3500 Shellcastle Ln, Round Rock, TX 78681

Last listed at $495,000, closed on nov 2021

$435,582

•

2,019

sq ft

3500 Shellcastle Ln, Round Rock, TX 78681

About this home

3 bed/2 bath, + DEDICATED OFFICE that could double as a bedroom. Over $50K in upgrades listed in the attachments. Don't miss this . 19 corner lot Mayfield Ranch stunner! Similar SQFT house across the street sold for $520K! (MLS 8846768 @ $253 a SQFT) Walk into instant equity at $245 a SQFT. Large private backyard entertainers’ paradise. New A/C 4/2020 with 10 yr warranty // New Roof & window screens 10/2021 // new fence with metal posts 2018 Approximately ~800 SQFT of fully permitted covered patio entertaining space added with fans & tv mounts! Huge private backyard with side yard and sidewalk added. Large live oak cluster in the back yard. 1 story home with high ceilings, gorgeous wood flooring, and lots of windows. Gourmet kitchen with granite counter tops, a breakfast bar, & gas stove. The great room has a gas fireplace that turns on with a convenient, flick of a switch. The primary bedroom has high ceilings, bay windows, and a spacious spa bath with dual sinks, separate shower, and soaking tub. Blocks from Mayfield Ranch Community Swim Center complete with pavilion, kids resort style splash pad, & adult lap pool! Highly rated Round Rock School District! Close to shopping and the best restaurants. * * * Open House Sunday 10/17 1-4PM * * *

Single-familyProperty Type

2007Year Built

8,581 sq ftLot Size

$216Est. Price/Sq.Ft.

2 car garageParking

Listed by Patrick Eitel • Keller Williams Realty

Bought with Tarek Morshed • Kuper Sotheby's Int'l Realty

Redfin checked: 2 minutes ago

•Source:Unlock MLS #2759721

Redfin Estimate

$435,582

$59K under list price of $495K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4% higher than the average sale price ($419K) of 6 comparable homes.

SOLD JUL 2, 2026
$439,900
A
3 beds2 baths2,060 sq ft
3706 Gentle Winds Ln, Round Rock, TX 78681
SOLD NOV 2, 2026
$375,000
B
3 beds2.5 baths1,997 sq ft
3503 Rock Shelf Ln, Round Rock, TX 78681
SOLD MAY 8, 2026
$399,900
C
3 beds2 baths1,967 sq ft
3721 Pine Needle Cir, Round Rock, TX 78681
SOLD JUN 8, 2026
$484,000
D
3 beds2.5 baths2,538 sq ft
3802 Azur Ln, Round Rock, TX 78681
SOLD APR 2, 2026
$439,500
E
3 beds2 baths1,834 sq ft
3341 Winding River Trl, Round Rock, TX 78681
SOLD JUL 29, 2026
$375,000
F
4 beds2 baths1,688 sq ft
3850 Castle Rock Cv, Round Rock, TX 78681

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Earn from this home

Sell

$408,495

Est. take-home

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Rent

$3,105/mo

Redfin rental estimate

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Market trends in 78681, TX

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

97.7%

0.2% MoM

Median sale price

$489K

$144 MoM

Avg. days on market

46d

0 days MoM

Recently sold homes

149

3 MoM

New listings for sale

$1,179,000
4 beds4 baths4,122 sq ft
2204 Walsh Dr, Round Rock, TX 78681
$400,000
3 beds2 baths1,585 sq ft
4508 Post Loop, Round Rock, TX 78681
$849,900
5 beds4 baths4,008 sq ft
8505 Sea Ash Cir, Round Rock, TX 78681
$650,000
3 beds2 baths2,193 sq ft
3003 Oak Bend Dr, Round Rock, TX 78681
$600,000
4 beds3.5 baths2,601 sq ft
3813 Broadway Path, Round Rock, TX 78681
$625,000
3 beds3.5 baths2,402 sq ft
3817 Broadway Path, Round Rock, TX 78681
$267,500
3 beds2 baths1,167 sq ft
1601 Meadows Dr, Round Rock, TX 78681
$799,000
5 beds4 baths3,808 sq ft
2909 Agave Loop, Round Rock, TX 78681
$285,000
3 beds2 baths1,032 sq ft
1503 Meadows Dr, Round Rock, TX 78681
$480,000
4 beds2 baths2,038 sq ft
1700 Deep Wood Dr, Round Rock, TX 78681
See all

Provided by Redfin

Sale history for 3500 Shellcastle Ln

Year

Property tax

Land + Additions

Assessment*

2026

$7,664 (−11.0%)

$107,000 + $318,958

$425,958

2025

$8,611 (+11.7%)

2024

$7,707 (−6.2%)

$120,000 + $315,055

$435,055

2023

$8,217 (−21.0%)

$136,000 + $332,486

$468,486

2022

$10,397 (+49.2%)

$124,000 + $424,225

$548,225

2021

$6,968 (+2.6%)

2020

$6,791

$75,160 + $227,384

$302,544

2019

$6,787 (+0.4%)

$73,030 + $227,601

$300,631

2018

$6,758 (+8.2%)

$67,000 + $213,067

$280,067

2016

$6,247 (+10.3%)

$67,000 + $213,067

$280,067

2015

$5,663 (+9.8%)

2014

$5,156 (+8.3%)

$43,900 + $175,255

$219,155

2012

$4,762 (+2.2%)

$43,900 + $176,674

$220,574

2011

$4,661 (−4.6%)

2010

$4,887

2009

$4,887

Tax history for 3500 Shellcastle Ln

Year

Property tax

Land + Additions

Assessment*

2026

$7,664 (−11.0%)

$107,000 + $318,958

$425,958

2025

$8,611 (+11.7%)

2024

$7,707 (−6.2%)

$120,000 + $315,055

$435,055

2023

$8,217 (−21.0%)

$136,000 + $332,486

$468,486

2022

$10,397 (+49.2%)

$124,000 + $424,225

$548,225

2021

$6,968 (+2.6%)

2020

$6,791

$75,160 + $227,384

$302,544

2019

$6,787 (+0.4%)

$73,030 + $227,601

$300,631

2018

$6,758 (+8.2%)

$67,000 + $213,067

$280,067

2016

$6,247 (+10.3%)

$67,000 + $213,067

$280,067

2015

$5,663 (+9.8%)

2014

$5,156 (+8.3%)

$43,900 + $175,255

$219,155

2012

$4,762 (+2.2%)

$43,900 + $176,674

$220,574

2011

$4,661 (−4.6%)

2010

$4,887

2009

$4,887

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

—

Baths

Stories

Lot width

—

Lot depth

—

Lot size

8,564 Sq. Ft.

Year renovated

2007

Sq. Ft.

2,019

Year built

2007

Style

Single Family Residential

County

Williamson County

APN

R460801

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 9, 2026.

Property details

Parking

Garage/Carport Information
Has Garage
# of Garage Spaces: 2

Parking
Features: Attached, Garage Faces Front
# of Parking (Total): 2
# of Covered Spaces: 2

Interior

Virtual Tour

Bedroom Information
# of Main Level Bedrooms: 3

Bathroom Information
# of Full Bathrooms: 2

Room 1 Information
Living Room
Features: Ceiling Fan(s)
Level: Main

Room 2 Information
Kitchen
Features: Breakfast Bar, Eat-in Kitchen, Kitchen/Family Room Combo
Level: Main

Room 3 Information
Dining Room
Features: Dining Area
Level: Main

Room 4 Information
Bathroom
Level: Main

Room 5 Information
Bedroom
Features: Ceiling Fan(s), Jack and Jill Bath
Level: Main

Room 6 Information
Bedroom
Features: Jack and Jill Bath
Level: Main

Room 7 Information
Features: Double Vanity, Garden Tub/Roman Tub, Recessed Lighting, Walk-In Closet(s)
Level: Main

Room 8 Information
Features: Ceiling Fan(s)
Level: Main

Laundry Information
Features: Main Level, Laundry Room, Washer Hookup, Gas Dryer Hookup

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Features: Gas Log, Living Room

Equipment
Appliances: Dishwasher, Exhaust Fan, Gas Cooktop, Disposal, Gas Oven, Gas Water Heater, Microwave, Stainless Steel Appliance(s)

Interior Features
Window Features: Blinds, Screen(s)
Flooring: Tile, Wood
Other Features: Breakfast Bar, Ceiling Fan(s), Separate/Formal Dining Room, Eat-in Kitchen, Multiple Dining Areas, Main Level Primary, No Interior Steps, Open Floorplan, Recessed Lighting, Walk-In Closet(s)

Exterior

Building Information
Stories: 1
Year Built Source: Public Records
Roof Details: Composition, Shingle
Construction Details: Brick

Exterior Features
Exterior Features: No Exterior Steps, Private Yard, Rain Gutters
Patio And Porch Features: Covered, Patio
Security Features: Smoke Detector(s)
Fencing: Privacy, Wood

Pool and Spa Information
Pool Features: Community

Lot Information
Lot Size Area: 0.197
Lot Size Acres: 0.197
Lot Features: Back Yard, Front Yard, Sprinklers Automatic

Property Information
Direction Faces: Northeast
Foundation Details: Slab
Resale

Financial

Assessments and Fees
Assessed Value: $362,639

Tax Information
Annual Tax Amount: $7,470
Tax Year: 2021

Utilities

Utility Information
Utilities: Electricity Available, Natural Gas Available, Water Connected
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Cooling
Cooling: Electric
Has Heating
Heating: Natural Gas

Location

HOA Information
Has Home Owners Association
Association Name: Mayfield Ranch HOA
Association Fee: $35
Monthly
Association Fee Includes: Common Area Maintenance

Community Information
Community Features: Dog Park, Playground, Park, Pool, Curbs

Public facts

Beds: —
Baths: 2.0
Sq. Ft.: 2,019
Stories: 1.0
Lot Size: 8,564 square feet
Style: Single Family Residential
Year Built: 2007
Year Renovated: 2007
County: Williamson County
APN: R460801

Home facts updated by county records on Oct 9, 2026

Around this home

Schools

K - 12
Preschool & daycare

Chandler Oaks Elementary School

Public PreK-5 • Assigned • 0.6mi

9/10

James Garland Walsh Middle School

Public 6-8 • Assigned • 1.3mi

9/10

Stony Point High School

Public 9-12 • Assigned • 5.0mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.77% chance of being in a wildfire in next 30 years

8/10 Heat Factor

7 days above 107° expected this year, 24 days in 30 years

6/10 Wind Factor

70% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Round Rock, TX • 78681

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 5 hours in December, which is comparable to the U.S. average for solar exposure.

9.5 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$414,000 – $501,000

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Home values near 3500 Shellcastle Ln

Data from public records.

Address	Redfin Estimate
3504 Shellcastle Lane, Round Rock, TX - Beds \| 2 Baths \| 1903 Sq. Ft.	$412,368
3520 Shellcastle Lane, Round Rock, TX 4 Beds \| 3.5 Baths \| 3161 Sq. Ft.	$569,268
3509 Shellcastle Lane, Round Rock, TX 3 Beds \| 2 Baths \| 2324 Sq. Ft.	$466,744
3505 Shellcastle Lane, Round Rock, TX 3 Beds \| 2 Baths \| 2031 Sq. Ft.	$414,115
3440 Pine Needle Circle, Round Rock, TX 4 Beds \| 2 Baths \| 2050 Sq. Ft.	—
3500 Pine Needle Circle, Round Rock, TX - Beds \| 2.5 Baths \| 2928 Sq. Ft.	$523,076
3521 Chalkstone Lane, Round Rock, TX 4 Beds \| 3.5 Baths \| 2867 Sq. Ft.	$535,459

Address	Redfin Estimate
3512 Shellcastle Lane, Round Rock, TX - Beds \| 2 Baths \| 2349 Sq. Ft.	$453,876
3516 Shellcastle Lane, Round Rock, TX - Beds \| 2.5 Baths \| 3392 Sq. Ft.	$544,829
3513 Shellcastle Lane, Round Rock, TX 4 Beds \| 2.5 Baths \| 3132 Sq. Ft.	$565,082
3513 Pine Needle Circle, Round Rock, TX 3 Beds \| 2 Baths \| 2399 Sq. Ft.	$456,076
3436 Pine Needle Circle, Round Rock, TX 3 Beds \| 2 Baths \| 1889 Sq. Ft.	$409,693
3504 Pine Needle Circle, Round Rock, TX 4 Beds \| 3.5 Baths \| 3067 Sq. Ft.	$533,997
3501 Chalkstone Lane, Round Rock, TX 5 Beds \| 4 Baths \| 3147 Sq. Ft.	$556,598

Address	Redfin Estimate
3508 Shellcastle Lane, Round Rock, TX 4 Beds \| 2.5 Baths \| 2969 Sq. Ft.	$553,832
3517 Shellcastle Lane, Round Rock, TX 4 Beds \| 2.5 Baths \| 2667 Sq. Ft.	$492,096
3501 Shellcastle Lane, Round Rock, TX 3 Beds \| 3 Baths \| 2956 Sq. Ft.	$515,475
3509 Pine Needle Circle, Round Rock, TX 3 Beds \| 2 Baths \| 2259 Sq. Ft.	$411,933
3444 Pine Needle Circle, Round Rock, TX 4 Beds \| 3.5 Baths \| 2627 Sq. Ft.	$497,362
3508 Pine Needle Circle, Round Rock, TX 3 Beds \| 2 Baths \| 1884 Sq. Ft.	$404,978
3513 Chalkstone Lane, Round Rock, TX 4 Beds \| 3.5 Baths \| 3053 Sq. Ft.	$448,865

Property information provided by Unlock MLS when last listed in 2021. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 78681, TX

Sale history for 3500 Shellcastle Ln

Tax history for 3500 Shellcastle Ln

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 78681

Home values near 3500 Shellcastle Ln

More real estate resources