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ActiveMLS #2597216

604 Navigator DR, Austin TX 78717

Austin, TX 78717 · Highland Horizon Ph 01

Single Family Residence for sale in Highland Horizon Ph 01

4Bedrooms
3 full / 1 halfBathrooms
3,727Square Ft
0.25Acres
3Garage
2011Year Built
Price Reduced
1 / 38
$899,990$939,990

Overview

Property Description

SEE VIDEO TOUR linked or google the address!! All 4 bedrooms are on the main level, on an 80-foot-wide, quarter-acre lot in Highland Horizon. Only the loft and a half bath are upstairs, so this 3,727 sqft David Weekley home lives like a single story. 4 bedrooms, 3.5 baths, a dedicated office, loft, formal dining, and a guest bedroom with its own ensuite bath. Upgrades include: roof replaced in 2022; water heater replaced in 2020; engineered hardwood flooring; double ovens and gas cooktop in the kitchen; extended outdoor living area with a full outdoor kitchen; custom landscaping with front and back sprinklers; bay windows in the primary bedroom; oversized primary bath and shower; custom closets; custom crown molding and trim carpentry; custom blinds; built-in indoor and outdoor speaker system; owned water softener; 2.5-car garage. Home warranty included. Zoned to Great Oaks Elementary, Cedar Valley Middle, and Round Rock High in Round Rock ISD. 2 minutes to HEB, quick access to SH 45 and Mopac, and 13 minutes to the Domain. Don't miss this one!

Financial Info
Price
$899,990
$ / Sqft
$241
HOA
Yes - Mandatory / $110 / Quarterly
HOA Name
Highland Horizon HOA
HOA Includes
Common Area Maintenance
Tax Rate
2%
Est. Taxes
$18,833.47
Tax Year
2026
Exemptions
Homestead
Legal Info
Address
604 Navigator DR
County
Williamson
City
Austin
State
TX
Zip
78717
Subdivision
Highland Horizon Ph 01
Legal Description
S9790 - HIGHLAND HORIZON PH 1, BLOCK E, LOT 15
Parcel
164064000E0015
Interior Features
Floor
Carpet, Tile, Wood
Num Living
3
Dining
2
Kitchen
Breakfast Bar, Pantry
Appliances
Gas Cooktop, Dishwasher, Disposal, Double Oven, Water Softener Owned
Laundry
Laundry Room
Master Bed
Primary Bedroom on Main, Walk-In Closet(s)
Master Main
Yes
Fireplaces
1
Fireplace Description
Living Room
Interior Features
Breakfast Bar, Crown Molding, Entrance Foyer, Recessed Lighting, Primary Bedroom on Main, Pantry, Walk-In Closet(s), Wired for Sound, Multiple Living Areas, Multiple Dining Areas, Study/Home Office, Smoke Detector(s), Plantation Shutters
General Info
Beds
4 Total / 4 Main Level
Full / Half Baths
3 / 1
Prop Type
Residential
Property Type
Single Family Residence
Stories
2
Year Built
2011 / Resale
Square Feet
3,727 / Builder
Garages
3
Garage Desc
Attached, Door-Single
Foundation
Slab
Roof
Composition
Construction
Masonry – All Sides
Acres
0.25
Lot Description
Sprinkler - Back Yard, Sprinklers In Front, Sprinkler - In-ground, Trees-Small (Under 20 Ft)
Restrictions
None
Flood Plain
No
View
None
Water Access
No
Waterfront
No
Area
RRW
Utility Info
Water
Municipal Utility District (MUD)
Sewer
Municipal Utility District (MUD)
Utilities
Electricity Available, Natural Gas Available, Underground Utilities
Heat
Central
A C
Central Air
Exterior Features
Fence
Wood
Exterior Features
Gutters Full, Private Yard, Covered
Pool On Property
No
Area Amenities
Park, Playground, Pool, Sidewalks

Price history

Days on market
−$40,000 (−4.3%)
$939,990 → $899,990
2
Price reductions
Active
Since Aug 24, 2026
Price trend
List priceAug 2026 → Oct 2026
Property history3 events
DateEventPriceChange
Oct 7, 2026Price Decrease$899,990−$30,000 (−3.2%)
Sep 4, 2026Price Decrease$929,990−$10,000 (−1.1%)
Aug 24, 2026New Listing

Taxes

General Information
Legal
S9790 - HIGHLAND HORIZON PH 1, BLOCK E, Lot 15
Geo ID
164064000E0015
Exemptions
Exemption Type
None on record
Taxing Units
Detail
Not provided by this county source
Tax Summary
MLS estimated annual taxes
$18,833.47
MLS tax year
2026
2026 Annual Tax Bill

Annual taxes billed are confirmed amounts from Williamson County’s tax records. These are billed charges, not taxes paid or the balance currently due. Exemptions and tax ceilings may prevent combined rate × taxable value from equaling the billed amount. Other collectors or assessments may not be included.

YearAppraised ValueCombined Rate per $100Annual Taxes Billed
2026$929,1532.087590$17,501.47

Source: Williamson County

Combined rates exclude PID placeholder rates. Amounts cover this collector only and may change after corrections. They do not predict a buyer’s future taxes. Any appraisal values shown come separately from CAD records.

County data checked Nov 1, 2026.

Source: Williamson County

Schools

School Info
District
Round Rock ISD
Elementary
Great Oaks
Middle
Cedar Valley
High
Round Rock

Maps

Financing

Your preferences

  • 20% down
  • Conv/Jumbo
  • 30 years
  • 6.50% rate

Saved on this device

List price $899,990
Down payment
Stays 20% if you change the price
Note rate, not APR
From this listing’s tax record
*Estimated only (1% of price / yr)

Estimated monthly payment

$6,870 / mo

20% down · 6.50% interest · 30-year fixed

Estimated monthly payment $6,870

Principal & interest
$4,551
Property taxes
$1,569
Homeowners insurance
$750

*PITI only

These figures are estimates for general information only — not a loan offer, a quote, or a guarantee of financing terms.

Principal, interest and balance for each year
YearStarting balancePrincipal paidInterest paidEnding balancePrincipal vs interest
1$719,992$8,048$46,563$711,944
2$711,944$8,586$46,024$703,358
3$703,358$9,162$45,449$694,196
4$694,196$9,775$44,835$684,421
5$684,421$10,430$44,180$673,992
6$673,992$11,128$43,482$662,863
7$662,863$11,874$42,737$650,990
8$650,990$12,669$41,941$638,321
9$638,321$13,517$41,093$624,804
10$624,804$14,422$40,188$610,381
  • Year 1$711,944
    Principal paid
    $8,048
    Interest paid
    $46,563
    Starting balance
    $719,992
  • Year 2$703,358
    Principal paid
    $8,586
    Interest paid
    $46,024
    Starting balance
    $711,944
  • Year 3$694,196
    Principal paid
    $9,162
    Interest paid
    $45,449
    Starting balance
    $703,358
  • Year 4$684,421
    Principal paid
    $9,775
    Interest paid
    $44,835
    Starting balance
    $694,196
  • Year 5$673,992
    Principal paid
    $10,430
    Interest paid
    $44,180
    Starting balance
    $684,421
  • Year 6$662,863
    Principal paid
    $11,128
    Interest paid
    $43,482
    Starting balance
    $673,992
  • Year 7$650,990
    Principal paid
    $11,874
    Interest paid
    $42,737
    Starting balance
    $662,863
  • Year 8$638,321
    Principal paid
    $12,669
    Interest paid
    $41,941
    Starting balance
    $650,990
  • Year 9$624,804
    Principal paid
    $13,517
    Interest paid
    $41,093
    Starting balance
    $638,321
  • Year 10$610,381
    Principal paid
    $14,422
    Interest paid
    $40,188
    Starting balance
    $624,804
First 10 of 30 years

Nearby

Courtesy of Mark Martin and Company · (512) 739-3200

Listings courtesy of ACTRIS as distributed by MLS GRID.