Property Attributes
- MLS#3343693
- TypeSingle Family
- Listing Status Active
- CountyWILLIAMSON
- CityRound Rock
- AreaHU
- NeighborhoodSiena Sec 21
- Zip78665
- StyleSingle Family Residence
- Year Built2015
- Taxes$ 10596
- Price$ 495,000
- Bedrooms4
- Full Bathrooms3
- Half Bathrooms1
- Sqr Footage3164
- Lot Size0.1808 Acres
Data Source:
Austin Board of REALTORS® (ABOR) as distributed by MLS GRID
Property Description
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!
| Elementary School | Middle School | High School |
|---|---|---|
| Veterans Hill Elementary School | Hutto Middle School | Hutto High School |
| Price History | |
|---|---|
| 9/15/2026 | Listed $495,000 |
General Features
| Living Area | 3164 |
|---|---|
| Sewer | MUD |
| Heating | Central |
| Cooling | Central Air |
| Utilities | Cable Available,Electricity Available,Natural Gas Available,Sewer Available,Underground Utilities,Water Available |
| Roof | Composition |
| Appliances | Dishwasher,Disposal,Dryer,Exhaust Fan,Gas Cooktop,Microwave,Oven,Range,Refrigerator,Washer,Washer/Dryer |
| HOA Fee | 75 |
| Garage Spaces | 2 |
| Association Fee Includes | See Remarks |
| Patio/Porch Features | Covered |
| Pool Features | None |
| Security Features | Smoke Detector(s) |
| Construction Materials | Brick,HardiPlank Type,Stone |
| Year Built | 2015 |
| View | Neighborhood |
| Levels | Two |
| Property Subtype | Single Family Residence |
| Tax Year | 2026 |
| Waterfront Features | None |
| Community Features | None |
| Accessibility | Accessible Closets,Accessible Hallway(s),Hand Rails,Accessible Kitchen,Accessible Kitchen Appliances,Accessible Washer/Dryer |
| Assoc Fee Paid Per | Quarterly |
| County | Williamson |
| New Construction | No |
| Property Type | Residential |
| HOA | Yes |
| Energy Efficient | Other/See Remarks |
| Subdivision Name | Siena Sec 21 |
| Facing Direction | North |
| Green Sustainability | See Remarks |
| Other Structures | None |
| Full Baths | 3 |
| Status | Active |
| Directions | From University Blvd,turn right on Co Rd 110 and left on Parma St. |
| High School | Hutto |
| City | Round Rock |
| Disclosures | See Remarks |
| Association Name | Siena HOA |
| MLS Area | HU |
| Lot Size Square Feet | 7875.65 |
| Elementary School | Veterans Hill |
| Tax Annual Amount | 10596.26 |
| Middle/Junior High School | Hutto |
| Property Condition | See Remarks |
| Standard Status | Active |
| Year Built Source | Public Records |
| Tax Assessed Value | 532289 |
Interior Features
| Interior Amenities | Ceiling Fan(s),Chandelier,Granite Counters,Quartz Counters,Crown Molding,Double Vanity,Eat-in Kitchen,Entrance Foyer,Pantry,Primary Bedroom on Main,Soaking Tub,Study/Home Office,Walk-In Closet(s) |
|---|---|
| Flooring | Carpet,Tile,Wood |
| Total Fireplaces | 1 |
| Fireplace Features | Living Room |
| Window Features | None |
| Half Baths | 1 |
| Total Bedrooms | 4 |
| Main Level Bedrooms | 1 |
| LivingAreaSource | Public Records |
| Total Baths | 4 |
Exterior Features
| Exterior Amenities | None |
|---|---|
| Fencing | Wood |
| Parking Features | Garage |
| Lot Features | Back Yard,Curbs,Front Yard,Level,Public Maintained Road,Sprinkler - Automatic |
| Water Source | MUD |
| Total Parking | 4 |
| Foundation Details | Slab |
| Lot Size Acres | 0.1808 |
| Waterfront Y/N | No |
| Covered Spaces | 2 |
| Horse Y/N | No |
| Horse Amenities | None |
Amenities
- Foreclosure
- Views
- Short Sale
- New Construction
- Adult 55+
- Lease To Own
- No HOA Fees
- Furnished
- Primary On Main
- Air Conditioning
- Seller Finance
- Green
- Fixer Upper
- Horse
- Golf
- Fireplace
- Deck
- Garage
- Basement
- Pool
Property vs Single Family Average in 78665
In The Neighborhood
Round Rock
$ 418,000
- Type
- Single Family
- Size
- 2,268 SqFt
- Rooms
- 4 Beds + 2 Baths
Round Rock
$ 440,000
- Type
- Single Family
- Size
- 2,630 SqFt
- Rooms
- 4 Beds + 3.5 Baths
Austin Board of REALTORS® Copyright ©2026 All rights reserved.
Central Texas MLS | Four Rivers Association of REALTORS® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties
Highland Lakes Association of Realtors® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may