4100 Sapphire Loop, Round Rock, TX 78681

Last listed at $399,000, closed on jul 2019

$567,149

•

2,852

sq ft

4100 Sapphire Loop, Round Rock, TX 78681

About this home

Beautiful Single Story Home in Mayfield Ranch! 3 bedrooms, 2.5 baths, study/office, plus game room that could be a 4th bedroom, full 3 car garage, custom cabinetry, commercial grade appliances, silestone countertops-tile and wood floors, spacious and open kitchen/living/dining, serene master suite with attached spa bath which w/ true steam shower and garden tub, covered and extended stone patio, outside kitchen, with a water feature, no backyard neighbors. Excellent schools and community amenities!FEMA - Unknown Restrictions: Yes Sprinkler Sys:Yes

Single-familyProperty Type

2007Year Built

10,018 sq ftLot Size

$199Est. Price/Sq.Ft.

3 car garageParking

Listed by Thomas Brown • Agency Texas Inc

Listed by Analeisa Barron • Agency Texas Inc

Bought with Susan Albertson • Citywide Realty and Apartment Locators

Redfin checked: 2 minutes ago

•Source:Unlock MLS #5910440

Redfin Estimate

$567,149

$168K over list price of $399K

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.9% higher than the average sale price ($494K) of 5 comparable homes.

SOLD SEP 25, 2026
$449,900
A
4 beds2.5 baths2,552 sq ft
3843 Derby Trl, Round Rock, TX 78681
SOLD JUN 8, 2026
$484,000
B
3 beds2.5 baths2,538 sq ft
3802 Azur Ln, Round Rock, TX 78681
SOLD SEP 15, 2026
$600,000
C
4 beds3 baths2,726 sq ft
4109 Massey Way, Round Rock, TX 78681
SOLD JUL 8, 2026
$399,000
D
3 beds2.5 baths1,990 sq ft
1170 Stone Forest Trl, Round Rock, TX 78681
SOLD SEP 22, 2026
$535,000
E
3 beds2 baths2,496 sq ft
3920 Sapphire Loop, Round Rock, TX 78681

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$532,510

Est. take-home

List your home with Redfin and save $5,671

Rent

$3,287/mo

Redfin rental estimate

List your home for rent

Market trends in 78681, TX

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

96.7%

1.0% MoM

Median sale price

$467K

$20K MoM

Avg. days on market

61d

15 days MoM

Recently sold homes

125

21 MoM

New listings for sale

NEW 34 HRS AGO
$319,000
3 beds2 baths1,700 sq ft
4011 Hillside Dr, Round Rock, TX 78681
NEW 1 DAY AGO
$350,000
4 beds2 baths1,682 sq ft
3705 Castle Rock Dr, Round Rock, TX 78681
$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
OPEN SUN, 1PM TO 4PM
$849,900
5 beds4 baths4,008 sq ft
8505 Sea Ash Cir, 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
OPEN SUN, 12PM TO 2PM
$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
See all

Provided by Redfin

Sale history for 4100 Sapphire Loop

Date

Event

Price

Public Records

Sep 16, 2019

Sold

Unlock MLS #5910440

Jul 10, 2019

Sold

Jun 7, 2019

Pending

—

May 31, 2019

Price Changed

$399,000

$140/sq ft

May 22, 2019

Listed

$400,000

$140/sq ft

Public Records

Feb 10, 2017

Sold

Public Records

Feb 10, 2017

Sold

Unlock MLS #5665984

Feb 10, 2017

Sold

Feb 9, 2017

Pending

—

Jan 17, 2017

Pending

—

Jan 4, 2017

Relisted

—

Dec 30, 2016

Pending

—

Dec 26, 2016

Listed

$379,000

$133/sq ft

Amazing Grand Haven Built Single Story Home in Mayfield Ranch! 3 bedrooms, 2.5 baths, study/office, plus game room that could be a 4th bedroom, full 3 car garage, beautiful interior features including custom cabinetry, commercial grade appliances, silestone countes, tile and wood floors, spacious and open kitchen/living/dining, serene master suite with attached spa bath which w/ true steam shower and garden tub, covered and extended stone patio, outside kitchen, with a water feature, no backyard neighbors!FEMA - Unknown Restrictions: Yes Sprinkler Sys:Yes

Join or sign in to view all info

Year

Property tax

Land + Additions

Assessment*

2026

$11,152 (−9.6%)

$113,000 + $446,535

$559,535

2025

$12,342 (+4.0%)

$128,000 + $491,224

$619,224

2024

$11,865 (+10.4%)

$132,000 + $471,754

$603,754

2023

$10,747 (+1.4%)

2022

$10,598 (+1.0%)

2021

$10,497 (+12.7%)

$93,000 + $363,954

$456,954

2020

$9,312 (−2.2%)

$87,326 + $294,008

$381,334

2019

$9,523 (+1.1%)

$85,892 + $301,222

$387,114

2018

$9,417 (−1.4%)

$78,800 + $284,485

$363,285

2016

$9,549 (+8.8%)

$78,800 + $284,485

$363,285

2015

$8,778 (+10.1%)

$70,000 + $306,679

$376,679

2014

$7,976 (+13.2%)

2012

$7,048 (−7.7%)

$50,100 + $236,822

$286,922

2011

$7,640 (−1.4%)

2010

$7,750

2009

$7,750

Tax history for 4100 Sapphire Loop

Year

Property tax

Land + Additions

Assessment*

2026

$11,152 (−9.6%)

$113,000 + $446,535

$559,535

2025

$12,342 (+4.0%)

$128,000 + $491,224

$619,224

2024

$11,865 (+10.4%)

$132,000 + $471,754

$603,754

2023

$10,747 (+1.4%)

2022

$10,598 (+1.0%)

2021

$10,497 (+12.7%)

$93,000 + $363,954

$456,954

2020

$9,312 (−2.2%)

$87,326 + $294,008

$381,334

2019

$9,523 (+1.1%)

$85,892 + $301,222

$387,114

2018

$9,417 (−1.4%)

$78,800 + $284,485

$363,285

2016

$9,549 (+8.8%)

$78,800 + $284,485

$363,285

2015

$8,778 (+10.1%)

$70,000 + $306,679

$376,679

2014

$7,976 (+13.2%)

2012

$7,048 (−7.7%)

$50,100 + $236,822

$286,922

2011

$7,640 (−1.4%)

2010

$7,750

2009

$7,750

*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

2.5

Stories

Lot width

—

Lot depth

—

Lot size

10,036 Sq. Ft.

Year renovated

2007

Sq. Ft.

2,852

Year built

2007

Style

Single Family Residential

County

Williamson County

APN

R475399

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: 3

Parking
Features: Attached
# of Covered Spaces: 3

Interior

Bedroom Information
# of Main Level Bedrooms: 3

Bathroom Information
# of Full Bathrooms: 2
# of Half Bathrooms: 1

Room 1 Information
Workshop

Room 2 Information
Primary Bedroom

Room 3 Information
Office

Room 4 Information
Game Room

Room 5 Information
Primary Bathroom

Room 6 Information
Kitchen

Room 7 Information
Laundry

Room 8 Information
Dining Room

Room 9 Information
Family Room

Fireplace Information
Has Fireplace
# of Fireplaces: 1
Features: Family Room

Equipment
Appliances: Convection Oven, Down Draft, Double Oven, Dishwasher, Gas Cooktop, Disposal, Gas Water Heater, Microwave

Interior Features
Unfurnished
Flooring: Carpet, Tile, Wood
Other Features: Breakfast Bar, Crown Molding, Separate/Formal Dining Room, Entrance Foyer, French Door(s)/Atrium Door(s), High Ceilings, In-Law Floorplan, Multiple Living Areas, Multiple Dining Areas, Main Level Primary, No Interior Steps, Pantry, Recessed Lighting, Walk-In Closet(s)

Exterior

Building Information
Stories: 1
Roof Details: Composition
Construction Details: Masonry

Exterior Features
Exterior Features: Private Yard
Patio And Porch Features: Covered, Patio, Porch
Security Features: Smoke Detector(s)
Fencing: Fenced, Privacy

Pool and Spa Information
Pool Features: Community

Lot Information
Lot Size Area: 0.23
Lot Size Acres: 0.23
Lot Features: Agricultural, Corner Lot, Level, Moderate Trees, Sprinklers Automatic, Sprinklers In Ground, Sprinklers Multiple Locations

Property Information
Foundation Details: Slab
Resale

Financial

Tax Information
Tax Year: 2018

Rental Information
Pets Allowed Details: No

Utilities

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

Heating & Cooling
Has Cooling
Cooling: Central Air
Has Heating
Heating: Central

Location

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

Community Information
Community Features: Common Grounds/Area, Playground, Pool, Sidewalks, Trails/Paths, Curbs

Public facts

Beds: —
Baths: 2.5
Sq. Ft.: 2,852
Stories: 1.0
Lot Size: 10,036 square feet
Style: Single Family Residential
Year Built: 2007
Year Renovated: 2007
County: Williamson County
APN: R475399

Home facts updated by county records on Oct 9, 2026

Around this home

Schools

K - 12
Preschool & daycare

Monta Jane Akin Elementary School

Public PreK-5 • Assigned • 2.3mi

8/10

Florence W Stiles Middle School

Public 6-8 • Assigned • 2.3mi

10/10

Rouse High School

Public 9-12 • Assigned • 4.1mi

8/10

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, 23 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)

59°

38°

69°

46°

81°

56°

81°

62°

86°

66°

92°

75°

94°

75°

95°

74°

92°

68°

87°

62°

76°

53°

67°

47°

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

$539,000 – $653,000

Reach more buyers when you sell with Redfin. Save up to $5,671 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN SUN, 2PM TO 4PM

$625,000

4 beds3 baths3,139 sq ft

2420 Echo Park Dr, Leander, TX 78641

Single story living • Gourmet kitchen • Gas cooktop

OPEN SUN, 2PM TO 5PM

$359,999

4 beds2 baths1,554 sq ft

3555 Rock Shelf Ln, Round Rock, TX 78681

Single story • Open concept living • Gas range

3D WALKTHROUGH

$649,000

4 beds4 baths3,505 sq ft

751 Whitetail Dr, Round Rock, TX 78681

Private backyard • 7,927 sq ft lot • 3 garage spots

$516,000

4 beds2.5 baths2,311 sq ft

4030 Mason Cv, Round Rock, TX 78681

Single-story ranch • New roof • Gas fireplace

3D WALKTHROUGH

$700,000

5 beds3 baths3,730 sq ft

2604 Pecan Creek Dr, Leander, TX 78641

Two story home • Covered patio • Wood privacy fence

$479,900

4 beds3 baths2,200 sq ft

4376 Hannover Way, Round Rock, TX 78681

Granite countertops • Well sized backyard • 0.25 acre lot

New listings for sale in 78681

NEW 34 HRS AGO3D WALKTHROUGH

$319,000

3 beds2 baths1,700 sq ft

4011 Hillside Dr, Round Rock, TX 78681

Extended driveway • Garage conversion • Roof replaced

NEW 1 DAY AGO3D WALKTHROUGH

$350,000

4 beds2 baths1,682 sq ft

3705 Castle Rock Dr, Round Rock, TX 78681

Single-story home • Spacious backyard • Community pools

$1,179,000

4 beds4 baths4,122 sq ft

2204 Walsh Dr, Round Rock, TX 78681

Attached guest house • Outdoor kitchen • Horse barn

$400,000

3 beds2 baths1,585 sq ft

4508 Post Loop, Round Rock, TX 78681

Premium wood shutter • Neighborhood trails • Pickleball

OPEN SUN, 1PM TO 4PM

$849,900

5 beds4 baths4,008 sq ft

8505 Sea Ash Cir, Round Rock, TX 78681

Two dining areas • Spacious kitchen • Inviting sunroom

$600,000

4 beds3.5 baths2,601 sq ft

3813 Broadway Path, Round Rock, TX 78681

7,187 sq ft lot • 2 garage spots • Built 2022

$625,000

3 beds3.5 baths2,402 sq ft

3817 Broadway Path, Round Rock, TX 78681

Welcoming entry • Soaring ceilings • Exposed wood beams

OPEN SUN, 12PM TO 2PM

$267,500

3 beds2 baths1,167 sq ft

1601 Meadows Dr, Round Rock, TX 78681

Single story home • Corner lot • New roof

$799,000

5 beds4 baths3,808 sq ft

2909 Agave Loop, Round Rock, TX 78681

Private study • Game room • Media room

Home values near 4100 Sapphire Loop

Data from public records.

Address	Redfin Estimate
4112 Sapphire Loop, Round Rock, TX - Beds \| 3 Baths \| 3208 Sq. Ft.	$630,044
4108 Sapphire Loop, Round Rock, TX - Beds \| 3.5 Baths \| 4339 Sq. Ft.	$757,139
4105 Sapphire Loop, Round Rock, TX 4 Beds \| 3.5 Baths \| 2962 Sq. Ft.	$586,511
3815 Sapphire Loop, Round Rock, TX - Beds \| 2.5 Baths \| 2861 Sq. Ft.	$599,575
4000 Sapphire Loop, Round Rock, TX 4 Beds \| 2 Baths \| 2366 Sq. Ft.	$512,060
4005 Sapphire Loop, Round Rock, TX - Beds \| 5 Baths \| 3880 Sq. Ft.	$675,501
3803 Sapphire Loop, Round Rock, TX - Beds \| - Baths \| - Sq. Ft.	$594,349

Address	Redfin Estimate
3807 Sapphire Court, Round Rock, TX - Beds \| 2.5 Baths \| 2821 Sq. Ft.	$551,376
3803 Sapphire Court, Round Rock, TX 4 Beds \| 3.5 Baths \| 3105 Sq. Ft.	$625,456
4109 Sapphire Loop, Round Rock, TX 4 Beds \| 4 Baths \| 3564 Sq. Ft.	$639,688
4008 Sapphire Loop, Round Rock, TX 4 Beds \| 2.5 Baths \| 3466 Sq. Ft.	$573,696
4004 Sapphire Loop, Round Rock, TX 3 Beds \| 2.5 Baths \| 2620 Sq. Ft.	$503,769
4001 Sapphire Loop, Round Rock, TX 3 Beds \| 2 Baths \| 2559 Sq. Ft.	$480,797
4109 Twilight Cove, Round Rock, TX 4 Beds \| 3.5 Baths \| 3603 Sq. Ft.	$707,427

Address	Redfin Estimate
4104 Sapphire Loop, Round Rock, TX 4 Beds \| 3.5 Baths \| 3241 Sq. Ft.	$601,535
4101 Sapphire Loop, Round Rock, TX 5 Beds \| 4.5 Baths \| 3906 Sq. Ft.	$685,535
3811 Sapphire Loop, Round Rock, TX 4 Beds \| 3.5 Baths \| 4112 Sq. Ft.	$712,702
4012 Sapphire Loop, Round Rock, TX 3 Beds \| 2 Baths \| 2338 Sq. Ft.	$482,745
4009 Sapphire Loop, Round Rock, TX 4 Beds \| 3.5 Baths \| 3665 Sq. Ft.	$601,891
4013 Sapphire Loop, Round Rock, TX 4 Beds \| 3.5 Baths \| 3450 Sq. Ft.	$612,133
4105 Twilight Cove, Round Rock, TX - Beds \| 3 Baths \| 2882 Sq. Ft.	$643,940

Property information provided by Unlock MLS when last listed in 2019. This data may not match . Learn more.

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

78729 homes for sale
78660 homes for sale
78681 homes for sale
78717 homes for sale
78628 homes for sale

Houses for rent in Round Rock	Agents near me	Frisco, TX homes for sale	Round Rock Housing Market
Houses for sale near me	Austin, TX homes for sale	Plano, TX homes for sale
Land for sale near me	Dallas, TX homes for sale	Fort Worth, TX homes for sale
Open Houses near me	Houston, TX homes for sale	Round Rock Property Records
Condos for sale near me	San Antonio, TX homes for sale	TX New Listings

Austin homes for sale
Leander homes for sale
Cedar Park homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 78681, TX

Sale history for 4100 Sapphire Loop

Tax history for 4100 Sapphire Loop

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 4100 Sapphire Loop

More real estate resources