Active Listing  ·  42 days on market

843 Sunfish St

Austin, TX 78734
$599,000
4 Bed 4 Bath 2,827 sqft $212/sqft Built 1980 0.28 acres 2-Car Garage Pool Lakeway Sec 14

Experience the joys of lake living at this remarkable Lakeway home! This stunning 4 bedroom, 3.5 bath home boasts a bright, open floor plan with breathtaking views of the Live Oak Golf Course. Enjoy the convenience of single-story living with 3 bedrooms on the main floor, while the 4th bedroom complete with a full bathroom is upstairs. For entertaining, multiple living and dining areas await, with a kitchen featuring granite countertops, a cooktop, a built-in oven, and a breakfast area. The formal dining room offers a built-in buffet and an adjacent wet bar. Relax in the family room with its cozy stone fireplace, cathedral ceiling adorned with wood beams, and abundant natural light. The first floor also includes a bonus room off the kitchen with direct backyard access. The spacious primary suite features an ensuite bathroom with dual vanities, a custom walk-in shower, and a soaking tub. With easy access to Lake Travis, you can cool off at the Lakeway Swim Center, explore the trails in Hamilton Greenbelt, or enjoy a game of pickleball at Lakeway City Park. After a fun day out, savor dinner at nearby spots like Oaks at Lakeway, HEB, or Hill Country Galleria. Zoned for the highly-rated Lake Travis ISD and conveniently located less than 10 minutes from Baylor Scott & White Medical Center. Don’t miss the chance to enjoy lake living every day!

At $212/sqft, this home is 46% below the Austin active market average of $393/sqft, potentially representing value relative to comparable properties currently on the market. View Austin market report →

Location

843 Sunfish St, Austin, TX 78734

Property Details

Price $599,000
Status Active Listing
Beds 4
Full Baths 3
Half Baths 1
Living Area 2,827 sqft
Lot Size 0.28 acres (12,079.19 sqft)
Year Built 1980
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Lakeway Sec 14
County Travis
Zip Code 78734
$/sqft $212/sqft
Days on Market ,
HOA None / verify with agent
Annual Tax Est. $12,502.52
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT243088059
List Date August 12, 2026
Elementary School Serene Hills
Middle School Hudson Bend
High School Lake Travis
School District ,

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

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Similar Homes on the Market in Austin

Comparable Listings Right Now

Homes currently for sale in Austin 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
5 Champions Ln
Champions Lakeway
$599,000 $286 4 bd / 3 ba 2,093 sqft , 2026-07-17
209 Crescent Blf
Cedar Glen Sec 01
$600,000 $268 3 bd / 3 ba 2,240 sqft , 2026-06-29
104 El Norte Ct
Lakeway Sec 26
$610,000 $251 4 bd / 3 ba 2,435 sqft , 2026-07-22
109 Schooner Dr
Lakeway
$619,000 $306 3 bd / 2 ba 2,025 sqft , 2026-07-31
106 White Sands Dr
Lakeway Sec 26
$620,000 $303 3 bd / 3 ba 2,046 sqft , 2026-08-31

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
$2,875/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
$119,800
20% conventional investment loan

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

Estimated Gross Rent+$2,875
Principal + Interest−$3,269
Property Tax (~2.1% TX avg)−$1,048
Insurance (~0.5%)−$250
Est. Monthly Cash Flow $-1,692

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 Austin, TX

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

Tesla Gigafactory 15-25 min E
Apple Campus (Domain) 20-30 min N
Google / Meta / Indeed 10-15 min downtown
Dell Medical School / UT Austin 10-20 min
Samsung Austin Semiconductor 25 min N

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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 5, 2026.

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