78665 covers the northeastern side of Round Rock in Williamson County, stretching along University Boulevard, Old Settlers Boulevard, Red Bud Lane, County Road 110, and the State Highway 130 corridor. I’m Robbie English, REALTOR, Broker with Uncommon Realty, and I’ve worked in Central Texas real estate for more than 40 years — here’s what actually matters if you’re looking here.
Neighborhoods in 78665
This ZIP code mixes established subdivisions with newer, larger master-planned communities. Paloma Lake and Teravista are the two best-known names here, both built around neighborhood amenity centers, pools, and trails. Siena, Eagle Ridge, and parts of Avery Centre round out the area with a quieter, simpler HOA structure and generally fewer shared facilities. Which one fits depends mostly on whether you want to pay for amenities you’ll actually use or keep dues low.
Pricing here tracks the specific subdivision and build year more than any ZIP-code-wide average — a newer home in Teravista can be priced very differently from a similar-sized home a mile away in an older section of Siena. I’d rather pull comps from your target neighborhood than quote you a citywide number that doesn’t reflect the block you’re actually considering.
Parks, Schools, and Getting Around
Old Settlers Park is the anchor recreational space in this part of Round Rock — sports fields, trails, playgrounds, and picnic areas spread across a large tract, and Dell Diamond, home of the Round Rock Express, sits inside the same ZIP code. Most of 78665 is zoned to Round Rock ISD, though attendance boundaries shift street to street, so confirm the specific campus for any address before you get attached to a school. University Boulevard and SH 130 give you a few different ways to reach central Round Rock, Georgetown, Pflugerville, and Hutto — test your actual commute at the time of day you’d be driving it, not on a quiet Sunday afternoon.
If you want a broader look at the rest of Round Rock, my Round Rock homes for sale page covers the full city.
Frequently Asked Questions
Is 78665 in Round Rock?
Yes, it’s the northeastern part of the city, in Williamson County.
Does 78665 have community amenities?
Many of the newer subdivisions do — pools, trails, and playgrounds — while some of the simpler, older sections have fewer shared facilities and lower dues. It varies by neighborhood, so check the specific HOA before you buy.
Ready to take the next step? browse the full 78665 MLS search.
