The Watermill Collection offers new single-family homes for sale at River Bridge Ranch in San Marcos, TX. Residents will enjoy an amenity-rich lifestyle with access to an onsite swimming pool, clubhouse, basketball court, multi-use trails and more. The community is a short drive from Austin and downtown San Marcos, and nearby San Marcos Outlet Mall provides a variety of shopping and dining options.
New construction
$295,990
322 Trinity River Holw, San Marcos, TX 78666
4beds
1,891sqft
Single Family Residence
Built in 2025
-- sqft lot
$-- Zestimate®
$157/sqft
$-- HOA
Under construction (available December 2025)
Currently being built and ready to move in soon. Reserve today by contacting the builder.
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Zillow last checked: October 07, 2025 at 09:29am
Listing updated: October 07, 2025 at 09:29am
Listed by:
Lennar
Source: Lennar Homes

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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Interior area
- Total interior livable area: 1,891 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage
- Garage spaces: 2
Features
- Levels: 2.0
- Stories: 2
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New Construction,Under Construction
- New construction: Yes
- Year built: 2025
Details
- Builder name: Lennar
Community & HOA
Community
- Subdivision: River Bridge Ranch : Watermill Collection
Location
- Region: San Marcos
Financial & listing details
- Price per square foot: $157/sqft
- Date on market: 10/7/2025
About the community
PoolPlaygroundBasketballTrails
The Watermill Collection offers new single-family homes for sale at River Bridge Ranch in San Marcos, TX. Residents will enjoy an amenity-rich lifestyle with access to an onsite swimming pool, clubhouse, basketball court, multi-use trails and more. The community is a short drive from Austin and downtown San Marcos, and nearby San Marcos Outlet Mall provides a variety of shopping and dining options.
Source: Lennar Homes