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Keenan Group#1 Austin Board of Realtors Team 2024

$644,000

5Beds
4.5Baths
3,317Sq Ft
0.28 acresLot
Pending

20503 Bonanza St, Lago Vista, TX 78645

Lago Vista·MLS# 9521727·Built 2020

5 bed, 4 bath, 3,317 sqft on 0.28 acres in Lago Vista. Lago Vista, TX 78645. $644,000. Lago Vista ISD.

About This Home

Spacious and beautifully designed, this 5-bedroom, 4.5 bath home offers 3,317 square feet of well-planned living space on a total of approximately 0.56 acres, which already includes an additional lot. The entire property, including the extra lot, is fully fenced, providing privacy, security, and flexibility. The home features tile and wood flooring throughout along with high end fixtures that add a refined touch. The main living area is filled with natural lighting from expansive windows and centers around a cozy fireplace, seamlessly opening to the kitchen and dining area for easy entertaining. A dedicated media room provides the perfect space for movies or game days, while abundant storage throughout the home keeps everything organized. A unique feature is the tiled garage, already equipped with a kitchen and full bath, offering excellent potential to convert into additional living space, guest quarters, or a private suite. Convenience is built in with two laundry areas, one upstairs and one downstairs. Outdoor living is just as impressive, with multiple decks, a covered patio, and an outdoor kitchen ideal for gatherings. The custom designed treehouse adds a special touch that makes this property truly one of a kind. The beautifully landscaped yard includes over a hundred young knockout roses along with native and drought tolerant plants such as crepe myrtles, red yucca, Esperanza, pride of Barbados, live oaks, figs, and pomegranates, creating a vibrant setting with low water needs. This is a thoughtfully designed home that blends comfort, functionality, and quality in every detail. Income opportunity by leasing out the garage apartment. Live Like You are on Vacation! Please call 2nd agent, for all questions, showings and offers.

Property Type
Residential
Year Built
2020
Lot Size
0.28 acres
Price / Sq Ft
$194
HOA
$240/year
Garage
2 spaces

Listing information last updated September 29, 2026.

Listed by eXp Realty, LLC

MLS# 9521727 • Pending

IDX inquiries: Keenan Group at Compass · (512) 415-7653

Highlights

2-car garage with additional parking capacity
Generous 0.28-acre lot
Breakfast Bar
Ceiling Fan(s)
Quartz Counters
Double Vanity

Facts & Features

Interior

Features

  • Breakfast Bar
  • Ceiling Fan(s)
  • Quartz Counters
  • Double Vanity
  • Entrance Foyer
  • Kitchen Island
  • Open Floorplan

Appliances

  • Cooktop
  • Dishwasher
  • Disposal
  • Microwave
  • Electric Oven
  • Double Oven
  • Refrigerator
  • Washer
  • Dryer
  • Washer
  • Dryer Stacked

Flooring

  • Tile
  • Wood
Heating
Central,Electric
Cooling
Ceiling Fan(s),Central Air
Fireplaces
1
Exterior & Lot

Features

  • Garden
  • Outdoor Grill
  • Private Entrance
  • Private Yard

Construction

  • Masonry – All Sides
  • Cement Siding
  • Stone

Lot Features

  • Back Yard
  • Cul-De-Sac
  • Front Yard
  • Garden
  • Near Public Transit
  • Public Maintained Road
  • Trees-Medium (20 Ft - 40 Ft)

Fencing

  • Perimeter
  • Privacy
  • Wrought Iron

Foundation

  • Slab

Patio / Porch

  • Covered
  • Deck
  • Patio
  • Porch
Roof
Shingle
Lot Size
0.28 Acres

Parking

  • Attached
  • Driveway
  • Garage
Garage Spaces
2
Financial
HOA Fee
$240 / year
Original List Price
$641,000
Price per Sq Ft
$194
Utilities
  • Electricity Connected
  • Sewer Connected
  • Water Connected
Water Source
Public
Sewer
Public Sewer

Transaction History

1 record on file

Every recorded listing, sale, and lease at 20503 Bonanza ST, whoever represented it.

  1. PendingListed 2026
    Current price: $644,000Original list: $641,000MLS 9521727
    1. Listed · March 26, 2026$641,000
    2. Price changed · March 27, 2026$649,000
    3. Price changed · July 10, 2026$644,000

Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.

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Price & Listing History

Pending with current price, original ask, and market time.

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Current list
$644,000
Original list
$641,000
Price movement
No verified reduction
Listed / DOM
Mar 26, 2026 · 187 days

Tax Record

Public record data from county appraisal records. Market value can differ from assessed value.

Assessed Value
$523,854
Assessment Year
2025
Year Built
2020
Parcel ID
000000979531
YearTaxesTotal AssessmentLandAdditions
2025
—$523,854——

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Virtual tour of 20503 Bonanza St
Map showing 20503 Bonanza ST
20503 Bonanza ST
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Zoned Schools

Lago Vista ISD →

1 High School

Lago Vista

High SchoolGrades 9-12Zoned assignment

Zoned assignments come from the property school fields available to us. District context schools are shown only when an assigned tier is missing. Contact the school district directly to verify current boundaries and enrollment eligibility.

Principal & interest
$3,567
HOA dues
$20

Excluded from this estimate: property taxes and home insurance. Each requires verified amount, cadence or unit, source, and as-of details.

HOA source: MLS Grid / Unlock MLS, as of 2026-10-16T07:07:20.919+00:00; normalized from annual dues.

20% ($129K)

Adjustable assumption - not a lending recommendation.

$644,000

Loan: $515K
Mortgage rate%
Payoff: ~2056
Rate source: Freddie Mac 30-year fixed average (PMMS via FRED), as of 2026-10-15
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Keenan Market Position

A sourced read on Lago Vista pricing, timing, and property scale. No automated valuation claim.

List price

$644,000

Price per sqft

$194/sqft

Vs. Neighborhood guide reference price

Not available

Days on market

187 days

Original to current

No verified reduction

$641K original

Active inventory context

Ask for current inventory

Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 16, 2026.

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Frequently Asked Questions

How much is 20503 Bonanza St?

20503 Bonanza St is listed at $644,000 with 5 bedrooms, 4 full, 1 half bathrooms, 3,317 square feet, 0.28-acre lot. This places it above the ZIP 78645 single-family closed-sale median price of $454,500 (ZIP 78645 geography · single-family closed sales · median sale price · trailing 12 months as of Oct 19, 2026).

What school district is 20503 Bonanza St in?

20503 Bonanza St is zoned for Lago Vista ISD with assigned schools: Lago Vista (elementary), Lago Vista (middle), Lago Vista (high). School assignments should be verified directly with the district.

What are the property details for 20503 Bonanza St?

20503 Bonanza St is a Residential built in 2020 featuring 5 bedrooms, 4 full, 1 half bathrooms, 3,317 square feet, 0.28-acre lot.

What are the property taxes for 20503 Bonanza St?

The most recent annual property tax for 20503 Bonanza St is $11,162. Texas has no state income tax, so property taxes are a primary revenue source. Rates vary by jurisdiction and exemptions. Verify current amounts with the county appraisal district.

How should a buyer estimate the monthly payment for 20503 Bonanza St?

This page does not assume a mortgage rate or publish a monthly payment for 20503 Bonanza St. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.

How does 20503 Bonanza St compare with other homes in Lago Vista?

As of Oct 16, 2026, 20503 Bonanza St is offered at $644,000. The current MLS snapshot shows 222 active listings in 78645. Keenan Group has completed 7 verified transactions in 78645 within its 1,000+ completed transactions and $1B+ career volume across Austin.

When was 20503 Bonanza St built?

20503 Bonanza St was built in 2020, making it 6 years old with relatively recent construction.

What is the community structure at 20503 Bonanza St?

The MLS listing reports HOA or association dues of $240 annual for 20503 Bonanza St. It does not establish included amenities, services, rules, reserves, or current assessments; verify those items in current association documents.

Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.

Why Choose the #1 Austin Board Team for Lago Vista

#1 ABoR Team 20241,000+ Career SalesCompass Luxury Collection Specialist

#1 Austin Board of Realtors Team. 1,000+ homes sold and $1B+ in career sales over 25+ years in Austin.

25+ years advising buyers and sellers in this community

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Last updated: 10/16/2026, 2:07:20 AM

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