
4 bed, 4 bath, 4,206 sqft on 1.07 acres in Belvedere. Austin, TX 78738. $1,975,000. Lake Travis ISD.
Rare Single Story Home on One Acre in Belvedere Gated community. 4,206 SF per Floor Plan Graphics. Modern masterpiece meticulously maintained by its original owner. This stunning property welcomes you through a beautifully landscaped gated courtyard entry, offering an immediate sense of privacy and architectural sophistication. A spacious and open living area awaits with wood flooring, beamed ceiling and walls of windows showcasing the private backyard with an amazing pool. Inviting fireplace in the living area serves as a dramatic warm and sophisticated focal point and is encased in a floor to ceiling cut limestone wall. Designed for seamless entertaining, Chef's kitchen features double ovens, Propane cooktop, stainless hooded vent, large kitchen island, granite countertops and wine refrigerator. Large Dining room is ideal for dinner parties or family gatherings. Breakfast room has views of the backyard and has easy access to a large screened patio. Spacious Primary bedroom functions as a serene retreat featuring a sitting area and offers peaceful views of the outdoor oasis. Elegant Primary bath has a garden tub, separate shower and large walk-in closet with built-ins. All 3 Secondary bedrooms feature private en-suite baths, ensuring ultimate comfort and privacy for family and guests. Half Baths located on either side of house for guest convenience. The Game Room with access to the backyard provides the ideal space for leisure and entertainment. Expansive screened patio has a built-in grill and sink great for outdoor dining year round. Step outside to your own private oasis where a sparkling pool is adorned with custom waterfall features. Community amenities include a lazy river pool, splash pad, pickleball, sports court, playscape, fishing pond, social events and an 80 acre nature preserve with trails. Close to Hill Country Galleria shopping and restaurants. Come experience the best of Hill Country living! Lake Travis ISD
Verified property facts
18309 Flagler DR is listed at $1,975,000 with 4 bedrooms, 4 full, 2 half bathrooms, 4,206 square feet, 1.07-acre lot. This places it above the ZIP 78738 single-family closed-sale median price of $858,617 (ZIP 78738 geography · single-family closed sales · median sale price · trailing 12 months as of Sep 25, 2026).
18309 Flagler DR is zoned for Lake Travis ISD with assigned schools: Bee Cave (elementary), Bee Cave Middle School (middle), Lake Travis (high). School assignments should be verified directly with the district.
18309 Flagler DR is a Residential built in 2014 featuring 4 bedrooms, 4 full, 2 half bathrooms, 4,206 square feet, 1.07-acre lot.
18309 Flagler DR is listed by Keller Williams - Lake Travis. Keenan Group at Compass presents this IDX listing and provides the accompanying market analysis using MLS Grid / Unlock MLS data reviewed as of Sep 25, 2026.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
3 records on file
Every recorded listing, sale, and lease at 18309 Flagler DR, whoever represented it.
Prices shown are list prices. Closed sale prices are available to registered clients in accordance with ACTRIS rules.
Listed 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 |
|---|---|---|---|---|
2025-7.6% | — | $1,779,099 | — | — |
2024+5.9% | — | $1,925,000 | $585,915 | $1,192,184 |
2023+36.6% | — | $1,818,129 | $585,915 | $1,339,085 |
2022+18.0% | — | $1,330,867 | $202,407 | $1,615,722 |
2021 | — | $1,127,636 | $202,407 | $1,128,460 |

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% ($395K)
Adjustable assumption - not a lending recommendation.
$1,975,000
Luxury property intelligence
A sourced read on Belvedere pricing, timing, and property scale. No automated valuation claim.
List price
$1,975,000
Price per sqft
$470/sqft
Vs. Neighborhood guide reference price
+31.7%
$1.5M · Belvedere neighborhood guide · reference price
Days on market
2 days
Original to current
No verified reduction
$2M original
Active inventory context
Ask for current inventory
Price Position in Belvedere
Listed 32% above the Belvedere neighborhood guide reference price. Belvedere neighborhood guide · reference price.
Source: MLS Grid / Unlock MLS and Keenan Group review as of Sep 25, 2026.
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#1 ABOR Team 2024 with $1B+ career sales volume
18309 Flagler DR is priced at $470 per square foot across 4,206 sqft. The Belvedere neighborhood guide reference price is $1,500,000 (Belvedere neighborhood guide · reference price).
The most recent annual property tax for 18309 Flagler DR is $28,040. 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 18309 Flagler DR. A property-specific estimate requires a current lender rate, chosen down payment, taxes, insurance, and any verified association dues.
As of Sep 25, 2026, 18309 Flagler DR is offered at $1,975,000. The current MLS snapshot shows 202 active listings in 78738. Keenan Group has completed 30 verified transactions in 78738 within its 1,000+ completed transactions and $1B+ career volume across Austin. See Keenan Group's Belvedere guide for current neighborhood analysis.
The MLS listing reports HOA or association dues of $2,250 annual for 18309 Flagler DR. 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.
Belvedere is one of Austin's established neighborhoods, zoned for Lake Travis ISD in the 78738 area. The Keenan Group has specialized in Belvedere real estate for 25+ years with 1,000+ career transactions. Contact (512) 415-7653 for current market conditions and available homes.
Source: Keenan Group at Compass Real Estate, #1 Austin Board of Realtors Team (2024)
8 events on record
Current Price
$1,975,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-7.6% | — | $1,779,099 | — | — |
2024+5.9% | — | $1,925,000 | $585,915 | $1,192,184 |
2023+36.6% | — | $1,818,129 | $585,915 | $1,339,085 |
2022+18.0% | — | $1,330,867 | $202,407 | $1,615,722 |
2021 | — | $1,127,636 | $202,407 | $1,128,460 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
| Address | Sold Price |
|---|---|
| 12309 Carlsbad DR | $1.54M |
| 5812 Davenport Divide RD | $1.25M |
| 16512 Leopold TRL | $1.05M |
| 15805 Spillman Ranch LOOP | $1.43M |
| 20 Hedgebrook Way | $1.41M |
| 114 Lakota Pass | $1.31M |
| 15201 Grumbles Ln | $1.85M |
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Neighborhood guide and local insights
Belvedere is one of the most thoughtfully designed gated communities in the Bee Cave area, built around the idea that luxury should include both privacy and shared community space. The neighborhood was developed in seven phases between 2005 and 2020, with strict architectural guidelines that have kept the visual character consistent - Hill Country Modern and Mediterranean homes anchored on generous lots, native limestone exteriors, and views that rotate between Hill Country, canyon, and oak-canopied creek bottoms depending on lot position. Belvedere sits west of Austin along Hamilton Pool Road, about thirty minutes from downtown via Highway 71 to MoPac. The Hill Country Galleria is ten minutes east with restaurants, a movie theater, and the Whole Foods that handles weekly grocery runs. Bee Cave Central Park is adjacent for sports leagues and concerts. Hamilton Pool Preserve and Reimer's Ranch are short drives west for swimming holes, hiking, and the kind of weekend afternoons that make Hill Country living what it is. The community itself spans roughly 800 acres, with about 80 acres set aside as nature preserve and trail system. Lot sizes run from a quarter acre in the cottage sections to over an acre on the upper ridgelines and creek lots. Homes range from about 3,000 to 7,500 square feet. Texas Hill Country Modern accounts for roughly 45% of inventory, with stone, steel, and large windows oriented toward views. Mediterranean homes from the earlier phases make up about 30%, with stucco facades and tile roofs. Transitional and Custom Contemporary builds round out the rest. Pricing typically starts in the low $1.2 millions for cottage section homes, runs $1.5 to $2.5 million for the main inventory, and pushes past $4 million for full estates on premium lots with view corridors. Belvedere feeds into Lake Travis ISD, which has invested heavily in facilities and academic programming. Most students attend Bee Cave Elementary, Bee Cave Middle School, and Lake Travis High School. The high school has won multiple state football championships, but the real strength is in broad college-prep academics and extensive extracurricular offerings. Several private school options are within a fifteen-minute drive, including Hill Country Christian School and Westlake Hills Presbyterian School. Community amenities are unusually robust for a residential development. The Belvedere clubhouse anchors the social calendar with member events. The lazy river and pool complex draws families through the long Texas summers. Stocked fishing ponds, sport courts, a junior Olympic pool, and miles of soft-surface trails fill out the recreation infrastructure. The 80-acre nature preserve includes a creek bottom and protected oak savanna where residents see deer, foxes, and the occasional armadillo on morning walks. Belvedere works for buyers who want gated security and resort-level amenities without sacrificing acreage or natural setting. It is more affordable than the ultra-luxury tier of Spanish Oaks and Barton Creek to the east, and offers more community infrastructure than the scattered estate sections of West Lake Hills. For families committed to Lake Travis ISD who want a community where the kids can bike to the pool and parents have a clubhouse worth using, Belvedere is one of the strongest options in the Bee Cave area.
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