Active Listing  ·  229 days on market

642 Martingale St

Georgetown, TX 78633
$550,000
3 Bed 3 Bath 2,754 sqft $200/sqft Built 2022 0.18 acres 2-Car Garage Pool Sun City

Experience the ultimate active adult lifestyle at 642 Martingale in the premier Sun City community. Situated on a premium lot with no neighbors behind, this recent construction home features a meticulously designed open floor plan with upgraded LVP flooring and an upgraded appliance package. The main level provides two spacious bedrooms, two full bathrooms and a versatile private bonus room that is perfect for a home office, craft studio, or gym. The second level acts as a private apartment suite with its own living room, bedroom and full bathroom. Car and hobby enthusiasts will appreciate the rare, deep garage that easily accommodates two full-sized vehicles plus two golf carts with room to spare. Outside, recently upgraded landscaping enhances the home's impressive curb appeal, while Sun City’s world-class amenities, including three championship golf courses, four fitness centers, eight pools, and miles of scenic trails that await just minutes from your front door.

At $200/sqft, this home is 13% below the Georgetown active market average of $229/sqft, potentially representing value relative to comparable properties currently on the market. View Austin market report →

Location

642 Martingale St, Georgetown, TX 78633

Property Details

Price $550,000
Status Active Listing
Beds 3
Full Baths 3
Half Baths ,
Living Area 2,754 sqft
Lot Size 0.18 acres (7,988.9 sqft)
Year Built 2022
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Sun City
County Williamson
Zip Code 78633
$/sqft $200/sqft
Days on Market ,
HOA $1,960/Annually
Annual Tax Est. $7,638.38
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT218314618
List Date February 5, 2026
Elementary School NA_Sun_City
Middle School NA_Sun_City
High School NA_Sun_City
School District ,

Luke Allen (TREC #788149) has deep knowledge of Georgetown 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 · February 5, 2026 $630,000
Previous ask $575,000
Current ask $550,000
Reduced $80,000 (-12.7%) 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 Georgetown

Comparable Listings Right Now

Homes currently for sale in Georgetown 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
300 Hanging Star Ln
Sun City Nbrhd 72
$550,000 $224 4 bd / 3 ba 2,455 sqft , 2026-06-03
113 Independence Creek Ln
Pud Sun City Georgetown Nbrhd
$549,950 $226 3 bd / 3 ba 2,435 sqft , 2026-09-03
117 Centerfire Ln
Sun City Texas
$553,390 $271 2 bd / 3 ba 2,043 sqft , 2026-08-06
213 Mustang Island Trl
Sun City Georgetown Neighborhood 43 Pud
$559,990 $217 3 bd / 4 ba 2,581 sqft , 2026-03-09
336 Kitty Hawk Rd
Sun City Nbrhd 68
$525,000 $284 3 bd / 2 ba 1,851 sqft , 2026-09-18

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
$2,640/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
$110,000
20% conventional investment loan

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

Estimated Gross Rent+$2,640
Principal + Interest−$3,002
Property Tax (~2.1% TX avg)−$963
Insurance (~0.5%)−$229
Est. Monthly Cash Flow $-1,554

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 Georgetown, TX

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

Dell Technologies HQ 20 min S
Apple Campus (Domain) 30 min S
Williamson County jobs hub 5-10 min

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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 18, 2026.

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