# 21801 O'Neill Ave, Lago Vista, TX 78645 > **TL;DR:** land, $45,000 ($5/sqft), 9,015 sqft. Est. $481/mo. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $45,000 | | Price/sqft | $5 | | Square Feet | 9,015 | | Lot Size | 9,017 sqft (0.21 acres) | | Property Type | Land (Other) | | Status | Active | | Days on Market | 0 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $228 | | Estimated Insurance | $13 | | HOA | $240 | | **Total** | **$481** | ## Property Highlights - 0.21 acre lot ## Description ### Agent Description Beautiful Hill Country Lot located in Highland Lake Estates in Lago Vista, Texas, in close proximity to Lake Travis. Located on a gently sloping hill, with lots of potential to build your permanent home or a vacation oasis! .20 Acre. Wonderful amenities in the Lago Vista area including 9 parks, 6 party pavilions, 5 playgrounds, 4 boat ramps, a marina, a fishing well, campground, swimming pool, a Disc Golf course, Tennis, Pickle Ball courts, Basketball courts, and much much more! This community has so much ## Location - **Address:** 21801 O'Neill Ave, Lago Vista, TX 78645 - **County:** Travis - **Coordinates:** 30.428789, -98.026126 - **Google Maps:** https://www.google.com/maps?q=30.428789,-98.026126 ## Virtual Tour & Media - **Video Tour:** https://www.tourfactory.com/idxr3162841 ## Listing Agent - **Name:** Brigette Neal - **Brokerage:** Brigette Neal - **Broker Phone:** (210) 887-5537 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/21801O-Neill-Ave_TX_78645_M80382-44050?f=listhub&s=SABORTX&m=2021004&c=propsimple) ## Photos ![21801 O'Neill Ave - Photo 1](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f78045711r.jpg) ![21801 O'Neill Ave - Photo 2](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f1023807446r.jpg) ![21801 O'Neill Ave - Photo 3](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f2465337048r.jpg) ![21801 O'Neill Ave - Photo 4](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f666438523r.jpg) ![21801 O'Neill Ave - Photo 5](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f967716356r.jpg) ![21801 O'Neill Ave - Photo 6](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f359208195r.jpg) ![21801 O'Neill Ave - Photo 7](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f560393313r.jpg) ![21801 O'Neill Ave - Photo 8](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f171187235r.jpg) ![21801 O'Neill Ave - Photo 9](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f1745466797r.jpg) ![21801 O'Neill Ave - Photo 10](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f2508214242r.jpg) ![21801 O'Neill Ave - Photo 11](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f1951154615r.jpg) ![21801 O'Neill Ave - Photo 12](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f1630611581r.jpg) ![21801 O'Neill Ave - Photo 13](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f954270789r.jpg) ![21801 O'Neill Ave - Photo 14](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f3675264049r.jpg) ![21801 O'Neill Ave - Photo 15](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f3263232026r.jpg) ![21801 O'Neill Ave - Photo 16](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f931983391r.jpg) ![21801 O'Neill Ave - Photo 17](http://lh.rdcpix.com/358f46c7d0a649deb5cc57f5990ca227l-f470929246r.jpg) --- **MLS#:** 2021004 | **Updated:** 2026-10-20 **Source:** listhub *Copyright © 2026 LERA MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.* [View on PropertySimple](https://www.propertysimple.ai/listing/21801-o-neill-ave-lago-vista-tx-78645-53d440e9faab4a598cd2ab0b86b3c012) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/21801-o-neill-ave-lago-vista-tx-78645-53d440e9faab4a598cd2ab0b86b3c012#listing", "url": "https://www.propertysimple.ai/listing/21801-o-neill-ave-lago-vista-tx-78645-53d440e9faab4a598cd2ab0b86b3c012", "name": "21801 O'Neill Ave, Lago Vista, TX 78645", "description": "Beautiful Hill Country Lot located in Highland Lake Estates in Lago Vista, Texas, in close proximity to Lake Travis. Located on a gently sloping hill, with lots of potential to build your permanent home or a vacation oasis! .20 Acre. 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