Siena Sec 21 Real Estate

Welcome to Siena Section 21, a vibrant and welcoming subdivision nestled in the heart of Round Rock, Texas, within the picturesque Williamson County. This charming community is designed for those seeking the perfect blend of suburban tranquility and modern conveniences.

Siena boasts an array of beautifully crafted homes, each showcasing unique architectural styles and contemporary designs. Residents here enjoy spacious layouts, lush landscaping, and thoughtfully planned community spaces that foster a sense of belonging. Whether you're a growing family, a young professional, or looking to downsize, Siena offers something for everyone.

One of the standout features of Siena Section 21 is its commitment to an active lifestyle. The community is adorned with scenic parks, walking trails, and playgrounds, providing ample opportunities for outdoor recreation and family fun. Imagine weekend strolls through tree-lined paths or picnics in the park, creating lasting memories with loved ones.

Siena is perfectly situated, offering easy access to major highways and local amenities. Round Rock is known for its excellent schools, diverse dining options, and vibrant shopping districts, making it an ideal place to call home. Plus, the nearby Round Rock Donuts and Dell Diamond, home of the Round Rock Express, add a touch of local flavor and entertainment.

Experience the charm and convenience of Siena Section 21—where community spirit meets modern living. Discover your dream home in this delightful subdivision and embrace the lifestyle you’ve always wanted!

Newest Listings in Siena Sec 21

$495,000

4 Beds ⋅ 4 Baths ⋅ 3343693 MLS

Exceptional 3,164 sq ft single-family home built by CastleRock Communities in 2015, priced aggressively for a swift sale in Round Rock’s premier Siena subdivision and packed with high-value mechanical and outdoor upgrades. INTERIOR HIGHLIGHTS: 4 large bedrooms, 3.5 pristine baths, formal dining, and a private office space. Soaring high ceilings and a striking spiral staircase deliver immediate wow-factor upon entry. CHEF'S KITCHEN: Equipped with quartz/granite counters, beautiful cabinetry, and a seamless open flow into the primary living area. MECHANICAL UPGRADE: Offers ultimate peace of mind with a premium Carrier upstairs AC unit newly replaced and upgraded in July 2026 for optimal energy efficiency. UPSTAIRS LIVING: Features an open secondary living space/game room plus an additional closed media room perfect for movie nights. No carpet in common areas (hardwood and tile throughout). OUTDOOR OASIS: Giant tiled patio area with a custom outdoor gas line hookup. The massive backyard showcases established peach, pear, and cherry plum fruit trees lined beautifully along the fence, preserving an expansive open lawn perfect for play or a future pool. FINANCIAL & COMMUNITY PERKS: Enjoy an incredibly low monthly HOA of just $25 while retaining full access to Siena's resort-style Olympic pools, splash pads, parks, and trails. Highly competitive pricing for this square footage combined with major high-ticket upgrades makes this meticulously maintained, owner-occupied home the standout value in Siena. Schedule your tour today!

5851 Parma St, Round Rock

$415,000

4 Beds ⋅ 4 Baths ⋅ 4674763 MLS

Welcome to 6017 Roma Street, located in desirable Siena! This inviting home offers a functional layout, thoughtful features, and a backyard that provides privacy and space. Start your day enjoying coffee on the welcoming covered front patio, with a storm door that fills the entry with natural light. Inside, the spacious entry is ideal for a drop zone, entry table, or organized place for keys and bags. A separate dining room offers flexibility for formal meals, entertaining, or a home office. The light-filled living room features neutral paint, dark flooring, abundant windows, and a cozy fireplace with stone surround and mantle. The open-concept design flows seamlessly into the kitchen, where the center island provides a convenient place for casual dining and gathering, along with a dedicated breakfast area. The main-level primary suite features double vanities, a soaking tub, and a walk-in closet. A conveniently located laundry room completes the first floor. Upstairs, you’ll find three additional bedrooms, including one with its own private bathroom—an ideal setup for guests, teens, or extended family. The oversized game room provides plenty of room for entertaining and is large enough to accommodate a pool table. Step outside to enjoy the covered back patio and oversized backyard, complete with a mature tree and room to relax, play, or entertain. Best of all, the property backs to green space, offering a peaceful setting with no rear neighbors. Recent updates include a new HVAC system installed in August 2026, replaced back fence in 2025, and recently added rain gutters. Siena residents enjoy community amenities including two swimming pools with covered pavilions, three playgrounds, soccer fields, two basketball courts, and a hike-and-bike path. With its spacious layout, flexible living spaces, desirable green-space location, and recent updates, 6017 Roma Street is ready to welcome you!

6017 Roma St, Round Rock

$415,000

4 Beds ⋅ 3 Baths ⋅ 4714215 MLS

A home that grows with you! This welcoming Siena property offers a comfortable combination of space, flexibility, and everyday functionality. The open-concept floor plan creates an easy flow between the main living areas, with granite countertops, tile flooring in the shared spaces, and luxury vinyl tile in the bedrooms. Upstairs, a large bonus room with its own half bath offers even more flexibility as a studio, game room, or additional living space. With three bedrooms and two offices, there is room to create dedicated spaces for working from home, hobbies, crafts, play, or guests. Smart features, including a doorbell and thermostats on both levels, add everyday convenience. Outside, the covered back patio opens to a large deck, complete with an outdoor grill and dog wash. The washer, dryer, and refrigerator are also included. Set within the established Siena community and served by Hutto ISD, this home offers comfortable living with quick access to Hwy 79, Hwy 130, and I-35, plus convenient proximity to Kalahari Waterpark and Dell Diamond.

8206 Arezzo Dr, Round Rock

$499,990

5 Beds ⋅ 5 Baths ⋅ 5288419 MLS

Welcome to 5835 Parma Street, a stunning two story home designed with both elegance and everyday living in mind. Upon entry, you are greeted by a beautiful foyer featuring a striking staircase and a welcoming sense of space. Continue through the home to the impressive living area showcasing soaring ceilings, abundant natural light, and a beautiful fireplace that creates the perfect focal point for gathering with family and friends. The open concept kitchen overlooks the living space and features stainless steel appliances, a breakfast bar perfect for casual meals and morning coffee, and ample workspace for everyday cooking. The dedicated dining area off the kitchen provides an inviting setting for hosting holiday gatherings, dinner parties, or entertaining guests. The private primary suite is conveniently located downstairs and offers a spacious retreat complete with an ensuite bathroom featuring two separate vanity areas, a corner soaking tub, a separate glass enclosed walk in shower, and a generous walk in closet. Upstairs, enjoy additional living space with a versatile media room perfect for movie nights, game days, or relaxing evenings at home. Step outside to the covered patio, where indoor and outdoor living blend seamlessly with the perfect setting for al fresco dining, weekend gatherings, and creating lasting memories with family and friends. Ideally positioned with convenient access to Highway 79 and Toll 130, this home offers an effortless commute while providing easy access to nearby elementary and middle schools. Enjoy a vibrant lifestyle surrounded by endless dining, shopping, and entertainment options, including the excitement of Kalahari Resorts, Dell Diamond, and the expansive amenities of Old Settlers Park. Schedule your showing today and discover the exceptional comfort, convenience, and lifestyle awaiting you at 5835 Parma Street.

5835 Parma St, Round Rock

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Listings provided by North Texas Real Estate Information Systems (NTREIS). Listing data has been deemed reliable but is not guaranteed to be accurate by the MLS.

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Siena Sec 21 Real Estate

Newest Listings in Siena Sec 21

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