About Us

• About Prosperity Mansion We invite you to experience the tranquility of acres of open fields and mature trees. Visit the neighboring vineyards, explore the areas national parks, zoo, battlefields, and the historic Frederick downtown area. Perfect not only as a wedding venue but also great for any type of event hosting. What Others are Saying About us Kelly C - Baltimore, MD. “I thought that the Mansion House and surrounding property was enchanting. We had a small event inside in the main homes garden and loved the ambiance. You will too !” Paul A - Fredrick, MD. “I thought that having our wedding in the country was especially nice. Gone are the days of hotel wedding receptions. Being outside with nature was an experience that I will always remember.” WHAT'S INCLUDED at Prosperity Mansion & Farm? A state of the art, 40 X 80 foot tent with sky lights and french style doors on all sides, built on a patio 60” round tables that seat 8 (200 guests) White folding chairs (200) Usage of any of our decorations Edison lights in the ceiling of the tent. Chandelier Twinkle lights all around the sides of the tent Wedding Arbor made by the Amish Complimentary use of the romantic wedding cottage for the entire day 250 year old doors from Egypt in the gardens for the bride to enter through on her way to the wedding arbor. Man Cave, with fire pit, whisket barrel bar, games and dressing room Use of all the grounds, patios and formal front porch - 20 acres Lights in the trees You may hire your own caterer You may BYOB Parking attendants Antique French Wedding Table Antique French Cake/Dessert table Fire pit with benches- You may use our s'mores table Whiskey barrels for décor One event per day Corn hole and yard games for guests Restroom Trailer Handicapped accessible Where is Keymar, Maryland? We are located in Frederick County Maryland and on the border of Carroll County. Twenty-five minutes from downtown Frederick and Westminster. ​15 minutes from Gettysburg PA, 30 minutes from Littlestown, PA. 1 hour from Baltimore City, Montgomery County, Anne Arundel County and Howard County, Maryland 1.25 hours from Washington, D.C., Local hotels 15 minutes away. Save thousands and enjoy the serene drive in the countryside. It's where a rustic, country wedding should be. Let your dreams come true at Prosperity Mansion & Farm. ​The Historic Stone Manor House was Established in 1794+ If you love history, this is the place. The town of Keymar is an example of an eighteenth century mill village that evolved into a small town with the coming of the Western Maryland Railroad. It is believed that Abraham Lincoln visited here. He was a close friend of the owners and Lincoln referred to him in his writings. Prosperity Mansion and Farm is set in the beautiful countryside of Frederick Maryland and on the boarder of Carroll County. Our venue offers a wonderful blend of historic detailing and modern amenities. Enjoy a private setting with a small town feel. Experience the tranquility of acres of open fields, mature trees and rolling hills. Offering gracious gardens, patios and fountains for outdoor entertaining. The picturesque setting is the perfect backdrop for your weddings. Specializing in Rustic, Country, Farm, and Garden style weddings sprinkled with elegance and romance. Sue B - Baltimore, MD. “I couldn't decide if I wanted an indoor wedding or outdoor. It was great and the Prosperity Mansion was the right place for us. ”