Active Listing  ·  87 days on market

3901 Sansome Ln

Round Rock, TX 78681
$599,900
5 Bed 4 Bath 2,928 sqft $205/sqft Built 2014 0.21 acres 2-Car Garage Pool Highlands at Mayfield Ranch

Welcome to this beautifully updated 5-bedroom, 4-bathroom home in the highly desirable Highlands at Mayfield Ranch community in Round Rock. Offering approximately 3,000 square feet of thoughtfully designed living space, this home combines comfort, functionality, and style in one exceptional package.

Freshly updated with all new paint, new carpet, and refinished hardwood floors, the interior feels bright, clean, and move-in ready. The spacious floor plan includes a large private office with French doors, ideal for working from home or creating a quiet retreat. Three of the five bedrooms feature ensuite bathrooms, including a private upstairs suite perfect for guests or multigenerational living. 4 bedrooms downstairs, one suite upstairs.

The beautifully appointed kitchen features custom cabinetry, built-in appliances, and a large center island that opens seamlessly to the main living areas — perfect for entertaining and everyday living. All appliances convey, including the refrigerator, washer, dryer, and water softener for added convenience.

Step outside to enjoy the enclosed back patio overlooking a professionally landscaped backyard complete with a pergola and gas firepit, creating an ideal setting for relaxing evenings or outdoor gatherings.

Residents of Highlands at Mayfield Ranch enjoy access to three community pools along with parks, trails, and convenient access to shopping, dining, and neighborhood schools.

At $205/sqft, this home is 4% below the Round Rock active market average of $213/sqft, potentially representing value relative to comparable properties currently on the market. View Austin market report →

Location

3901 Sansome Ln, Round Rock, TX 78681

Property Details

Price $599,900
Status Active Listing
Beds 5
Full Baths 4
Half Baths ,
Living Area 2,928 sqft
Lot Size 0.21 acres (9,016.92 sqft)
Year Built 2014
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Highlands at Mayfield Ranch
County Williamson
Zip Code 78681
$/sqft $205/sqft
Days on Market ,
HOA $150/Quarterly
Annual Tax Est. $11,299.9
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT230776333
List Date May 20, 2026
Elementary School Wolf Ranch Elementary
Middle School James Tippit
High School East View
School District ,

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

Schedule a Call →

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 · May 20, 2026 $685,000
Previous ask $625,000
Current ask $599,900
Reduced $85,100 (-12.4%) 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 Round Rock

Comparable Listings Right Now

Homes currently for sale in Round Rock 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
4109 Massey Way
Mayfield Ranch Sec 07
$600,000 $220 4 bd / 3 ba 2,726 sqft , 2026-07-24
3831 Sapphire Loop
Mayfield Ranch Sec 08
$585,000 $183 4 bd / 4 ba 3,205 sqft , 2026-06-18
4011 Honey Bear Loop
Vista Oaks Rev 1A
$625,000 $236 4 bd / 3 ba 2,644 sqft , 2026-06-22
3780 Turetella Dr
Village Mayfield Ranch Ph 01
$569,000 $180 4 bd / 3 ba 3,156 sqft , 2026-08-13
3821 Lombard St
Mayfield Ranch
$639,900 $221 4 bd / 4 ba 2,901 sqft , 2026-07-24

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
$2,880/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
$119,980
20% conventional investment loan

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

Estimated Gross Rent+$2,880
Principal + Interest−$3,274
Property Tax (~2.1% TX avg)−$1,050
Insurance (~0.5%)−$250
Est. Monthly Cash Flow $-1,694

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 Round Rock, TX

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

Dell Technologies HQ 5 min
Apple Campus (Domain) 15 min S
Samsung Austin Semiconductor 20 min SW
Tesla Gigafactory 35 min S

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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 13, 2026.

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