Siena — Round Rock, TX
Siena is an established master-planned community with a Round Rock, Texas mailing address, in Williamson County, built around resort amenities, parks, and miles of trails.
Location & Getting Around
Siena sits in Round Rock (78665), in Williamson County, near Limmer Loop and CR-110 on the east side toward Hutto, roughly 30–40 minutes to downtown Austin near the SH-130 corridor. It is largely built out, with mostly resale and scattered final new construction. This is the Round Rock, Texas Siena — a separate "Siena" master-planned community also exists in San Antonio.
Development & History
Siena was developed in phases by multiple builders, including Highland, Brohn, KB Home, Brightland, Lennar, Meritage, Pulte, and CastleRock, among others; today the community is largely built out, with resale plus scattered new construction.
Schools Serving Siena
Despite its Round Rock mailing address, Siena is zoned to Hutto ISD, not Round Rock ISD. The community's elementary assignment splits by Limmer Loop — confirm the assigned campus for a specific home with the district.
- Elementary
- Veterans' Hill Elementary (north of Limmer Loop) or Kerley Elementary (south of Limmer Loop) — Hutto ISD
- Middle / High
- Hutto Middle School · Hutto High School
Amenities
- •An Olympic-size pool and splash pad
- •An open-air pavilion
- •Two parks
- •Miles of walking and hike-and-bike trails
- •Volleyball, basketball, and soccer courts and fields
Community Life & Activities
Siena's Olympic-size pool and two parks anchor an established amenity program, with a mature trail network and sport courts and fields spread across the community.
Builders Active in Siena
Builder details aren't published for Siena yet — see current inventory on the homes-for-sale page for what's active now.
Siena Market Data
Live figures from current Siena listings, updated as the MLS feed refreshes — not a forecast.
Siena FAQ
Where is Siena?
Siena is in Round Rock, Texas (78665), in Williamson County, near Limmer Loop and CR-110 toward Hutto, roughly 30–40 minutes to downtown Austin.
What school district is Siena in?
Despite the Round Rock mailing address, Siena is zoned to Hutto ISD — not Round Rock ISD. Elementary assignment splits by Limmer Loop (Veterans' Hill north, Kerley south), feeding Hutto Middle and Hutto High. Confirm the assigned campus with the district.
How many homes for sale are in Siena?
See the live current count and price range below — it moves with the market. Siena is largely built out, so most inventory is resale.
What amenities does Siena have?
Siena has an Olympic-size pool and splash pad, an open-air pavilion, two parks, miles of trails, and volleyball/basketball/soccer courts and fields.
Is this the same Siena as in San Antonio?
No — this is the Round Rock, Texas Siena in Williamson County. A separate, unrelated "Siena" master-planned community exists in San Antonio.