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This property has sold on October 24, 2023. Looking for something similar? Contact us or browse available homes.

6403 Old Harbor LN

Austin, TX, 78739

Satellite view of 6403 Old Harbor LN
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Off Marketas of Apr 24, 2026

This property is no longer actively listed. We can help you find similar homes currently for sale, notify you if this property relists, or explore off-market opportunities in the area.

$699,000

last listed

6403 Old Harbor Ln, Austin, TX 78739

Circle C Ranch•MLS# 2123079
3beds
2full1half
2,088sqft
Built1988

Why you're seeing this property: Unlike major portals that hide off-market listings, we maintain the most comprehensive Austin property database. View market history, neighborhood data, and discover similar homes currently for sale. #1 Austin Realtor Team 2024.

3 bed, 2 bath, 2,088 sqft on 0.17 acres in Circle C Ranch. Austin, TX 78739. Last listed at $699,000, sold October 24, 2023. Austin ISD.

About This Home

Adorable Circle C home with hardwood floors, fresh new paint, new carpet, totally remodeled master bath suite with marble floors and gorgeous cabinetry for loads of storage. This light-filled home boasts granite countertops in the kitchen and updated backsplash. Kitchen opens to family room with updated marble tile fireplace. Designer lighting throughout. Wonderful layout with office downstairs, upstairs game room landing and a huge bonus room attached to primary bedroom that could serve many purposes. New mahogany front door and updated porch spills into the fresh new front landscaping. This home has been incredibly well-maintained and updated HVAC and tankless water heater. Charming inside and out. Highly rated schools Kiker, Gorzycki and Bowie High School. Walk to Starbucks, HEB, restaurants and swimming pool.

Property Type
Residential
Year Built
1988
Lot Size
0.17 acres
Price / Sq Ft
$335
Garage
2 spaces

Listing information last updated October 24, 2023.

Listed by Kifer Sparks Agency, LLC

MLS# 2123079 • Closed

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

Properties displayed may be listed or sold by various participants in the MLS.

Highlights

2-car garage with additional parking capacity
Ceiling Fan(s)
Vaulted Ceiling(s)
Granite Counters
Quartz Counters
Double Vanity

Facts & Features

Interior

Features

  • Ceiling Fan(s)
  • Vaulted Ceiling(s)
  • Granite Counters
  • Quartz Counters
  • Double Vanity
  • Eat-in Kitchen
  • Kitchen Island
  • Open Floorplan
  • Pantry
  • Recessed Lighting
  • Walk-In Closet(s)

Appliances

  • Dishwasher
  • Disposal
  • Electric Cooktop
  • Microwave
  • Oven

Flooring

  • Carpet
  • Tile
  • Wood
Heating
Central
Cooling
Central Air
Fireplaces
1
Exterior & Lot

Features

  • Gutters Full

Construction

  • Hardi
  • Plank Type
  • Masonry – Partial

Lot Features

  • Back Yard
  • Sprinklers In Front
  • Trees-Large (Over 40 Ft)

Fencing

  • Wood

Foundation

  • Slab

Patio / Porch

  • Front Porch
  • Patio
Roof
Shingle
Lot Size
0.17 Acres

Parking

  • Attached
  • Garage
  • Garage Door Opener
Garage Spaces
2
Financial
Original List Price
$735,000
Price per Sq Ft
$335
Utilities
  • Electricity Connected
  • Natural Gas Connected
  • Sewer Connected
  • Water Connected
Water Source
Public
Sewer
Public Sewer

Transaction History

2 records on file

Every recorded listing, sale, and lease at 6403 Old Harbor LN, whoever represented it.

  1. SoldOctober 24, 2023
    Listed at: $735,000MLS 2123079
  2. SoldMay 10, 2013
    Listed at: $275,000MLS 3833895

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

Listing timeline with current price, original ask, and market time.

View Timeline
Current list
$699,000
Original list
$735,000
Price movement
$36K reduction
Listed / DOM
Aug 23, 2023

Tax Record

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

Assessed Value
$608,415
Assessment Year
2025
Year Built
1988
Parcel ID
000000337256
$683K
$368K
$367,956
2021
$425,174
+15.6% from prev
2022
$682,841
+60.6% from prev
2023
$666,781
-2.4% from prev
2024
$608,415
-8.8% from prev
2025
YearTaxesTotal AssessmentLandAdditions
2025-8.8%
—$608,415——
2024-2.4%
—$666,781$325,000$319,432
2023+60.6%
—$682,841$325,000$341,781
2022+15.6%
—$425,174$325,000$357,841
2021
—$367,956$100,000$325,174
5-Year Change65.3%

Virtual Tour

Virtual tour of 6403 Old Harbor Ln
Map showing 6403 Old Harbor LN
6403 Old Harbor LN
Directions

Zoned Schools

Austin ISD →

1 High School1 Middle School1 Elementary School

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
$3,872

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

20% ($140K)

Adjustable assumption - not a lending recommendation.

$699,000

Loan: $559K
Mortgage rate%
Payoff: ~2056
Rate source: Freddie Mac 30-year fixed average (PMMS via FRED), as of 2026-10-08
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Keenan Market Position

A sourced read on Circle C Ranch pricing, timing, and property scale. No automated valuation claim.

List price

$699,000

Price per sqft

$335/sqft

Vs. Neighborhood guide reference price

-17.0%

$842.5K · Circle C Ranch neighborhood guide · reference price

Days on market

Not available

Original to current

$36K reduction

$735K original

Active inventory context

23 listings

Price Position in Circle C Ranch

Neighborhood guide reference price $842.5KThis home $699K

Listed 17% below the Circle C Ranch neighborhood guide reference price. Circle C Ranch neighborhood guide · reference price.

Seller's Market - 23 active listings

Source: MLS Grid / Unlock MLS and Keenan Group review as of Apr 25, 2026.

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More sales in Circle C Ranch

Homes sold by Keenan Group.

Verified property facts

Frequently Asked Questions

What school district is 6403 Old Harbor Ln in?

6403 Old Harbor Ln is zoned for Austin ISD with assigned schools: Kiker (elementary), Gorzycki (middle), Bowie (high). School assignments should be verified directly with the district.

What are the property details for 6403 Old Harbor Ln?

6403 Old Harbor Ln is a Residential built in 1988 featuring 3 bedrooms, 2 full, 1 half bathrooms, 2,088 square feet, 0.17-acre lot.

What is the price per square foot at 6403 Old Harbor Ln?

6403 Old Harbor Ln was last listed at $335 per square foot across 2,088 sqft. The Circle C Ranch neighborhood guide reference price is $842,500 (Circle C Ranch neighborhood guide · reference price).

What are the property taxes for 6403 Old Harbor Ln?

The most recent annual property tax for 6403 Old Harbor Ln is $13,168. 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 does 6403 Old Harbor Ln compare with other homes in Circle C Ranch?

6403 Old Harbor Ln was last listed at $699,000 and sold on October 24, 2023. The current MLS snapshot shows 38 active listings in 78739. Keenan Group has completed 15 verified transactions in 78739 within its 1,000+ completed transactions and $1B+ career volume across Austin. See Keenan Group's Circle C Ranch guide for current neighborhood analysis.

When was 6403 Old Harbor Ln built?

6403 Old Harbor Ln was built in 1988 (38 years ago). Buyers should budget for potential updates to major systems.

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

What should buyers know about Circle C Ranch?

Circle C Ranch is one of Austin's established neighborhoods, zoned for Austin ISD in the 78739 area. The Keenan Group has specialized in Circle C Ranch real estate for 25+ years with 1,000+ career transactions. Contact (512) 415-7653 for current market conditions and available homes.

  • Circle C Ranch area specialists
  • Austin ISD zoning
  • #1 Austin Board of Realtors Team 2024
  • 25+ years Austin luxury real estate

Source: Keenan Group at Compass Real Estate, #1 Austin Board of Realtors Team (2024)

Why Choose the #1 Austin Board Team for Circle C Ranch

#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: 4/24/2026, 9:51:50 PM

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