Active Listing  ·  14 days on market

7924 Castelardo Pl

Round Rock, TX 78665
$379,000
4 Bed 3 Bath 2,327 sqft $163/sqft Built 2017 0.11 acres 2-Car Garage Pool Siena Patio Homes

Welcome to 7924 Castelardo Place in Siena Patio Homes, Round Rock. Built in 2017, this two-story home offers 4 bedrooms, 2.5 baths, and approximately 2,327 sq ft -- the largest plan in Siena Patio Homes. The open-concept living and dining areas flow into a kitchen with a large island and modern finishes, a layout that works equally well for daily routines and hosting. The primary suite includes a separate tub and shower and a walk-in closet, and the secondary bedrooms offer generous closet space. Additional features include a 2-car garage, a fenced backyard, and access to community amenities. Conveniently located near major roadways and shopping, and zoned to Hutto ISD. Vacant and easy to show. Buyer to verify all information.

At $163/sqft, this home is 22% below the Round Rock active market average of $208/sqft, potentially representing value relative to comparable properties currently on the market. View Austin market report →

Location

7924 Castelardo Pl, Round Rock, TX 78665

Property Details

Price $379,000
Status Active Listing
Beds 4
Full Baths 2
Half Baths 1
Living Area 2,327 sqft
Lot Size 0.11 acres (4,791.6 sqft)
Year Built 2017
Garage 2 spaces
Stories ,
Type Residential · Single Family Residence
Subdivision Siena Patio Homes
County Williamson
Zip Code 78665
$/sqft $163/sqft
Days on Market ,
HOA $105/Quarterly
Annual Tax Est. $8,439.36
Pool Yes
Waterfront ,
New Construction ,
MLS # ACT247809025
List Date September 24, 2026
Elementary School Benjamin Doc Kerley Elementary
Middle School Gus Almquist
High School Hutto
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 · September 24, 2026 $389,000
Current ask $379,000
▼ Reduced $10,000 (-2.6%) 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
5628 Corsica Loop
Siena
$378,000 $149 4 bd / 3 ba 2,539 sqft , 2026-06-03
6289 Mantalcino Dr
Siena Sec 28
$375,000 $199 3 bd / 2 ba 1,882 sqft , 2026-05-22
7501 Lombardy Loop
Siena Sec 3
$370,000 $177 3 bd / 2 ba 2,092 sqft , 2026-10-02
6025 Gimignano Pl
Siena
$396,000 $176 3 bd / 2 ba 2,247 sqft , 2026-09-19
1275 Chad Dr
Madsen Ranch Ph 2
$399,000 $188 4 bd / 3 ba 2,123 sqft , 2026-09-23

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
$1,819/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
$75,800
20% conventional investment loan

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

Estimated Gross Rent+$1,819
Principal + Interest−$2,068
Property Tax (~2.1% TX avg)−$663
Insurance (~0.5%)−$158
Est. Monthly Cash Flow $-1,070

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 October 6, 2026.

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