
Maryland’s real estate landscape is a dazzling mix of coastal retreats, historic colonial homes, and sleek urban penthouses. With properties ranging from Chesapeake Bay waterfronts to stately manors in Montgomery County, the state offers a luxurious living experience infused with rich history and modern sophistication.
Let’s dive into five of the most expensive houses in Maryland and see the pinnacle of luxury living in the Old Line State.
5. Potomac, MD – $8,250,000

Located in Potomac’s Round Hill community, Crown’s Grant offers 22,300 square feet of living space with 8 bedrooms and 13 bathrooms. Built with commercial-grade engineering, the estate includes features such as a 50,000-gallon swimming pool, a professional billiards room, wine cellar, full fitness center with spa bath and sauna, and an Otis elevator across its manicured grounds. The property is listed for $8,250,000.
Where is Potomac?

Potomac, Maryland, is an unincorporated community in Montgomery County known for its residential estates and proximity to Washington, D.C. It developed from farmland into a suburban area during the mid-20th century. The Potomac River and nearby parks like Great Falls provide outdoor recreation and scenic views. Potomac Village serves as the community’s commercial and social hub.
Foyer

Light spills across a geometric marble floor where a spiral staircase rises toward a domed ceiling and chandelier. This foyer connects soaring symmetry with curved elegance, bordered by polished columns. A wall of tall arched windows fills the room with sun and draws the eye toward the home’s central gathering space.
Great Room

Step into a gallery-like salon where coral-coffered ceilings hover over multiple seating clusters and intricate wood inlays. The formal living room opens wide beneath a second-floor overlook and frames a classic bar built into the far wall. Smooth transitions from stone to wood help define quiet conversation zones within the airy expanse.
Family Room

Sunlight angles across a vaulted ceiling into a family room designed for warmth and conversation. Deep-toned cabinetry frames a television opposite an ornate fireplace carved in stone. Rounded windows, arched French doors, and a ring of leather seating define this space as the home’s most welcoming hub.
Bedroom

Vaulted lines and soft curves echo across the ceiling of a primary suite that opens onto its own sunlit retreat. A towering bed sits at the center, flanked by stately nightstands and draped in neutral tones. French doors lead into a sunroom, continuing a rhythm of arches and filtered light.
Pool Area

Out back, a crescent-shaped pool stretches between a brick arcade and a tree-lined horizon. The surrounding terrace balances symmetrical landscaping with curved water features and scattered seating. This outdoor retreat brings structured serenity to a scene framed by classic architecture and green open space.
Source: Daniel M Heider @ Ttr Sotheby’S International Realty via Coldwell Banker Realty
4. Lutherville Timonium, MD – $11,700,000

This 9,500 square feet custom home project in Greenspring Valley is designed to offer 6 bedrooms and 9 bathrooms across a private 20-acre estate. Built in collaboration with designer Steven Gambrel and Delbert Adams Construction Group, the property includes two separately deeded building sites, a pond, rock outcroppings, and space for amenities like a pool, guest house, and tennis courts. The property is listed for $11,700,000.
Where is Lutherville Timonium?

Lutherville Timonium, Maryland, is a combined community in Baltimore County made up of two historically distinct areas. Lutherville was founded in 1852 as a planned religious community, while Timonium developed later along rail and highway lines. The Maryland State Fairgrounds, located in Timonium, host the annual state fair and other major events. The area is served by light rail and features a mix of residential neighborhoods, schools, and commercial centers.
Living Room

Wooden ceiling beams frame a cozy living room where a white couch sits between two yellow armchairs. A stone fireplace with a tall mirror above anchors the space, flanked by tall windows and dark curtains. Bookshelves span one side of the room, filled with colorful spines and decor pieces.
Kitchen

Marble countertops wrap around a spacious kitchen lined with gray cabinetry, glass-front shelves, and a large central island fitted with a wooden surface. Pendant lights hang above the island, which is surrounded by five wooden stools. A double oven in bright orange adds contrast beneath the metal range hood on the right wall.
Dining Room

A long rectangular table with seating for twelve sits in the center of the dining room surrounded by teal walls painted with blooming trees and birds. Ornate molding runs along the ceiling, and a large metal chandelier hangs above the table. Light filters through tall windows partially covered by sheer white curtains.
Library / Office

Floor-to-ceiling bookshelves line both sides of a deep blue library, filled with colorful books and decor items. The orange glossy ceiling reflects the soft lighting from the picture lights above the shelves. A fireplace is built into one wall with lounge chairs, a sofa, and a writing desk placed around the room.
Patio

An outdoor seating area is enclosed by a black-framed glass canopy set on a raised stone platform. Cushioned wooden chairs and a matching coffee table are arranged in a square overlooking a tiled pool below. Manicured shrubs and dense hedges enclose the space, creating privacy and shade.
Source: Heidi S Krauss @ Krauss Real Property Brokerage via Coldwell Banker Realty
3. Glyndon, MD – $12,000,000

Upper Melinda, located in Worthington Valley, offers 15,643 square feet of living space with 7 bedrooms and 7 bathrooms. Built in 1940 by architect Louis McLane Fisher, this stone estate sits on approximately 235 acres and features nine fireplaces, a stone terrace, a pool, a recently renovated guest house, and four income-generating tenant houses. The property is listed for $12,000,000.
Where is Glyndon?

Tucked beside horse country and rolling hills, Glyndon, Maryland, took shape in 1871 as a summer escape from Baltimore’s heat. It borders the scenic Worthington Valley, known for equestrian traditions and the Maryland Hunt Cup. Emory Grove, a 19th-century Methodist camp meeting ground, still hosts seasonal gatherings. Locals uphold preservation rules that keep the town’s historic charm intact.
Living Room

Tall ceilings and twin windows define the formal living room, where seating is arranged around a fireplace with sconces and a framed mirror. A green velvet sofa and patterned armchairs anchor the space atop a large Persian rug. Decorative accents and open doorways lead to adjacent rooms, giving the space a central placement.
Lounge

Curved windows frame the sitting room, wrapping around a cream loveseat that sits beneath a large portrait. Patterned drapes and wood-paneled walls create a warm atmosphere, softened by velvet sofas and antique side tables. A central ottoman with a tray completes the symmetrical layout.
Game Room

Wood paneling covers the walls and ceiling beams of the game room, anchored by a billiards table and checker-patterned floors with custom inlays. A cozy lounge area with plaid curtains and framed art lines one wall, while a dartboard and piano rest near the back. Split-level steps lead to a rear entry, adding visual dimension to the space.
Patio

Stone paths and tiered steps connect the patio area to the home, bordered by lush plantings and wrought iron railings. Black outdoor furniture surrounds a small table with open views of the countryside beyond. Shrubbery and mature trees frame the edge of the stone exterior.
Pool Area

Rectangular and set on a sloped lawn, the pool area offers wide views of the valley and farmland beyond. A few stone steps and black lounge chairs sit on one side, blending into the open grassy surroundings. Trees enclose the far end, creating privacy without obstructing the horizon.
Source: Heidi S Krauss @ Krauss Real Property Brokerage via Coldwell Banker Realty
2. Glyndon, MD – $15,000,000

Sunny Hill Farm in Baltimore County, built around 1937, spans 15,895 square feet with 5 bedrooms, 6 full bathrooms, and 1 half bathroom. Positioned on 261 acres, the property features a slate roof, 10 fireplaces, an inground heated pool with hot tub, multiple greenhouses, barns, an orchard, and an 8-car garage. This gated estate is listed for $15,000,000.
Where is Glyndon?

Glyndon, Maryland, is a small historic community located in Baltimore County. It began as a summer resort village in the late 19th century along the Western Maryland Railway. The area is known for its Victorian homes and its designation as a National Historic District. Glyndon maintains a traditional town layout centered around the Glyndon United Methodist Church and community square.
Entry Hall

Curved stairs with white risers rise from the foyer, which features striped wallpaper and antique-style furnishings. A red patterned rug stretches across the wood floor, bordered by soft lamps and carved furniture. Open doorways and arched entries lead to multiple adjacent rooms.
Parlor

Pastel floral fabrics and vintage furnishings fill the parlor, arranged in a circle around a low coffee table. Large windows with swags and valances bring in soft light, while floral-patterned rugs and trim echo the rest of the decor. The room connects to the library through a wide doorway, blending the styles between the spaces.
Dining Room

Bright floral wallpaper fills the dining room, trimmed by green crown molding and a painted fireplace. A long wooden table is surrounded by classic chairs with curved backs, centered beneath a crystal chandelier. Wall sconces, display cabinets, and a large rug tie together the formal setting.
Library

Rich wood paneling wraps the library, paired with built-in bookshelves and patterned drapes framing tall windows. Upholstered armchairs and a green floral sofa center around a wooden coffee table, set atop a multi-color floral rug. A fireplace with ornate sconces and a gold-framed mirror anchors the focal wall.
Bedroom

Blue velvet seating and a carved four-poster bed define the primary bedroom, where a floral canopy and draped valances soften the windows. Pale walls contrast with the patterned blue carpet, and coordinated furniture is arranged throughout. A pair of benches, nightstands, and a highboy dresser add balance to the space.
Source: James D Blum III @ Falcon Properties via Coldwell Banker Realty
1. Bethesda, MD – $18,750,000

Located on a tree-lined street in Bethesda, this expansive estate offers 26,000 square feet of living space with 9 bedrooms and 14 bathrooms, spread across 4 levels. Built with luxury amenities such as a commercial-grade elevator, home theater, spa room, tennis court, koi pond, swimming pool, and multiple garages for 7 cars plus a carport, it rests on a large private lot. The property is listed for $18,750,000.
Where is Bethesda?

Bethesda, Maryland, is an unincorporated community located northwest of Washington, D.C. It developed around a 19th-century church called the Bethesda Meeting House, which gave the area its name. The community is a hub for healthcare and research, home to institutions like the National Institutes of Health and Walter Reed National Military Medical Center. Bethesda also features a dense downtown area with shops, restaurants, and cultural venues.
Foyer

Sweeping curves define the grand foyer, where a double staircase with ornate iron railings wraps around a soaring double-height space. A geometric marble inlay covers the floor beneath a modern chandelier, with tall windows bringing in natural light. A small sitting area and sculptural wall art complete the scene near the main hallway.
Living Room

Tiered lighting and coffered ceilings highlight the expansive living room, centered around multiple seating areas and a round coffee table. A built-in wine wall stretches across the back, beneath a mezzanine-level library lined with shelves and glass railings. Warm wood accents and bold art pieces contrast the crisp walls and polished floors.
Dining Room

Full-height wood-framed windows and doors wrap the dining room, where a long rectangular table seats up to fourteen. Two artistic chandeliers hang above the glossy surface, surrounded by richly upholstered chairs. Sculptural decor, a curved buffet, and potted greenery finish the formal yet open space.
Library

Dark wood shelving runs the length of the library mezzanine, filled with books and framed by a sleek glass balustrade. A pair of red chairs sit in the reading nook at the far end, positioned by the windows. The space overlooks the main living room, offering a quiet perch with natural light.
Spa Room

Sloped ceilings and recessed lighting add a calming atmosphere to the spa room, where a massage table sits near large glass doors leading to a balcony. Built-in wooden shelving spans the wall opposite, flanked by a modern facial station and rolling storage. Pale stone tile covers the floor, complementing the clean, white walls.