Mark Costello

Weatherford, Texas

Top DFW Realtor | 100+ 5-Star Reviews | Full-Service Real Estate

We’re Mark and Brandy Costello, a Weatherford-based husband-and-wife real estate team serving Parker County and the greater DFW area. Originally launched in North Dallas (Collin County), we’ve built a track record that places us in the top 10% of agents across DFW, backed by over 100 five-star reviews from clients who value our personal, hands-on approach.

While our primary focus is residential real estate, our expertise also covers farm and ranch properties, light commercial transactions, and multi-family investment sales and leasing.

Mark’s experience in residential and commercial construction and renovations provides clients with insights most agents simply can’t offer. Brandy’s background in property appraisal and eye for design help clients envision the full potential in every home or investment.

For investor clients, we offer a true full-service experience. The Costello Group is supported by Costello Property Management, providing comprehensive property management services for single-family and multi-family portfolios — ideal for clients looking to expand and protect their investments.

When you choose us, you work directly with us. We don’t delegate your journey to assistants or pass you off mid-process. From start to finish, we handle every detail with clear communication, personal attention, and proven experience.

We’re also the proud parents of three boys, and we understand how life-changing real estate can be — it transformed our family’s future, and we’re passionate about helping it transform yours.

 

Our commitment is to deliver the most current market data available, and we pride ourselves on being a team of caring, knowledgeable professionals dedicated to guiding you through every step of buying or selling your home.

Newest Listings

$2,150,000
5 Beds ⋅ 4 Baths ⋅ 21341917 MLS
Experience breathtaking views of Lake Lewisville from this secluded 2.48-acre waterfront estate, on a private road, minutes from the Dallas North Tollway, PGA Headquarters and the newly opened Universal Theme Park in Frisco! This 5-bed, 4-bath home features an open floor plan with bay windows and an upper-level guest suite highlighting the panoramic views of nature at it's best. The manicured lawn with ample shade trees provides the perfect setting for relaxed lakeside living, boating, fishing and outdoor gatherings. This enchanting location is your perfect oasis, blending the tranquility of country life with city convenience!

679 Doe Creek Rd, Little Elm
$2,599,999
6 Beds ⋅ 7 Baths ⋅ 21337393 MLS
Brand new luxury waterfront retreat offering the ultimate Possum Kingdom Lake lifestyle with exceptional short-term rental potential. Perfectly positioned on one of the lake's most desirable shorelines, this newly completed barndominium sits on approximately 60 feet of deep, year round water and features a rare maximum sized 2,000 sq. ft. covered dock, creating the perfect setting for boating, fishing, swimming, and unforgettable weekends on the lake. Designed for entertaining, the nearly 5,000 sq. ft. home offers 6 bedrooms, 6 full baths, and 1 half bath with an open concept layout that comfortably accommodates large families, corporate retreats, or vacation guests. The chef's kitchen showcases commercial grade appliances, an oversized island, granite countertops, abundant seating, and flows seamlessly into expansive living and dining areas overlooking the water. Upstairs is an entertainer's dream featuring an enormous game room complete with a full wet bar, pool table, shuffleboard, surround sound wiring, and a massive covered balcony with panoramic lake views. Spacious bedrooms, multiple ensuite baths, smart home technology, luxury vinyl plank flooring, and premium finishes provide comfort for every guest. Outside, enjoy covered patios, outdoor grilling area, fire pit, oversized parking, and direct access to one of Texas premier recreational lakes. Site plan includes location for lakeside swimming pool. So whether you're creating lifelong family memories or building a high performing vacation rental portfolio, this turnkey property delivers both luxury and income potential in one of Possum Kingdom's premier waterfront locations.

4971 Hawk Rd, Possum Kingdom Lake
$2,200,000
3 Beds ⋅ 3 Baths ⋅ 21336545 MLS
Experience the quintessential Mediterranean lifestyle in this stunning waterfront estate, perfectly perched on a nearly acre-sized lot (0.81 acres) on Eagle Mountain Lake. The architecture captures a timeless European elegance, blending classic stucco finishes with the breezy, indoor-outdoor flow characteristic of coastal Italy and Spain. With 3,570 square feet of refined living space, this 3-bedroom, 2.5-bathroom home offers expansive views of the water. From the private, gated-feel to the outdoor entertainment area, this is a 'trophy property' designed for both grand entertaining and quiet, sun-drenched retreats. Bonus waterfront Casita providing a versatile 'getaway' space right at the water’s edge. Whether you’re hosting guests in the main house or enjoying a sunset cocktail from the casita porch, the seamless indoor-outdoor flow and classic Mediterranean styling make this property a true waterfront gem in Twin Points West.

8300 Samora Ct, Fort Worth
$2,799,000
7 Beds ⋅ 8 Baths ⋅ 21340544 MLS
Nestled within the prestigious guard-gated community of Point Noble overlooking Grapevine Lake, this extraordinary estate redefines luxury living. Offering 7 bedrooms, 6 full baths, and 2 half baths, the home welcomes you with a grand entry showcasing dramatic double curved staircases and timeless elegance throughout. Formal living and dining rooms are designed for memorable entertaining, while the executive study with custom built-ins creates the perfect work-from-home retreat. Walls of windows frame picturesque views in the spacious family room, complete with balcony access for seamless indoor-outdoor living. The gourmet kitchen is a chef’s dream featuring a center island, dual sinks, dual dishwashers, gas cooktop, double ovens, pot filler, and built-in refrigerator. The private primary suite is a true sanctuary with its own sitting room and fireplace, plus a spa-inspired bath with jetted soaking tub, oversized shower with shower body sprays and 3 custom walk-in closets with a private washer & dryer. An elevator provides convenient access to every level of the home. The walkout basement is built for entertainment and relaxation with a tiered floor media room, expansive game room, exercise room with wet bar and sauna, a spacious guest suite and an additional bedroom. Upstairs, you’ll find 3 spacious bedrooms with walk-in closets along with a second game room overlooking the property. What feels like a Hill Country resort is actually your own backyard, complete with sparkling heated pool and spa, fire pit, and full sport court for basketball and tennis. The covered patio with built-in grill is perfect for relaxing and entertaining. A charming detached casita offers a full kitchen and bathroom, ideal for guests, extended family, or multigenerational living. Surrounded by mature shade trees and accented by balconies overlooking the treetops and lake, this is the lifestyle you’ve always imagined.

1501 Noble Way, Flower Mound
$1,925,000
3 Beds ⋅ 2 Baths ⋅ 21340147 MLS
Welcome to one of Eagle Mountain Lake's most extraordinary waterfront estates, where luxury, privacy, and breathtaking natural beauty come together on 2.6 secluded acres with approximately 700 feet of shoreline—the largest privately owned shoreline on the lake. Tucked behind a private gate and surrounded by more than 60 mature trees, this remarkable property offers a rare sense of peace and exclusivity, creating the feeling of your own private waterfront resort. Thoughtfully reimagined with an extensive luxury renovation, every detail has been carefully curated to blend timeless design with modern comfort. Premium upgrades include a new roof, HVAC, exterior insulation, board and batten siding, luxury European Cortizo windows and doors, large-format designer tile, fresh interior and exterior paint, custom cedar soffits, gutters, an expanded living area, rebuilt covered patio, and spacious deck overlooking the water. Outside, the estate is designed for unforgettable gatherings and everyday relaxation. Lounge in the luxury swim spa, gather around the fire pit, entertain from the outdoor grilling station, or stroll along natural stone pathways leading to the shoreline. The beautifully landscaped grounds feature fruit trees, a 14-zone irrigation system, upgraded fencing, enhanced electrical service to the boat dock, outdoor lighting, security cameras, septic upgrades, and ample parking. Foundation and plans for a future guest house provide endless possibilities. Wake each morning to panoramic open-water views, spend your days boating, fishing, paddleboarding, or simply enjoying spectacular sunsets from your own backyard. With no HOA, this is more than a home—it's a private lakeside sanctuary designed for generations of memories. Properties of this caliber rarely become available. Offering unmatched shoreline, exceptional privacy, luxury renovations, and a lifestyle that cannot be replicated, one of the most remarkable waterfront opportunities on Eagle Mountain Lake.

7250 Briar Rd, Azle
$1,149,000
4 Beds ⋅ 4 Baths ⋅ 21339687 MLS
Wakeup to panoramic lake views, experience luxury waterfront living w this exceptional 2020 custom built home in The Gated Community of Sunset Bay on beautiful Lake Bridgeport on 1.01 Acres w 101 ft of private shoreline,a private dock w electric pontoon lift,and the peaceful lifestyle that makes waterfront living so special.Designed to capture the lake from nearly every angle,this thoughtfully crafted 4bedrm,3.5 bath,3,030 sqft,soaring 10ft ceilings,expansive 12ft Pella four-panel sliding glass doors seamlessly blend indoor-outdoor living.Whether enjoying your morning coffee or entertaining at sunset,the breathtaking views are always the centerpiece.The chef’s kit feat 9’ x 6’ oversized island,KitchenAid app, six-burner gas cooktop,dbl ovens,Bosch dishwasher,granite countertops,custom shaker cabinetry,under cabinet lighting,oversized walkin pantry.The master suite is a true retreat,showcasing tranquil lake views, spa-inspired bath w jetted soaking tub,oversized walkin shower,dual vanities,walkin closet w storm shelter,direct access to laundry rm.Upstairs, 700sqft guest retreat offers bedrm,full bath,liv area,kitchenette,walkin closet,walkin attic storage,ideal for extended family,weekend guests,gamerm,or private hm office.Built w quality-efficiency in mind,home includes luxury vinyl plank flooring,foam insulation,whole house surge protection,smart hm technology w app-controlled lighting,thermostat,garage doors,security cameras,oversized 3 car garage w 12 ft ceilings,epoxy floors,plus a 50-amp RV hookup.Step outside to your covered lakeside patio and enjoy boating,fishing,kayaking,paddleboarding,and more.Private 20’x24’ dock w electric pontoon lift provides effortless access to the water.Sunset Bay residents enjoy exclusive gated amenities including a community clubhouse,swimming pool,pickleball courts.Just min away,Northside Marina offers boat rentals,live bait,guided fishing,the popular Three Fingers Lounge,miniature golf,RV sites,cabin rentals,lakefront dining

133 Sunset Bay Pointe Ct, Chico
$1,550,000
2 Beds ⋅ 2 Baths ⋅ 21331942 MLS
Experience elevated luxury living at its finest in this exceptional residence at Lakeside Tower, Flower Mound's premier waterfront condominium community. Impeccably designed with sophisticated finishes and breathtaking lake views, this stunning condo offers an unparalleled blend of elegance, comfort, and resort-style living. The gourmet kitchen is a true showpiece, featuring a built-in refrigerator, stainless steel appliances, gas cooktop, built-in oven, expansive island with seating, and designer finishes that make entertaining effortless. The light-filled living room is anchored by a striking fireplace and custom built-ins, while walls of glass and sliding doors seamlessly connect the interior to a spectacular private balcony overlooking the water. The luxurious primary suite is a private retreat w-direct balcony access, allowing you to wake up to tranquil water views each morning. The spa-inspired ensuite bath features dual sinks, shower + upscale finishes. A spacious secondary bedroom w-its own ensuite bath offers incredible flexibility as a guest suite or executive home office. Life at Lakeside Tower is defined by an unmatched collection of world-class amenities. Residents enjoy 24-hour concierge & valet services, a resort-style lap pool w-spa & private cabanas, outdoor lounge w-fire pit, elegant resident lounge w-coffee bar, club room, whisky bar, private wine room w-dining space, state-of-the-art fitness center, yoga & Pilates studio, golf simulator, steam rooms, locker rooms, movie theater, billiards lounge, fully equipped event kitchen, putting green, dog park + dog wash station, overnight guest suites, package concierge service, secure access-controlled entry, high-speed elevators & impeccably maintained common areas. Top it off with 2 storage units & 2 parking spaces in the garage. Perfectly positioned along the shores of Grapevine Lake & just moments from premier dining, shopping, entertainment, and DFW Airport, offers a lock-and-leave luxury lifestyle.

2800 Lakeside Pkwy Unit 602, Flower Mound
$2,699,000
3 Beds ⋅ 3 Baths ⋅ 21337173 MLS
Rare 2.5-Acre Waterfront Opportunity on Eagle Mountain Lake! Build your dream lakefront estate on this exceptional 2.5-acre property offering over 400 feet of shoreline with breathtaking open-water views and deep water. Nestled at the end of a quiet, secluded cul-de-sac and surrounded by mature trees, this is a truly one-of-a-kind setting. The property includes 9325 Westview Road and the adjacent lot at 9345 Westview Road, providing road frontage on both parcels and the unique opportunity to build one spectacular waterfront estate or two custom homes. Enjoy easy access to the lake via a paved driveway leading to the private boat dock, complete with a boat lift. The elevated homesite captures incredible panoramic lake views while still offering convenient shoreline access. Not ready to build? The existing home currently generates $51,000 per year in rental income, allowing you to enjoy immediate investment potential while planning your future lakefront dream home. Large waterfront tracts with this amount of shoreline, deep water, open-water views, and development flexibility are exceptionally rare on Eagle Mountain Lake. Don't miss this extraordinary opportunity to own one of the area's most desirable waterfront properties.

9325 Westview Rd, Fort Worth
$1,389,000
5 Beds ⋅ 6 Baths ⋅ 21320630 MLS
BACK ON THE MARKET WITH LOTS OF UPDATES!! Brand new wood floors with baseboards and molding. Completely remodeled kitchen with new cabinets and quartz countertops. Completely updated full bathroom downstairs. Fully updated 2nd Master Bathroom upstairs. AND SO MUCH MORE. This is a RARE opportunity in one of Burleson’s most sought-after neighborhoods. Homes here seldom come available, especially on lots of this size. Situated on over 3.5 SCENIC ACRES and located OUTSIDE CITY LIMITS, this property offers SPACE, FREEDOM and AG EXEMPTION opportunity, all while feeding into highly acclaimed MANSFIELD ISD. This beautiful home sits waterfront to a SERENE POND complete with a fountain, offering peaceful views and a stunning backdrop from the POOL and the OPEN CONCEPT KITCHEN. Inside, the home is thoughtfully designed with MUTLIPLE BEDROOMS DOWNSTAIRS. There are two full primary bedroom suites, each with tons of space and walk-in closets. Flexible living spaces abound with multiple office or desk zones, a movie room, and a game room which are perfect for work, entertainment, or relaxation. Recent upgrades include a NEW ROOF AND GUTTERS, new Pool tile, and FRESHLY PAINTED EXTERIOR. Step outside to an ENTERTAINERS DREAM! The expansive enclosed patio has tongue and groove cedar boards lining ceiling and is complete with heating, cooling, and a fireplace that overlooks the sparkling pool, pond, and wide-open views. The large sport-court driveway offers abundant parking and versatility with ample space to create your own PICKLBALL court. The entire property has irrigation system. Voluntary HOA. This exceptional property blends comfort, privacy, and unmatched scenery—all on a rare acreage lot in a prime location. Don’t miss your chance to make it yours.

6035 Oak Hollow Dr, Burleson
$1,290,000
4 Beds ⋅ 5 Baths ⋅ 21336380 MLS
Stunning 2017 custom-built waterfront home in the gated community of North Star Pointe on beautiful Lake Bridgeport! Situated on a 2.42-acre double lot, this exceptional property offers 3,178 total sq. ft., including a 2,394 sq. ft. main home and a 784 sq. ft. accessory dwelling unit (ADU). The main home features 3 bedrooms, 3.1 baths, an open-concept layout, luxury vinyl plank flooring and ceramic tile throughout—no carpet. The spacious kitchen offers granite countertops, painted cabinetry, propane gas cooktop, walk-in pantry, and abundant storage while opening to the dining and living area with built-ins and a fireplace. The primary suite includes dual vanities, a soaking tub, separate shower, and walk-in closet. Enjoy breathtaking lake views and spectacular sunsets from the oversized covered patio spanning the entire back of the home or the upstairs glass-enclosed covered patio. Energy-efficient full foam encapsulation insulation adds year-round comfort. The detached ADU features a full kitchen with granite countertops, living room with built-ins, bedroom, bath, walk-in closet, and sits above a separate 2-car garage. Combined with the attached 2-car garage, the property offers parking for four vehicles plus a drive-thru carport. Outside, enjoy a large circular driveway, covered RV parking, additional RV parking with water and electric hookups, a lakeside fire pit, and a private dock with a boat lift and two Jet Ski slips. Located on the desirable north side of Lake Bridgeport with deep water and scenic rock outcroppings. North Star Pointe offers gated entry, a community pool, pickle ball court and private boat ramp. This incredible waterfront retreat combines luxury, privacy, and resort-style living in one unforgettable property.

165 Cote D Azur Dr, Chico
Start Your Search