
Enjoy effortless lakeside living in this fully updated, single-level condo with stunning east-facing views of Lake LBJ. Located on the second floor with elevator access, this lock-and-leave home features an open-concept layout with quartz countertops, stainless steel appliances, and no interior steps for easy accessibility. The spacious primary suite offers breathtaking lake views, balcony access, and a luxurious en suite bathroom with a walk-in shower and soaking tub. Two generous guest bedrooms, each with private en suite baths, provide comfort and privacy for family and friends. A private boat slip is included and features a $15,000 hydraulic lift, making lake days effortless and secure. A one-car garage with additional storage adds to the convenience, while the community pool and hot tub offer the perfect place to relax and unwind. Offered fully furnished, this home is move-in ready and delivers exceptional value for those seeking a premium waterfront lifestyle in Horseshoe Bay.
Property Type
Residential
Year Built
1996
$/Sq Ft
$622
HOA
$1750/mo
Garage
2 spaces
Pool
Yes
Listed by eXp Realty LLC
Property Details
Features
Appliances
Flooring
Features
Construction
Lot Features
Fencing
Foundation
Patio / Porch
Parking
Waterfront
Verified property facts
2509 Diagonal Unit #8 is listed at $1,250,000 with 3 bedrooms, 3 full bathrooms, 2,009 square feet.
2509 Diagonal Unit #8 is zoned for Llano ISD with assigned schools: Packsaddle (elementary), Llano (middle), Llano (high). School assignments should be verified directly with the district.
2509 Diagonal Unit #8 is a Residential built in 1996 featuring 3 bedrooms, 3 full bathrooms, 2,009 square feet.
2509 Diagonal Unit #8 is presented by the Keenan Group at Compass Real Estate, the #1 Austin Board of Realtors Team (2024) with 1,000+ career transactions and $1B+ in career volume across Austin's luxury market.
With 20% down ($250,000) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 2509 Diagonal Unit #8 is around $8,778 including principal, interest, and estimated taxes. Actual payment varies by rate, down payment, insurance, and HOA fees.
#1 Austin Board of Realtors Team. Over 1,000 successful transactions with high-end expertise.
25+ years advising buyers and sellers in this community
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 |
|---|---|---|---|---|
2025-21.3% | — | $429,314 | — | — |
2024+8.0% | — | $545,511 | $150,000 | $320,043 |
2023+51.4% | — | $505,132 | $150,000 | $395,511 |
2022+11.1% | — | $333,700 | $150,000 | $355,132 |
2021 | — | $300,300 | $75,000 | $258,700 |
Llano 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% ($250K)
$1,250,000
Luxury property intelligence
A sourced read on Tranquilo Bay pricing, timing, and property scale. No automated valuation claim.
List price
$1,250,000
Price per sqft
$622/sqft
Vs. Tranquilo Bay median
Not available
Days on market
1 day
Original to current
No verified reduction
$1.3M original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Jun 21, 2026.
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Private Austin CMA, TCAD context, and pricing strategy
Pricing, prep, launch timing, and Compass marketing strategy
#1 ABOR Team 2024 with $1B+ career sales volume
At $1,250,000, 2509 Diagonal Unit #8 is in the Tranquilo Bay market where there are currently 139 active listings in 78657.
2509 Diagonal Unit #8 includes verified waterfront access: Lake Front. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
2509 Diagonal Unit #8 is part of a managed community with HOA dues of $1,750 quarterly. HOA-managed communities in Austin's luxury market typically provide amenities such as common areas, security, and exterior maintenance. Verify current dues and rules with the HOA directly.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
6 events on record
Current Price
$1,250,000
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-21.3% | — | $429,314 | — | — |
2024+8.0% | — | $545,511 | $150,000 | $320,043 |
2023+51.4% | — | $505,132 | $150,000 | $395,511 |
2022+11.1% | — | $333,700 | $150,000 | $355,132 |
2021 | — | $300,300 | $75,000 | $258,700 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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