
Rare space, flexibility, and lifestyle in sought-after Onion Creek, featuring an FHA assumable loan at 2.875%. Set on an expansive .316+ acre corner lot in one of South Austin’s most established golf course communities, this thoughtfully updated home offers the indoor-outdoor living, parking flexibility, and practical upgrades buyers are searching for. The side-entry garage, extended paved parking, and generous lot provide room for up to five off-street vehicles, ideal for guests or multi-driver households. The backyard is a standout with an expansive covered aggregate patio with lighting, greenhouse with electricity, storage shed, dog run, and mature landscaped spaces perfect for entertaining, gardening, or relaxing. Inside, the main living room features a fireplace and soaring vaulted ceilings, creating a welcoming gathering space filled with natural light. The adjacent dining room offers a dramatic wall of windows and French doors opening to the patio, while the wet bar adds an ideal entertaining touch. The updated kitchen features Silestone quartz countertops, custom tile backsplash, upgraded sink, Delta Touch2O faucet, and breakfast area. A dedicated executive office plus CAT 6 wiring throughout multiple rooms supports remote work, gaming, and seamless connectivity. The private downstairs primary suite offers dual vanities, two closets including a walk-in, and a Jacuzzi soaking tub with peaceful garden views. Upstairs, two secondary bedrooms share a Jack-and-Jill bath with separate vanities. Recent updates include popcorn ceiling removal/paint (2026), exterior paint, upgraded flooring, fencing, drainage remediation, irrigation enhancements, and more. Located in Onion Creek, enjoy tree-lined streets, a golf-cart-friendly atmosphere, 24-hour security, and optional access to Onion Creek Country Club amenities including golf, tennis, fitness, dining, and pool access. Move-in ready with exceptional lot size, outdoor utility, and lifestyle appeal in South Austin.
Property Type
Residential
Year Built
1981
Lot Size
0.32 acres
$/Sq Ft
$242
HOA
$110/mo
Garage
5 spaces
Listed by Bramlett Partners
Verified property facts
10400 La Costa DR is listed at $544,900 with 3 bedrooms, 2 full, 1 half bathrooms, 2,256 square feet, 0.32-acre lot. This places it above the 78747 median of $370,999.
10400 La Costa DR is zoned for Austin ISD with assigned schools: Blazier (8/10) (elementary), Paredes (2/10) (middle), Akins (6/10) (high). School assignments should be verified directly with the district.
10400 La Costa DR is a Residential built in 1981 featuring 3 bedrooms, 2 full, 1 half bathrooms, 2,256 square feet, 0.32-acre lot.
10400 La Costa DR is presented by the Keenan Group at Compass Real Estate, the #1 Austin Board of Realtors Team (2024) with 1,000+ career transactions and $1B+ in career volume across Austin's luxury market.
The most recent annual property tax for 10400 La Costa DR is $7,439. Texas has no state income tax, so property taxes are a primary revenue source. Rates vary by jurisdiction and exemptions. Verify current amounts with the county appraisal district.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
Price Change with current price, original ask, and market time.
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-16.5% | — | $474,201 | — | — |
2024-3.3% | — | $568,006 | $72,000 | $437,995 |
2023+65.0% | — | $587,613 | $60,000 | $508,006 |
2022 | — | $356,200 | $60,000 | $527,613 |

Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility. Ratings from GreatSchools.org.
20% ($109K)
$544,900
Luxury property intelligence
A sourced read on Onion Creek Sec 03 pricing, timing, and property scale. No automated valuation claim.
List price
$544,900
Price per sqft
$242/sqft
Vs. Onion Creek Sec 03 median
Not available
Days on market
131 days
Original to current
$27.6K reduction
$572.5K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Jun 23, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
With 20% down ($108,980) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 10400 La Costa DR is around $3,447 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
At $544,900, 10400 La Costa DR is in the Onion Creek Sec 03 market where there are currently 159 active listings in 78747.
10400 La Costa DR was built in 1981 (45 years ago). Buyers should budget for potential updates to major systems.
10400 La Costa DR includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
10400 La Costa DR is part of a managed community with HOA dues of $110 quarterly. HOA-managed communities in Austin's luxury market typically provide amenities such as common areas, security, and exterior maintenance. Verify current dues and rules with the HOA directly.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
10 events on record
Current Price
$544,900
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-16.5% | — | $474,201 | — | — |
2024-3.3% | — | $568,006 | $72,000 | $437,995 |
2023+65.0% | — | $587,613 | $60,000 | $508,006 |
2022 | — | $356,200 | $60,000 | $527,613 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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