Sold by The Keenan Group
Austin's #1 Real Estate Team - Austin Board of Realtors 2024
This home in Cat Mountain was represented by Joe and Cara Keenan. Looking for a home in this area?

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$2,500,000
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Set on a quiet cul-de-sac in Northwest Hills, 6428 Williams Ridge Way was designed around one thing: the view. Located in The Overlook at Cat Mountain, the home takes full advantage of its canyon setting, with nearly every main living space oriented toward the rolling Texas Hill Country beyond. Clean architectural lines, expansive windows, and a thoughtful floor plan create a home that feels both inviting and timeless. Inside, natural light pours through walls of glass, highlighting the home's generous living spaces and keeping the views front and center. The main living areas flow seamlessly to a spacious deck overlooking the canyon, where the pool appears to stretch toward the horizon. Even the fencing was thoughtfully designed to preserve the panoramic views, creating a connection to the surrounding landscape that's hard to find. The floor plan is both functional and flexible. The main level features the primary suite, along with a second bedroom and full bath that works well for guests, an office, or multigenerational living. Upstairs, you'll find four additional bedrooms, two full baths, a generous second living area, and a bonus space that easily adapts to your needs. Whether you're entertaining on the deck as the sun sets over the hills or enjoying a quiet morning with coffee overlooking the canyon, this home offers a setting that feels both peaceful and unforgettable. It's a rare opportunity to own one of Northwest Hills' most spectacular views in a home that's equally well designed for everyday living.
Property Type
Residential
Year Built
2000
Lot Size
0.41 acres
$/Sq Ft
$617
Garage
2 spaces
Pool
Yes
Listed by Compass RE Texas, LLC
Verified property facts
6428 Williams Ridge Way is listed at $2,500,000 with 6 bedrooms, 4 full, 1 half bathrooms, 4,053 square feet, 0.41-acre lot. This places it above the ZIP 78731 single-family closed-sale median price of $1,209,000 (ZIP 78731 geography · single-family closed sales · median sale price · trailing 12 months as of Sep 16, 2026).
6428 Williams Ridge Way is zoned for Austin ISD with assigned schools: Doss (elementary), Murchison (middle), Anderson (high). School assignments should be verified directly with the district.
6428 Williams Ridge Way is a Residential built in 2000 featuring 6 bedrooms, 4 full, 1 half bathrooms, 4,053 square feet, 0.41-acre lot.
6428 Williams Ridge Way is represented and presented by Keenan Group at Compass Real Estate, the #1 Austin Board of Realtors Team (2024), with 1,000+ completed transactions and $1B+ in career volume across Austin's luxury market.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
Property Details
Features
Appliances
Flooring
Features
Fencing
3 records on file
Every recorded listing, sale, and lease at 6428 Williams Ridge Way, whoever represented it. The Keenan Group represented one of them.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Listing timeline with current price, original ask, and market time.
Public record data from county appraisal records. Market value can differ from assessed value.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-11.7% | — | $994,441 | — | — |
2024+13.7% | — | $1,126,683 | $190,313 | $882,453 |
2023+29.5% | — | $990,903 | $190,313 | $936,370 |
2022-10.4% | — | $765,000 | $123,144 | $867,759 |
2021 | — | $853,800 | $123,144 | $641,856 |
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. Ratings from GreatSchools.org.
20% ($500K)
Adjustable assumption - not a lending recommendation.
$2,500,000
Luxury property intelligence
A sourced read on Cat Mountain pricing, timing, and property scale. No automated valuation claim.
List price
$2,500,000
Price per sqft
$617/sqft
Vs. Neighborhood guide reference price
+134.7%
$1.1M · Cat Mountain neighborhood guide · reference price
Days on market
Not available
Original to current
No verified reduction
$2.5M original
Active inventory context
4 listings
Price Position in Cat Mountain
Listed 135% above the Cat Mountain neighborhood guide reference price. Cat Mountain neighborhood guide · reference price.
Source: MLS Grid / Unlock MLS and Keenan Group review as of Jul 13, 2026.
Request Private Market AnalysisLifestyle, schools, market context, and homes in Cat Mountain
Active listings and buyer search context in Cat Mountain
KG portfolio record with transaction details and photos
ZIP-level neighborhoods, schools, lifestyle, and Austin market context
Active 78731 listings and Northwest Hills market context
District guide, nearby schools, and homes by attendance area
Private Austin CMA, TCAD context, and pricing strategy
Pricing, prep, launch timing, and Compass marketing strategy
6428 Williams Ridge Way is priced at $617 per square foot across 4,053 sqft. The Cat Mountain neighborhood guide reference price is $1,065,000 (Cat Mountain neighborhood guide · reference price).
The most recent annual property tax for 6428 Williams Ridge Way is $35,302. 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.
This page does not assume a mortgage rate or publish a monthly payment for 6428 Williams Ridge Way. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Jul 13, 2026, 6428 Williams Ridge Way is offered at $2,500,000. The current MLS snapshot shows 58 active listings in 78731. Keenan Group has completed 84 verified transactions in 78731 within its 1,000+ completed transactions and $1B+ career volume across Austin. See Keenan Group's Cat Mountain guide for current neighborhood analysis.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
6428 Williams Ridge Way in Cat Mountain was represented by Joe and Cara Keenan with Keenan Group at Compass Real Estate - Austin's #1 real estate team (Austin Board of Realtors 2024). 1,000+ career transactions, $1B+ in career volume. Contact (512) 415-7653.
Source: Keenan Group at Compass Real Estate, #1 Austin Board of Realtors Team (2024)
Car-Dependent
No Nearby Transit
Somewhat Bikeable
Walk Score measures walkability based on distance to amenities. Transit Score measures public transportation access. Bike Score measures bikeability based on bike infrastructure and terrain.
8 events on record
Current Price
$2,500,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-11.7% | — | $994,441 | — | — |
2024+13.7% | — | $1,126,683 | $190,313 | $882,453 |
2023+29.5% | — | $990,903 | $190,313 | $936,370 |
2022-10.4% | — | $765,000 | $123,144 | $867,759 |
2021 | — | $853,800 | $123,144 | $641,856 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
Comparable homes that recently closed in this area
Neighborhood guide and local insights
Cat Mountain takes its name from an actual geological feature - a ridgeline along the eastern edge that early settlers thought resembled a crouching cat. Whether you see the cat or not, what you will see from nearly every lot are unobstructed Hill Country views stretching west toward Lake Travis, and those views are the reason people pay what they pay to live here. Cat Mountain occupies a prime stretch of northwest Austin between Loop 360 to the east, FM 2222 to the north, and the western reaches of the 78731 zip code. Downtown is about 15 minutes via 360 to MoPac, and the Arboretum sits less than 10 minutes north. The 360/2222 intersection anchors daily errands. Lake Austin is accessible from nearby boat ramps, and the western edge backs up to the Balcones Canyonlands Preserve, which means your backyard neighbor might be a golden-cheeked warbler rather than another family. The housing stock reflects three decades of custom building on hilly terrain. Texas Traditional and Ranch-style homes account for about 35%, often featuring single-story layouts with limestone exteriors and covered patios oriented toward western views. Mediterranean homes make up 25%, with stucco facades and barrel tile roofs. Hill Country Contemporary designs represent roughly 20% and tend to be newer builds. Lot sizes range from a third of an acre to a full acre. Most homes fall between 2,500 and 5,000 square feet, with pricing from the high $700s for dated homes up to $2.5 million for updated custom builds with strong view corridors. Cat Mountain feeds into Austin ISD, specifically Doss Elementary and Murchison Middle School, both carrying strong academic reputations. Doss draws families from across the 78731 zip code, and the school's performance is a consistent factor in home values. For high school, most students attend Anderson High School, which offers International Baccalaureate programming. Some families opt for private schools like St. Andrew's Episcopal or Regents School, both within a short drive. The lifestyle centers on the outdoors. Bull Creek District Park is essentially the neighborhood's back yard, with swimming holes, hiking trails, and shade. The 360 Bridge Overlook sits at the southern edge. Mount Bonnell is a short drive north, and Wild Basin Wilderness Preserve offers guided nature walks. For dining, Chez Zee has been the neighborhood bistro for decades, serving brunch and comfort food. Siena Ristorante Toscana handles date nights. Jack Allen's on 360 is the reliable weeknight choice. County Line on the Lake does barbecue with water views, and Roaring Fork serves upscale Western American food. Cat Mountain is more affordable per square foot than Westlake Hills and Rob Roy to the south, which carry Eanes ISD premiums. It offers larger lots and more mature landscaping than newer developments in Steiner Ranch or River Place. And it provides a more residential setting than Great Hills to the north. The tradeoff is that some homes from the 1980s and early 1990s may need roof replacements, HVAC updates, and kitchen renovations running $100,000 to $200,000. Cat Mountain makes sense for buyers who want Hill Country views without moving 30 minutes from downtown. It fits families who value Doss Elementary and Anderson High and do not want the Eanes ISD premium. And it works for anyone who prioritizes natural setting over manicured suburban aesthetics. If walkability matters more than views, look at Tarrytown or Rosedale. But if you want to watch the sunset from your back porch and make it to a downtown dinner in 15 minutes, Cat Mountain is hard to beat.
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