#1 Austin Board of Realtors Team 2024#1 Austin Board of Realtors Team 2024Sold by The Keenan Group
Joe and Cara Keenan | August 16, 2016
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$671,000
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Only the 2nd fourplex available in 1A in the last 4 years. This multifamily unit is strategically located along Mopac’s tech corridor near Oracle, Google and others. Currently 100% occupied with rents continuing to trend up due to Austin’s continued growth + the Mopac expansion project. All units are 2 bed/1.5 bath. Some updated units and recent upgrades. A phenomenal asset for any investor looking for a rental property or condo conversion.
Property Type
Residential Income
Year Built
1970
Lot Size
0.18 acres
$/Sq Ft
$146
Listed by Realty Austin
Property Details
Features
Appliances
Flooring
Laundry
Features
Construction
Fencing
Foundation
Patio / Porch
Parking
Pool
Waterfront
Verified property facts
8114 Sonnet Ave is zoned for Austin ISD with assigned schools: Hill (10/10) (elementary), Murchison (7/10) (middle), Anderson (7/10) (high). School assignments should be verified directly with the district.
8114 Sonnet Ave is a Residential Income built in 1970 featuring 4,588 square feet, 0.18-acre lot.
8114 Sonnet Ave 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 ($134,200) on a 30-year fixed mortgage at approximately 6.75%, the estimated monthly payment for 8114 Sonnet Ave is around $4,712 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 |
|---|---|---|---|---|
2025-18.2% | — | $696,778 | $423,479 | $273,299 |
2024-6.6% | — | $851,457 | $450,000 | $380,494 |
2023+23.8% | — | $911,640 | $450,000 | $401,457 |
2022 | — | $736,235 | $450,000 | $461,640 |
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% ($134K)
$671,000
Luxury property intelligence
A sourced read on Balcones Terrace pricing, timing, and property scale. No automated valuation claim.
List price
$671,000
Price per sqft
$146/sqft
Vs. Balcones Terrace median
Not available
Days on market
3,692 days
Original to current
$109K reduction
$780K original
Active inventory context
Ask for current inventory
Source: MLS Grid / Unlock MLS and Keenan Group review as of Apr 25, 2026.
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Pricing, prep, launch timing, and Compass marketing strategy
#1 ABOR Team 2024 with $1B+ career sales volume
1,000+ homes sold across Austin
At $671,000, 8114 Sonnet Ave is in the Balcones Terrace market where there are currently 64 active listings in 78759. The Keenan Group has completed 35 transactions in 78759 as part of 1,000+ career sales totaling $1B+ across Austin.
8114 Sonnet Ave was built in 1970 (56 years ago). Buyers should budget for potential updates to major systems.
8114 Sonnet Ave includes verified waterfront access: None. Buyers should confirm shoreline, dock rights, and floodplain status during due diligence.
Answers use visible listing facts, school context, and neighborhood data available on this page. Verify time-sensitive details before making decisions.
8114 Sonnet Ave was represented by Joe and Cara Keenan with Keenan Group at Compass Real Estate - Austin's #1 real estate team (Austin Board of Realtors 2024). 1,000+ career transactions, $1B+ in career volume. Contact (512) 415-7653.
Source: Keenan Group at Compass Real Estate, #1 Austin Board of Realtors Team (2024)
5 events on record
Timeline data compiled from MLS records and public records. Information deemed reliable but not guaranteed.
| Year | Taxes | Total Assessment | Land | Additions |
|---|---|---|---|---|
2025-18.2% | — | $696,778 | $423,479 | $273,299 |
2024-6.6% | — | $851,457 | $450,000 | $380,494 |
2023+23.8% | — | $911,640 | $450,000 | $401,457 |
2022 | — | $736,235 | $450,000 | $461,640 |
Timeline merges MLS activity (when permitted) with public records. Some details may be restricted to registered VOW clients.
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