#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024
5 bed, 5 bath, 6,088 sqft on 12.45 acres in Round Mountain. Round Mountain, TX 78663. $5,783,600. Johnson City ISD.
On top of the ridge at RanchesAt Big Mountain, Lot 16 is an under-construction Hill Country showcase estate positioned on 12.45 private acres with rare 360-degree views stretching toward Packsaddle Mountain, Lake LBJ, Marble Falls, and the surrounding Hill Country. Carefully positioned and designed to take full advantage of its ridge-top setting, the 6,088-square-foot residence is being built by Keith Wing for luxury ranch living and large-scale entertaining. The home features 5 bedrooms, 5 full baths, 1 half bath, expansive indoor-outdoor living, a resort-style pool, screened outdoor living area, game room, study, and loft. The homesite offers privacy, native landscape, and long-distance views from one of the community’s premier ridge-top settings. RanchesAt Big Mountain is a private gated luxury acreage community spanning approximately 401 acres with only 27 homesites, offering the space and privacy of ranch ownership with the ease of gated access, private roads, underground utilities, and a cohesive community setting. Wildlife is present throughout the ranch, including blackbuck, Arabian oryx, fallow deer, and native whitetail. Lot 16 is part of the RanchesAt Reserve Collection, a limited offering of available showcase homes selected for their visibility, setting, and role in shaping the community’s architectural tone.
Verified property facts
3531 Rm-3347 is listed at $5,783,600 with 5 bedrooms, 5 full, 1 half bathrooms, 6,088 square feet, 12.45-acre lot. This places it above the ZIP 78663 single-family closed-sale median price of $1,490,000 (ZIP 78663 geography · single-family closed sales · median sale price · trailing 12 months as of Oct 2, 2026).
3531 Rm-3347 is zoned for Johnson City ISD with assigned schools: Lyndon B Johnson (elementary), Lyndon B Johnson (middle), Lyndon B Johnson (Johnson City ISD) (high). School assignments should be verified directly with the district.
3531 Rm-3347 is a Farm built in 2026 featuring 5 bedrooms, 5 full, 1 half bathrooms, 6,088 square feet, 12.45-acre lot.
3531 Rm-3347 is listed by Compass RE Texas, LLC. Keenan Group at Compass presents this IDX listing and provides the accompanying market analysis using MLS Grid / Unlock MLS data reviewed as of Oct 2, 2026.
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1 record on file
Every recorded listing, sale, and lease at 3531 RM-3347, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Price Change with current price, original ask, and market time.
Johnson City ISD
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.
20% ($1.2M)
Adjustable assumption - not a lending recommendation.
$5,783,600
Luxury property intelligence
A sourced read on Round Mountain pricing, timing, and property scale. No automated valuation claim.
List price
$5,783,600
Price per sqft
$950/sqft
Vs. Neighborhood guide reference price
Not available
Days on market
87 days
Original to current
No verified reduction
$5.8M original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Oct 2, 2026.
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This page does not assume a mortgage rate or publish a monthly payment for 3531 Rm-3347. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Oct 2, 2026, 3531 Rm-3347 is offered at $5,783,600. The current MLS snapshot shows 8 active listings in 78663.
The MLS listing reports HOA or association dues of $1,800 annual for 3531 Rm-3347. 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.
Car-Dependent
N/A
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.
3 events on record
Current Price
$5,783,600
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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