Active Listing  ·  55 days on market

3988 Lord Byron Cir

Round Rock, TX 78664
$679,000
5 Bed 4 Bath 3,826 sqft $177/sqft Built 2000 0.19 acres 2-Car Garage Pool Forest Crk Sec 16

Discover the perfect blend of luxury, space, and functionality in this beautifully remodeled nearly 4,000-square-foot home. Featuring 5 spacious bedrooms, 4 full bathrooms, and a dedicated study, this impressive residence offers an ideal layout for multigenerational living or those seeking room to grow. The heart of the home is the stunning open-concept living area, complete with a cozy fireplace, abundant natural light, and a large center island that anchors the brand-new chef’s kitchen. Thoughtfully updated throughout, you’ll find designer finishes, custom tile work, and beautifully renovated bathrooms that create a modern yet timeless feel. The private primary suite is a true retreat, boasting vaulted ceilings, a sitting area, and a private balcony overlooking the property. The luxurious five-piece ensuite bath features custom tile, premium finishes, and a large walk-in closet with built-in shelving. Upstairs, a spacious game room loft with its own balcony provides the perfect flex space for entertainment, work, or relaxation. Situated on a generous lot, the exterior offers exceptional curb appeal with four-side brick construction, a welcoming front patio, a spacious back patio, covered carport, extended driveway, and a two-car garage. Located within a highly rated school district and offering convenient access to major thoroughfares, this exceptional property combines comfort, convenience, and sophisticated living.

At $177/sqft, this home is 17% below the Round Rock active market average of $214/sqft, potentially representing value relative to comparable properties currently on the market. View Austin market report →

Location

3988 Lord Byron Cir, Round Rock, TX 78664

Property Details

Price $679,000
Status Active Listing
Beds 5
Full Baths 4
Half Baths ,
Living Area 3,826 sqft
Lot Size 0.19 acres (8,485.49 sqft)
Year Built 2000
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Forest Crk Sec 16
County Williamson
Zip Code 78664
$/sqft $177/sqft
Days on Market ,
HOA $216/Quarterly
Annual Tax Est. $9,683.68
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT237986552
List Date June 29, 2026
Elementary School Forest Creek
Middle School Ridgeview
High School Stony Point
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 · June 29, 2026 $685,000
Previous ask $680,000
Current ask $679,000
Reduced $6,000 (-0.9%) 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
3959 Lord Byron Cir
Forest Creek Sec 16
$675,000 $166 4 bd / 4 ba 4,062 sqft , 2026-01-08
2244 Fernspring Dr
Lake Forest 02 Village 01
$669,000 $161 4 bd / 4 ba 4,161 sqft , 2026-04-24
2260 Fernspring Dr
Lake Forest 02 Village 01
$695,000 $193 4 bd / 4 ba 3,604 sqft , 2026-06-26
207 Silver Oak Dr
Creek Estates Ph 2
$699,999 $215 5 bd / 4 ba 3,262 sqft , 2026-03-16
3712 Royal Port Rush Dr
Forest Creek Ph 01 Sec 01
$650,000 $241 4 bd / 3 ba 2,692 sqft , 2026-08-20

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
$3,259/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
$135,800
20% conventional investment loan

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

Estimated Gross Rent+$3,259
Principal + Interest−$3,706
Property Tax (~2.1% TX avg)−$1,188
Insurance (~0.5%)−$283
Est. Monthly Cash Flow $-1,918

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

More Luxury Homes in Round Rock

Loading…
View All Luxury Homes →
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 21, 2026.

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