4308 College Square, Round Rock, TX 78665 | Col Realty  <div id="share-modal" class="share-modal-overlay" onclick="if(event.target===this)closeShare()"> <div class="share-modal-box"> <button class="share-modal-close" onclick="closeShare()">×</button> <h3 class="share-modal-title">Share this home</h3> <p id="share-modal-address" class="share-modal-address"></p> <div class="share-options"> <button class="share-opt" onclick="shareVia('copy')"><span class="share-opt-icon">🔗</span><span>Copy link</span></button> <button class="share-opt" onclick="shareVia('email')"><span class="share-opt-icon">✉️</span><span>Email</span></button> <button class="share-opt" onclick="shareVia('text')"><span class="share-opt-icon">💬</span><span>Text</span></button> <button class="share-opt" onclick="shareVia('facebook')"><span class="share-opt-icon" style="background:#1877f2;color:#fff;border-radius:50%;font-weight:700;font-size:16px;">f</span><span>Facebook</span></button> <button class="share-opt" onclick="shareVia('twitter')"><span class="share-opt-icon" style="background:#000;color:#fff;border-radius:50%;font-size:14px;font-weight:700;">𝕏</span><span>X / Twitter</span></button> <button class="share-opt" onclick="shareVia('whatsapp')"><span class="share-opt-icon">📱</span><span>WhatsApp</span></button> </div> <div id="share-copy-confirm" class="share-copy-confirm" style="display:none;">✅ Link copied to clipboard!</div> </div> </div> <script> const IS_AUTHENTICATED = false; // ── Favorites ────────────────────────────────────────────────────── function handleFavorite(btn, listingId) { if (!IS_AUTHENTICATED) { const modal = document.getElementById('login-modal'); if (modal) modal.style.display = 'flex'; return; } fetch('/accounts/favorite/' + listingId + '/', { method: 'POST', headers: { 'X-CSRFToken': 'Kg7Hgjfe23rv7L7S0RdVO2evwHHIeAQA2uwYTAYX5CvwpbxLEgTp0sxhnFPmwjTv', 'Content-Type': 'application/json' } }) .then(r => r.json()) .then(data => { const saved = data.status === 'added'; btn.classList.toggle('saved', saved); const svg = btn.querySelector('svg'); svg.setAttribute('fill', saved ? 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Description

New Construction | 1 Story | 2,358 sq. ft. | 3 Bed | 2.5 Baths | Flex Room | Available Fall 2026 | The Mariah is a thoughtfully designed single-story home offering 3 bedrooms, 2.5 bathrooms, a flex room, covered outdoor living, and a 2-car garage. With its open layout and refined details, this home blends comfort, style, and everyday functionality. The heart of the Mariah is the spacious kitchen, featuring a large eye-shaped island that overlooks both the family room and dining area, perfect for gathering and entertaining. Ample cabinet and counter space, along with a walk-in pantry, make the kitchen as practical as it is inviting. The family room is filled with natural light from large windows and enhanced by vaulted ceilings. Tucked away for privacy, the primary suite offers a peaceful escape with tray ceilings and French doors leading into the ensuite bath. The bathroom features dual vanities, separated by a charming window seat, along with a walk-in shower and a spacious walk-in closet that connects directly to the utility room for everyday convenience. A flex room with French doors provides endless possibilities as a home office, playroom, or additional living space. Two secondary bedrooms, each with walk-in closets, are thoughtfully positioned and share a full bathroom, offering comfort and functionality for family or guests. Step outside to enjoy the covered outdoor living area, ideal for relaxing evenings or entertaining guests. With its open-concept design, flexible living spaces, and elegant details, The Mariah delivers modern comfort in a beautifully designed one-story layout.

Contact Agent

Col Realty

(512) 699-3810

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Property Details

Status	Active
MLS #	ACT228457798
HOA Fees	$135 / Quarterly
Type	Residential
Year Built	2026
Lot Size	0.15 AC / 6,534 SF
County	Williamson
Subdivision	University Heights
Garage Spaces	2

Property Information

Interior

Breakfast BarBuilt-in FeaturesCeiling Fan(s)Cathedral Ceiling(s)Ceiling-HighTray Ceiling(s)Ceiling-VaultedQuartz CountersDouble VanityEat-in KitchenEntrance FoyerKitchen IslandNo Interior StepsOpen FloorplanPantryPrimary Bedroom on MainStorageWalk-In Closet(s)

Exterior

Rain GuttersNo Exterior StepsPrivate Yard

Appliances

Built-In Electric OvenBuilt-In Gas RangeDishwasherDisposalExhaust FanGas CooktopMicrowaveRNGHDStainless Steel Appliance(s)Electric Water Heater

Community

ParkPlaygroundPoolTrail(s)

Parking

AttachedDrivewayGarageGarage Door Opener

Utilities & Construction

Heat: Central, Natural GasAC: Ceiling Fan(s), Central Air, ElectricCarpet, VinylRoof: CompositionFoundation: Slab

🏊 Pool 🏗 New Construction

Directions: MODEL COMING SOON! From Austin, take I-35 N and exit onto I-35BL. Use the right lane to continue on I-35 N Frontage Rd, and turn right onto University Blvd. Turn left onto Port Hope Street, and left on College Square Drive. Our model is 4629 College Square Drive, Round Rock, TX 78665.