When was property at 8311 Sumner Court built and last sold?

The property at 8311 Sumner Court was built in 1993 and last sold on Jun 11, 2004 for $471,800.

How much is this home worth?

The estimated value of the home located at 8311 Sumner Court is $0.

What are some comparable homes to 8311 Sumner Court?

There are currently no comparable homes to 8311 Sumner Court.

Austin

78733

Rob Roy on The Lake

8311 SUMNER CT

Sold on Nov 30, -0001

Map

$1,789,000

● House - Off Market

8311 SUMNER CT

Austin, TX 78733

4 Beds

3 Baths

3,452 Ft²

$10,931

Est. Monthly

$83

HOA / Fees

1.88%

Cap Rate

About This Property

Situated on a corner lot totaling 1.24 acres in the highly desirable Rob Roy on the Lake, Villa Sumner is a timeless Santa Barbara-style retreat featuring 4 bedrooms and 3 baths, including 2 bedrooms on the main level. Thoughtfully updated with new hardwood floors, fresh interior and exterior paint, updated HVAC systems, electrical improvements, and a re-plastered pool deck, the home blends classic elegance with modern comfort. The courtyard-style pool, located just off the front entry, creates a striking and inviting welcome. Enjoy the privacy and serenity of the open green space and walking trails directly behind the home, offering a unique connection to nature. Villa Sumner is move-in ready and awaits your personal touch.

Unit Size

3,452 Ft²

Days on Market

Land Size

1.25 acres

Price per sqft

$518

Property Type

House

Property Taxes

$2,063

HOA Dues

$83

Year Built

1993

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Cap Rate Calculator

Last updated: 5 months ago (Unlock MLS #ACT4303770)

Price History

Date / Event	Date	Event
Aug 5, 2025	In contract	-
In contract
Jul 12, 2025	Price Decreased	$1,789,000 ↓ $36K (2%)
Price Decreased
May 30, 2025	Listed by Christie's Int'l Real Estate	$1,825,000
Listed by Christie's Int'l Real Estate

Property Highlights

Garage

Air Conditioning

Fireplace

Building Info

Overview

General

Year Built: 1993

Effective Year Built: 1993
Building Count: 1
Bedroom Count: 0
Bathroom Count: 3
Full Bathrooms: 3
Partial Bathrooms: 3
Building Condition: 6
Building Quality: 7
Construction Type: 17
Building Style: 0
Exterior Walls Type: 0
Interior Walls Type: 0
Roof Shape Type: 8
Roof Cover Type: 18
Floor Count: 200
Living Units: 1
Floor Cover: 0
Basement Type: 0
Basement Area: 0
Garage Type: 1
Garage Square Area: 594
Parking Space Count: 2
Patio Type: 20
Porch Type: 7
Pool Type: 8

Dimensions

Lot Size Square Feet: 54,250

Total Building Area: 4,046
Gross Building Area: 4,046
Building Area: 3,452
Building Area Measurement: L

Heating and Cooling

Fireplace Count: 1

Air Conditioning: 1
Heating: 3
Heated Square Feet: 3,452
Heating Fuel Type: 0

Utilities

Sewer System: 0

Water Service: 0

Building

Building Type: 0

Property Class: R
Subdivision: ROB ROY ON THE LAKE SEC 2
Land Acres: 0000001245
Standard Land Use Code: 1001
County Land Use Code: A1
State Land Use Code: A1
Legal Description 1: LOT 45 BLK B ROB ROY ON THE LAKE SEC 2

Neighborhood

School District Name: Eanes Independent School District

School Tax School District: EANES ISD
Census Tract: 001912

Geography

Assessors Map Reference: 0125300102

Account Number: 122762
Parcel: 122762
Block: B
Lot: 45
Municipality: UNINCORPORATED COUNTY
Latitude: 30.3192
Longitude: -97.8528

Address

Full Address: 8311 Sumner Ct

Address - House Number: 8311
Address - Street Name: Sumner
Address - Suffix Type: Ct
State: TX
City Name: Austin
Carrier Code: R161
4-Digit Zip Code: 4218
Zip Code: 78733

Valuation

Tax

Tax Year: 2022

Tax Amount: $3,228,061
Tax Rate Code Area: 39

Appraisal Valuation

Standard Deviation: 0.2537

Valuation Date: Aug 09, 2023
Confidence Score: 64
Final Value: 1,778,579
High Value: 2,229,898
Low Value: 1,327,259

Market Valuation

Market Total Value: $2,230,260

Market Land Value: $525,000
Market Improvement Value: $1,705,260

Assessments Valuation

Assessed Year: 2023

Assessed Total Value: $2,230,260
Assessed Land Value: $525,000
Assessed Improvements Value: $1,705,260

Sales

Current Sale Contract Date: Jun 11, 2004

Current Sale Recording Date: Jun 22, 2004
Current Sale Price:

Premium
Current Sale Document Type: 70
Current Sale Input Document Number: 2004119157
Previous Sale Recording Date: Jan 27, 1994
Previous Sale Contract Date: Jan 20, 1994
Previous Sale Amount: $392,500
Previous Sale Document Type: 71

Last Sale Mortgage

First Mortgage Lender:

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Financing

First Mortgage Financing Type: ADJ

Previous Mortgages

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Data used for valuation calculations is provided by RealtyHop, and other third party sources

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Comparables

About Rob Roy on The Lake

Stats & Trends

Median Asking:

$2,200,000

Sale Price/ft²

$501

Below Asking

0.06%

Average Days on Market

105

Average Home Size

5668 ft²

Average Home Age

30.7 years

Currently For Sale

0 Listings

Based on RH Advisors, Inc. calculations of home data from MLS and/or public records.

Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

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Listed by: Dara Allen
Listed Office: Christie's Int'l Real Estate - Listing courtesy of Unlock MLS
Phone: (512) 368-8078
Last Updated: 2026-05-31 07:35:34
Data Source: Unlock MLS, MLS# ACT4303770

Details provided by Unlock MLS as Distributed by MLS Grid and may not match the public record.
Based on information from Unlock MLS (alternatively, from ACTRIS). Neither the Board nor ACTRIS guarantees or is in any way responsible for its accuracy. All data is provided “AS IS” and with all faults. Data maintained by the Board or ACTRIS may not reflect all real estate activity in the market. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some IDX listings have been excluded from this website.