Active Listing  ·  11 days on market

218 W 51st St

Austin, TX 78751
$1,350,000
1,968 sqft $686/sqft Built 1942 0.19 acres Koenig Place Annex

Rare dual-lot portfolio sale. Exceptional opportunity to acquire 218 W 51st St and 5101 Leralynn St, Austin, TX 78751 together as a single package. These properties are being sold as one with the other, and the list price reflects both parcels. The 51st St property includes a vacant 1,968 sq ft duplex featuring original wood floors and a sprawling backyard. Positioned in prime Koenig Place Annex right across from neighborhood tennis courts, this package is perfect for a premium multi-unit redevelopment or a high-yield rental portfolio.

At $686/sqft, this home is priced 75% above the Austin active market average of $392/sqft, reflecting premium positioning, typically tied to finishes, lot, location, or view. View Austin market report →

Location

218 W 51st St, Austin, TX 78751

Property Details

Price $1,350,000
Status Active Listing
Beds ,
Full Baths ,
Half Baths ,
Living Area 1,968 sqft
Lot Size 0.19 acres (8,463.71 sqft)
Year Built 1942
Garage ,
Stories ,
Type Residential Income · Duplex
Subdivision Koenig Place Annex
County Travis
Zip Code 78751
$/sqft $686/sqft
Days on Market ,
HOA None / verify with agent
Annual Tax Est. $13,424.18
Pool ,
Waterfront ,
New Construction ,
MLS # ACT242937976
List Date August 13, 2026
Elementary School Ridgetop
Middle School Lamar (Austin ISD)
High School McCallum
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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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
$6,480/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
$270,000
20% conventional investment loan

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

Estimated Gross Rent+$6,480
Principal + Interest−$7,368
Property Tax (~2.1% TX avg)−$2,363
Insurance (~0.5%)−$563
Est. Monthly Cash Flow $-3,814

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 August 17, 2026.

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