Active Listing  ·  100 days on market

623 Sunfish St

Lakeway, TX 78734
$775,000
3 Bed 3 Bath 2,322 sqft $334/sqft Built 1967 0.32 acres 2-Car Garage Pool Lakeway Sec 04

Welcome to 623 Sunfish St. in Old Lakeway! Nestled beneath a canopy of live oaks and positioned directly on the popular Live Oak Golf Course, this beautifully updated home embodies everything that makes Old Lakeway one of the most desirable communities on the south shore of Lake Travis. Located among the original homes that helped shape Lakeway's unique character, the property offers a rare blend of history, privacy, and modern updates. Mature trees, panoramic golf course views, and a peaceful setting create an atmosphere that feels removed from the hustle of everyday life, while the Lakeway Resort & Marina, dining, golf, and lake activities remain just minutes away. Inside, large windows frame views of the golf course and surrounding landscape, filling the home with natural light and connecting the living spaces to the beauty outdoors. The updated interior balances timeless Lakeway charm with modern comforts, creating a home that feels both welcoming and refined. Step outside to enjoy the pool, relax beneath the shade of mature oaks, or watch golfers pass along the fairway from the comfort of your own backyard. A flexible floor plan provides options for guests, multigenerational living, a private office, or hobby space. Adding to the home's appeal is a substantial unfinished expansion space offering exciting potential for future customization. Buyers may wish to explore adding an interior staircase while creating additional finished living space making this an exceptional opportunity to tailor the home to their needs. More than just a home, this is an opportunity to own a piece of Lakeway history and experience the golf course lifestyle that has made Old Lakeway one of the area's most enduring and sought-after neighborhoods. Enjoy nearby shopping, restaurants, and everyday conveniences, with downtown Austin approximately 35 minutes away and Austin-Bergstrom International Airport about 40 minutes away.

At $334/sqft, this home is priced 2% above the Lakeway active market average of $327/sqft, reflecting premium positioning, typically tied to finishes, lot, location, or view. View Austin market report →

Location

623 Sunfish St, Lakeway, TX 78734

Property Details

Price $775,000
Status Active Listing
Beds 3
Full Baths 2
Half Baths 1
Living Area 2,322 sqft
Lot Size 0.32 acres (13,982.76 sqft)
Year Built 1967
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Lakeway Sec 04
County Travis
Zip Code 78734
$/sqft $334/sqft
Days on Market ,
HOA None / verify with agent
Annual Tax Est. $10,340.14
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT232698606
List Date June 15, 2026
Elementary School Serene Hills
Middle School Hudson Bend
High School Lake Travis
School District ,

Luke Allen (TREC #788149) has deep knowledge of Lakeway and surrounding markets. Whether you're buying, selling, or just researching comparable sales, reach out for a no-pressure conversation.

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Price History

How This Ask Has Moved

Original list price versus what this home is asking today. Straight from the ACTRIS MLS feed, no interpretation.

Original ask · June 15, 2026 $825,000
Current ask $775,000
Reduced $50,000 (-6.1%) from original ask

Source: ACTRIS MLS. Price change timestamp reflects the most recent adjustment on record; the feed does not expose intermediate steps between the original ask and today's ask.

Similar Homes on the Market in Lakeway

Comparable Listings Right Now

Homes currently for sale in Lakeway with similar bedroom count, size, and price range, giving you real-time context for how this property's asking price compares to the active market.

AddressList Price$/sqftBeds/BathsSqftDOMListed
201 Crescent Blf
Cedar Glen Sec 01
$764,999 $267 4 bd / 4 ba 2,860 sqft , 2026-05-23
116 Blue Clearing Way
Rough Hollow Sec 3 Condo
$789,000 $258 4 bd / 4 ba 3,057 sqft , 2026-08-01
412 Eagle None
Lakeway
$799,000 $317 3 bd / 3 ba 2,522 sqft , 2026-07-31
224 Hurst Creek Rd
Lakeway Sec 24-b
$739,900 $256 4 bd / 2 ba 2,888 sqft , 2026-09-09
113 Indian Bend Dr
Lakeway Sec 29
$730,000 $258 3 bd / 4 ba 2,833 sqft , 2026-05-27

Source: ACTRIS MLS, live listings. Similar by ±1 bed, ±35% price, ±35% sqft. Contact Luke for a formal comparative market analysis.

Investment Analysis

Rental Income Potential

The numbers below use conservative Austin-market assumptions. They are estimates, not a guarantee. Actual rents vary by condition, timing, and management. Read our full Austin rental property guide →

Est. Monthly Rent
$3,720/mo
0.48% rule · conservative Austin est.
Gross Yield
5.76%
Annual rent ÷ purchase price
Cap Rate (est.)
3.46%
NOI after 40% vacancy + expenses
Down Payment
$155,000
20% conventional investment loan

Monthly Cash Flow Breakdown (20% down · 7.25% rate)

Estimated Gross Rent+$3,720
Principal + Interest−$4,229
Property Tax (~2.1% TX avg)−$1,356
Insurance (~0.5%)−$323
Est. Monthly Cash Flow $-2,188

At current rates and prices, many Austin luxury properties run neutral or slightly negative on pure cash flow, appreciation and equity paydown are the primary return drivers. BRRRR and off-market acquisitions can improve day-one cash flow. Learn about the BRRRR method in Austin →

Commute & Employment

Major Employers Near Lakeway, TX

Lakeway sits within commuting range of Austin's major tech, manufacturing, and corporate campuses. Approximate drive times from this area:

Apple Campus (Domain) 30 min E
Downtown Austin 30 min E via 71
Westlake corridor 15 min E

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About the Author
Luke Allen, Austin TX Realtor, TREC #788149
Luke Allen
Licensed Austin TX Realtor · TREC #788149 · Full-time since 2019
★★★★★ 5.0 on Google · 30 Reviews

Luke Allen is a full-time Austin TX Realtor with the Austin Marketing + Development Group brokerage. He works with buyers, sellers, and investors across every Austin ISD and the surrounding neighborhoods, from Downtown and East Austin to Round Rock, Cedar Park, and the Hill Country. Every page on this site is written and maintained by Luke. This page was last updated on September 1, 2026.

📞 (254) 718-2567 [email protected] More about Luke →