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Cascades at Onion Creek by M/I Homes
4800 Seadrift Dr, Austin, TX 78747
💰 Est. $60,560 in total savings!
Mortgage rates starting from 4.88%
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Builder deals available
- TOP-TIER DEAL
Conventional 30 Year Fixed
$60,560 est. value- Fixed rate from 4.88% with 4.976% APR, 20% down payment, and 720 credit score
FHA 30 Year Fixed
$10,640 est. value- Fixed rate from 4.88% with 5.682% APR, 3.5% down payment, and 640 credit score
Any loan type
$6,580 est. value- 2% closing costs help
Deals may change and are not guaranteed. Some deals apply to specific homes or plans. Not a financing offer. Eligibility varies by lender. Please verify details.



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Book your tour. Save an average of $18,473. We'll handle the rest.
We collect exclusive builder offers, book your tours, and support you from start to housewarming.
- Confirmed tours
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- No added fees
Estimated value based on Jome data, T&C apply
Available homes
- Home at address 4508 Beacon Day Dr, Austin, TX 78747

Garner - Smart Series
$349,990
- 3 bd
- 2 ba
- 1,553 sqft
4508 Beacon Day Dr, Austin, TX 78747
- Home at address 4505 Lava Island Dr, Austin, TX 78747

Garner - Smart Series
$349,990
- 3 bd
- 2 ba
- 1,553 sqft
4505 Lava Island Dr, Austin, TX 78747
- Home at address 12104 Dillon Falls Dr, Austin, TX 78747

Abilene - Smart Series
$354,990
- 3 bd
- 2 ba
- 1,640 sqft
12104 Dillon Falls Dr, Austin, TX 78747
- Home at address 4505 Beacon Bay Dr, Austin, TX 78747

Abilene - Smart Series
$364,990
- 3 bd
- 2 ba
- 1,640 sqft
4505 Beacon Bay Dr, Austin, TX 78747
- Home at address 4605 Lava Island Dr, Austin, TX 78747

Abilene - Smart Series
$369,990
- 3 bd
- 2 ba
- 1,640 sqft
4605 Lava Island Dr, Austin, TX 78747
- Home at address 12216 Dillon Falls Dr, Austin, TX 78747

Abilene - Smart Series
$369,990
- 3 bd
- 2 ba
- 1,640 sqft
12216 Dillon Falls Dr, Austin, TX 78747
Plans
Community highlights
Discover Cascades at Onion Creek, a single-family home community by M/I Homes found in 4800 Seadrift Dr, Austin, TX 78747. At the moment, the community has a status of Selling. Offering 23 units, including 5 ready-to-move options. Cascades at Onion Creek homes size vary between 1,553 and 2,728 square feet on various lot sizes. Pricing starts at $328,990 and goes up to $506,440.
Expansive Austin greenbelt with hiking, swimming holes, and limestone cliffs tucked amid Hill Country suburbs.
Community details
Community details
- Neighborhood:
- Onion Creek
- Builder(s):
- M/I Homes
- Home type:
- Single-Family
- Selling status:
- Selling
- Contract to close:
- 50 days
- School district:
- Austin Independent School District
Community amenities
- Energy Efficient
- Dog Park
- Playground
- Community Pool
- Park Nearby
- Amenity Center
- Picnic Area
- Splash Pad
- Multigenerational Homes Available
- Open Greenspace
- Walking, Jogging, Hike Or Bike Trails
- Gazebo
- Shopping Nearby

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About the builder - M/I Homes

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- 1,827homes on Jome
Neighborhood
Community address
Schools in Austin Independent School District
GreatSchools’ Summary Rating calculation is based on 4 of the school’s themed ratings, including test scores, student/academic progress, college readiness, and equity. This information should only be used as a reference. Jome is not affiliated with GreatSchools and does not endorse or guarantee this information. Please reach out to schools directly to verify all information and enrollment eligibility. Data provided by GreatSchools.org © 2025
Places of interest
Getting around
Air quality
Noise level
A Soundscore™ rating is a number between 50 (very loud) and 100 (very quiet) that tells you how loud a location is due to environmental noise.
Natural hazards risk
Provided by FEMA

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Financials
Estimated monthly payment
Cascades at Onion Creek by M/I Homes
Looking for a new place to call home in South Austin? Look no further than Cascades at Onion Creek! Our community of new single family homes is located just off the I-35 service road, south of the Onion Creek Parkway exit.
With easy access to Downtown Austin and service from Austin ISD schools, Cascades at Onion Creek is the perfect choice for young professionals, growing families, and downsizers alike.
New Phase of Homesites Available
We're excited to announce that a new phase of homesites is now available in Cascades at Onion Creek! Explore the full selection of floorplans and available homesites, and be sure to check out this stunning panoramic drone footage that showcases the community.
Cascades at Onion Creek Community Overview
The amenity center offers a variety of features, including a community pool complete with a luxurious tanning ledge and a thrilling splash pad. Plan an outdoor gathering in our charming gazebo and a covered picnic area.
A playscape will ignite your children's imaginations and keep them entertained for hours on end, and the dog park will be the perfect space to let your furry friends run loose!
This incredible amenity center is conveniently located at the heart of our community, ensuring easy access for all residents. These open spaces serve as a playground for all, where you can make memories with your neighbors, friends, and family.
Community Information: Learn additional information on schools, estimated tax rates, utilities, and local attractions.
About Our New Homes in South Austin
Cascades at Onion Creek is currently planned to be made up of just under 500 new homes that are built on 50-foot-wide homesites and will feature floorplans from our sought-after Capital Series and brand-new Smart Series.
All homes in our Capital Series are ENERGY STAR® certified and have a modern design both inside and out. The series consists of 4 single-story floorplans and 3 2-story floorplans, ranging in size from 1,402–2,425 square feet. These new homes will come standard with 2–3 bedrooms, and select floorplans will offer the option for a fourth bedroom.
Take a look at the full list of the Capital Series included features and options to learn more about what sets our homes apart.
Our all-new Smart Series floorplans are designed to cater to modern living needs with exceptional functionality and style. This series features 6 distinct floorplans, including 2 single-story and 4 2-story designs. These homes range from 1,553 to 2,778 square feet, offering 3 to 5 bedrooms and 2 to 3 bathrooms. Select floorplans also include versatile spaces such as a flex room, a study, and a game room, providing plenty of options to suit your lifestyle
Self-Tour On Your Schedule: You can schedule your self-tour of our beautiful homes at your leisure. Look for the option to schedule a tour in the home's description or scan the QR code when visiting in person!
South Austin New Homes You Can Take Pride In
At M/I Homes, we pride ourselves on being different from other new home builders in South Austin. Our Whole Home Building Standards ensure that all our homes are energy-efficient, exceeding industry standards. Additionally, our 10-Year Transferable Structural Warranty goes beyond what other builders offer, giving you peace of mind about the quality of your new home.
Austin ISD
A great school district is crucial in determining your new home. At Cascades at Onion Creek, we're proud to be a part of Austin ISD, whose mission is to provide a comprehensive, high-quality, and challenging educational experience that inspires all students to make a positive contribution to society.
Children in this community will attend Blazier Elementary School, Paredes Middle School, and Akins High School. For those working towards their higher education, the University of Texas, Texas State University, and Austin Community College are all an easy drive from the community.
Find Your Dream Home at the Cascades at Onion Creek
If you're looking for a new home that offers both comfort and convenience, then you will love calling Cascades at Onion Creek home.
Modern floorplans and a prime location near Downtown Austin make this community a great choice to live in. Contact our Internet Sales Team today to schedule a private tour and learn more!
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