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This property has sold on December 9, 2022. Looking for something similar? Contact us or browse available homes.

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Off Marketas of Jun 3, 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.

$2,500,000

last listed

15620 Grumbles Ln, Austin, TX 78738

Signal Hill•MLS# 1244116
5beds
5full1half
4,510sqft
Built2021

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.

5 bed, 5 bath, 4,510 sqft on 1.00 acres in Signal Hill. Austin, TX 78738. Last listed at $2,500,000, sold December 9, 2022. Lake Travis ISD.

About This Home

Welcome to Signal Hill Estates, an exclusive gated community comprising 61 estate homes, each sitting on an acre lot. One of the final three luxury homes from Ames Design Build in Signal Hill Estates, this home is a 5 bedroom 5.5 bath with a media room that opens to the back patio. Arguably the best view in Signal Hill Estates, this floor plan was designed with entertaining in mind. Both front porch and back patio offer spacious seating areas to take in the view and enjoy alfresco dining. You will be welcomed by a vaulted entry with an open foyer leading into the dining, kitchen, and living areas. Opening up to the back patio, your flex space awaits for you to choose it as a media room, game room, or wellness space. Take that cooking class you have been considering, because you will enjoy amenities such as a chef-caliber kitchen complete with stainless steel appliances by Wolf and Sub Zero, including a double oven, large 60 inch panel ready fridge/freezer, a 48-inch range with 6 burners, and a drawer microwave oven. The custom cabinetry boasts soft-close, frameless construction dovetail drawers. Ames Design Build has given great attention to every detail, with all closets including custom cabinetry, and all interior doors and trim are solid wood. Custom hardwood, tile, and tile accents add to the charm of 15620 Grumbles Lane. Four of the bedrooms have their own private bathroom, and there is an additional dedicated office or 5th bedroom. Signal Hill Estates, a paradise in Hill Country, is minutes from shopping and dining at the Hill Country Galleria. Its unbeatable location offers easy access to hiking, golfing, and lake life, as well as a connection to downtown Austin in less than 30 minutes. Signal Hill is in the exemplary Lake Travis ISD. Welcome to your new neighborhood, and welcome to your new masterpiece of a home.

Property Type
Residential
Year Built
2021
Lot Size
1.00 acres
Price / Sq Ft
$554
HOA
$155/mo
Garage
3 spaces

Listing information last updated February 10, 2023.

Listed by Kuper Sotheby's Itl Rlty

MLS# 1244116 • Closed

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

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

Highlights

3-car garage with additional parking capacity
Generous 1.00-acre lot
Breakfast Bar
Ceiling Fan(s)
Beamed Ceilings
High Ceilings

Facts & Features

Interior

Features

  • Breakfast Bar
  • Ceiling Fan(s)
  • Beamed Ceilings
  • High Ceilings
  • Tray Ceiling(s)
  • Stone Counters
  • Double Vanity
  • Eat-in Kitchen
  • Open Floorplan
  • Pantry
  • Primary Bedroom on Main
  • Recessed Lighting
  • Walk-In Closet(s)

Appliances

  • Dishwasher
  • Microwave
  • Double Oven
  • Refrigerator

Flooring

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

Features

  • Lighting
  • Private Yard

Construction

  • Glass
  • Stone

Lot Features

  • Views

Fencing

  • Fenced
  • Partial

Foundation

  • Concrete Perimeter

Patio / Porch

  • Front Porch
  • Porch
  • Rear Porch
Roof
Metal
Lot Size
1.00 Acres

Parking

  • Attached
  • Garage
  • Gated
Garage Spaces
3
Financial
HOA Fee
$155 / mo
Original List Price
$2,500,000
Price per Sq Ft
$554
Utilities
  • Cable Available
  • Cable Connected
  • Electricity Available
  • Electricity Connected
  • High Speed Internet
  • Natural Gas Available
  • Natural Gas Connected
  • Water Connected
Water Source
Public
Sewer
Septic Tank

Transaction History

1 record on file

Every recorded listing, sale, and lease at 15620 Grumbles LN, whoever represented it.

  1. SoldDecember 9, 2022
    Listed at: $2,500,000MLS 1244116

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
$2,500,000
Original list
$2,500,000
Price movement
No verified reduction
Listed / DOM
Oct 20, 2022

Tax Record

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

Assessed Value
$2,491,193
Assessment Year
2025
Year Built
2021
Parcel ID
000000907506
$2.5M
$76K
$76,000
2021
$589,862
+676.1% from prev
2023
$2,375,000
+302.6% from prev
2024
$2,491,193
+4.9% from prev
2025
YearTaxesTotal AssessmentLandAdditions
2025+4.9%
—$2,491,193——
2024+302.6%
—$2,375,000$524,618$1,727,029
2023+676.1%
—$589,862$649,935$1,725,065
2021
—$76,000$95,990—
5-Year Change3177.9%

Virtual Tour

Virtual tour of 15620 Grumbles Ln
Map showing 15620 Grumbles LN
15620 Grumbles LN
Directions

Zoned Schools & District Context

Lake Travis 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
$13,848
HOA dues
$155

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 2026-06-04T00:30:05.195024+00:00; normalized from monthly dues.

20% ($500K)

Adjustable assumption - not a lending recommendation.

$2,500,000

Loan: $2.0M
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 Signal Hill pricing, timing, and property scale. No automated valuation claim.

List price

$2,500,000

Price per sqft

$554/sqft

Vs. Neighborhood guide reference price

-21.6%

$3.2M · Signal Hill neighborhood guide · reference price

Days on market

Not available

Original to current

No verified reduction

$2.5M original

Active inventory context

0 listings

Price Position in Signal Hill

Neighborhood guide reference price $3.2MThis home $2.5M

Listed 22% 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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Verified property facts

Frequently Asked Questions

What school district is 15620 Grumbles Ln in?

15620 Grumbles Ln is zoned for Lake Travis ISD with assigned schools: Lake Travis (elementary), Lake Travis (middle), Lake Travis (high). School assignments should be verified directly with the district.

What are the property details for 15620 Grumbles Ln?

15620 Grumbles Ln is a Residential built in 2021 featuring 5 bedrooms, 5 full, 1 half bathrooms, 4,510 square feet, 1.00-acre lot.

What is the price per square foot at 15620 Grumbles Ln?

15620 Grumbles Ln was last listed at $554 per square foot across 4,510 sqft. The Signal Hill neighborhood guide reference price is $3,187,000 (Signal Hill neighborhood guide · reference price).

What are the property taxes for 15620 Grumbles Ln?

The most recent annual property tax for 15620 Grumbles Ln is $10,731. 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 15620 Grumbles Ln compare with other homes in Signal Hill?

15620 Grumbles Ln was last listed at $2,500,000 and sold on December 9, 2022. The current MLS snapshot shows 184 active listings in 78738. Keenan Group has completed 31 verified transactions in 78738 within its 1,000+ completed transactions and $1B+ career volume across Austin. See Keenan Group's Signal Hill guide for current neighborhood analysis.

When was 15620 Grumbles Ln built?

15620 Grumbles Ln was built in 2021, making it 5 years old with relatively recent construction.

What is the community structure at 15620 Grumbles Ln?

The MLS listing reports HOA or association dues of $155 monthly for 15620 Grumbles Ln. 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.

What should buyers know about Signal Hill?

Signal Hill is one of Austin's established neighborhoods, zoned for Lake Travis ISD in the 78738 area. The Keenan Group has specialized in Signal Hill real estate for 25+ years with 1,000+ career transactions. Contact (512) 415-7653 for current market conditions and available homes.

  • Signal Hill area specialists
  • Lake Travis 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 Signal Hill

#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: 6/3/2026, 7:30:05 PM

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