom with access to a third full bath—making it an excellent option for a primary residence, weekend getaway, or coastal retreat. Get this one under contract early and take advantage of the opportunity to choose select paint colors and/or flooring, subject to the stage of construction and builder allowances. The home will feature stainless steel appliances, crown molding, a mid-deck, downstairs storage room, and private boat dock. Enjoy waterfront living with space to relax, entertain, fish, and keep the boat just steps from home. If you've been looking for an affordable new construction waterfront home in Bay St. Louis, this is an opportunity you don't want to miss. Secure it now and watch your new coastal home come to life!

Home Facts

Single Family

3 Baths

3 Bedrooms

Built in 2026

Subdivision & Development:

Shoreline Park

Price Summary

438,500

$340 per Sq. Ft.

MLS #:

4160725

Last Updated:

September 7, 2026, 03:11 PM


Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

3

Interior

Living Area:

1,287 Sq. Ft.


Structure

Structure

Building Area:

1,287 Sq. Ft.

Year Built:

2026


Lot

Lot Size (Sq. Ft):

4,791


Finances & Disclosures

Finances

Price:

$438,500

Price per Sq. Ft:

$340 per Sq. Ft.

Source:MS UNITED
The information being provided by MLS United is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 MLS United All rights reserved. MS UNITED Member Broker: Karen Suzanne Martin

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.