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4 bed, 4 bath, 4,090 sqft on 1.03 acres in Signal Hill. Austin, TX 78738. Last listed at $2,399,000, sold September 14, 2023. Lake Travis ISD.
About This Home
Welcome to 15500 Grumbles Lane, an exquisite oasis nestled in the coveted Signal Hill Estates. Priced at $2,399,000, this luxurious property offers the perfect blend of contemporary design, spacious living, and a picturesque setting on a sprawling 1-acre lot. With 4 beds, 4.5 baths, a 3-car garage, and an array of impressive features, this home is a true gem. Step inside and be greeted by an abundance of natural light that fills the entire home, creating a warm and inviting atmosphere. The modern open floor plan seamlessly connects the living spaces, allowing for easy flow and effortless entertaining. The heart of this home is the huge kitchen, a culinary enthusiast's dream come true. It boasts stainless steel appliances, ample counter space, and an elegant design that opens up to the spacious living room. Beautiful white oak floors run throughout the residence, adding a touch of sophistication and charm to every room. The soaring vaulted ceilings add grandeur to the living areas, enhancing the feeling of openness and airiness. The primary suite is a true sanctuary with an enormous bathroom featuring upscale fixtures, a large soaking tub, and a separate walk-in shower. Work from home in style and comfort in the dedicated study, providing the perfect space for concentration and productivity. The game room offers endless possibilities for recreation and relaxation, making it an ideal spot for family gatherings and entertainment. Each of the secondary bedrooms boasts its own en-suite bathroom, ensuring privacy and convenience for everyone. Step outside to the covered patio, complete with a built-in grill, where you can savor the serene ambiance and enjoy al fresco dining. The pool and hot tub provide the perfect setting for leisure and enjoyment. Situated on a generous 1-acre lot, this property offers plenty of space for outdoor activities and potential additions. Don't miss this opportunity to own a magnificent residence in Signal Hill.
Signal Hill is one of the smaller, quieter neighborhoods in southwest Austin's 78748 zip code, the kind of place where neighbors actually wave from their driveways and most homes have been owned by the same families for years. Built primarily across two phases in the 1990s and early 2000s, Signal Hill sits at a price point that has become rare in Austin - a median around $425,000 puts it well below most of the city's established neighborhoods, which makes it one of the more accessible entry points into Austin ISD school zones.
Signal Hill sits in southwest Austin near the intersection of Slaughter Lane and Manchaca Road, with quick access to MoPac and I-35 for downtown commutes that run about 20 minutes outside of rush hour. South Austin's commercial corridor along Slaughter Lane handles weekly errands - H-E-B, restaurants, and shopping all within five minutes. The neighborhood backs up to wooded land that gives it a more rural feel than its proximity to major roadways would suggest.
The housing stock is straightforward Texas suburban - traditional and ranch-style homes built mostly between 1995 and 2005, with brick and stone facades, two- and three-car garages, and the kind of practical layouts that hold their value because they work for families. Lots range from 0.15 acres in the older sections to about 0.5 acres in the larger phase, with most homes between 1,800 and 3,200 square feet. Pricing typically falls between $375,000 and $525,000, with some larger lots and updated homes pushing higher.
Signal Hill is served by Austin ISD. Baranoff Elementary handles the elementary years and has a steady reputation for solid academics and engaged parent involvement. Bailey Middle School serves the middle school years, and most students continue to Akins High School. The schools are close enough that walking and biking are realistic options for elementary kids, which adds to the neighborhood character.
The lifestyle here is straightforward suburban with strong access to outdoor space. The Slaughter Creek Trail runs nearby for runners and cyclists. South Austin's restaurant scene along Slaughter and Manchaca handles casual dining and date nights. Onion Creek Metropolitan Park is a short drive south for hiking and disc golf. And the proximity to MoPac means Lady Bird Lake, Zilker, and downtown are all within reach for weekend plans.
Signal Hill works for families and first-time buyers who want Austin ISD schools without paying central Austin prices. It is more affordable than Circle C Ranch to the west and has more established trees and lot sizes than the newer Hays CISD developments further south. The tradeoff is that Signal Hill is small - inventory turns over slowly because owners tend to stay - so when something does come on the market, it usually moves fast. For buyers who can be patient and act decisively, this is one of the better-value pockets in southwest Austin.
School District: Lake Travis ISD
View Signal Hill neighborhood guide- Property Type
- Residential
- Year Built
- 2021
- Lot Size
- 1.03 acres
- Price / Sq Ft
- $587
- HOA
- $140/mo
- Garage
- 3 spaces
- Pool
- Yes
Listing information last updated September 14, 2023.
Listed by Outlaw Realty
MLS# 1876488 • Closed
IDX inquiries: Keenan Group at Compass · (512) 415-7653
Properties displayed may be listed or sold by various participants in the MLS.
Highlights
Facts & Features
Interior
- Bookcases
- Built-in Features
- Ceiling Fan(s)
- Beamed Ceilings
- High Ceilings
- Double Vanity
- Dry Bar
- High Speed Internet
- Kitchen Island
- Open Floorplan
- Pantry
- Primary Bedroom on Main
- Recessed Lighting
- Smart Home
- Smart Thermostat
- Walk-In Closet(s)
- Wired for Data
- Wired for Sound
- Built-In Gas Oven
- Built-In Gas Range
- Built-In Oven(s)
- Built-In Range
- Built-In Refrigerator
- Gas Range
- Ice Maker
- Microwave
- Wine Refrigerator
- Wood
- Heating
- Central,Natural Gas
- Cooling
- Ceiling Fan(s),Central Air,Electric
- Fireplaces
- 2
Exterior & Lot
- Barbecue
- Gutters Full
- Outdoor Grill
- Frame
- Glass
- Masonry – All Sides
- Masonry – Partial
- Stone
- Stucco
- Back Yard
- Front Yard
- Gentle Sloping
- Landscaped
- Native Plants
- Private
- Private Maintained Road
- Rolling Slope
- Sprinkler - Automatic
- Sprinklers In Rear
- Sprinkler - Drip Only
- Bubblers
- Sprinklers In Front
- Sprinkler - Rain Sensor
- Sprinklers On Side
- Trees-Medium (20 Ft - 40 Ft)
- Trees-Moderate
- Back Yard
- Front Yard
- Full
- Gate
- Slab
- Covered
- Front Porch
- Rear Porch
- Roof
- Metal
- Lot Size
- 1.03 Acres
- Attached
- Concrete
- Covered
- Driveway
- Garage
- Garage Door Opener
- Garage Faces Side
- Garage Spaces
- 3
- Pool
- Yes
Financial
- HOA Fee
- $140 / mo
- Original List Price
- $2,399,000
- Price per Sq Ft
- $587
Utilities
- Electricity Available
- Electricity Connected
- High Speed Internet
- Natural Gas Available
- Natural Gas Connected
- Phone Available
- Underground Utilities
- Water Available
- Water Connected
- Water Source
- Public
- Sewer
- Aerobic Septic,Septic Tank
Transaction History
1 record on file
Every recorded listing, sale, and lease at 15500 Grumbles LN, whoever represented it.
- SoldSeptember 14, 2023Listed at: $2,399,000MLS 1876488
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.
- Current list
- $2,399,000
- Original list
- $2,399,000
- Price movement
- No verified reduction
- Listed / DOM
- Jul 28, 2023
Tax Record
Public record data from county appraisal records. Market value can differ from assessed value.
- Assessed Value
- $2,209,604
- Assessment Year
- 2025
- Year Built
- 2020
- Parcel ID
- 000000907503
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-13.3% | — | $2,209,604 | — | — |
2024+23.3% | — | $2,549,704 | $539,817 | $1,660,183 |
2023+85.1% | — | $2,068,300 | $670,085 | $1,879,619 |
2022+1076.5% | — | $1,117,658 | $231,952 | $1,836,348 |
2021 | — | $95,000 | $123,708 | $993,950 |
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Zoned Schools & District Context
Lake Travis
Bee Cave Middle School
Lake Pointe Elementary
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.
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 2026-06-04T09:30:05.509569+00:00; normalized from monthly dues.
20% ($480K)
Adjustable assumption - not a lending recommendation.
$2,399,000
Luxury property intelligence
Keenan Market Position
A sourced read on Signal Hill pricing, timing, and property scale. No automated valuation claim.
List price
$2,399,000
Price per sqft
$587/sqft
Vs. Neighborhood guide reference price
-24.7%
$3.2M · Signal Hill neighborhood guide · reference price
Days on market
Not available
Original to current
No verified reduction
$2.4M original
Active inventory context
0 listings
Price Position in Signal Hill
Listed 25% below the Signal Hill neighborhood guide reference price. Signal Hill neighborhood guide · reference price.
Source: MLS Grid / Unlock MLS and Keenan Group review as of Jun 4, 2026.
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Signal Hill Neighborhood Guide
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78738 ZIP Guide
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