Fastest-Appreciating ZIP Codes in Austin-Round Rock-Georgetown, TX (2026)

Ranked by 5-year compound annual growth in home values. Fast growth and strong cash flow rarely appear in the same ZIP — this is the other side of that trade.

# ZIP City Home value Rent Cap rate 5-yr growth
1 78650 McDade, TX $466,578 $1,584 2.65% 3.3%
2 78659 Paige, TX $456,400 $1,584 2.71% 2.8%
3 78662 Red Rock, TX $466,223 $1,584 2.65% 2.8%
4 76527 Florence, TX $543,028 $1,584 2.28% 2.7%
5 78746 West Lake Hills, TX $1,734,636 $1,893 0.85% 2.7%
6 78612 Bastrop, TX $425,640 $1,584 2.90% 2.6%
7 78655 Martindale, TX $337,340 $1,170 2.71% 2.3%
8 78957 Smithville, TX $345,213 $1,717 3.88% 1.8%
9 78615 Coupland, TX $551,717 $1,584 2.24% 1.7%
10 78602 Bastrop, TX $352,939 $1,837 4.06% 1.6%
11 78619 Driftwood, TX $942,484 $3,250 2.69% 1.5%
12 78733 Austin, TX $1,178,374 $2,864 1.90% 1.4%
13 78654 Marble Falls, TX $403,726 $1,660 3.21% 1.4%
14 78644 Lockhart, TX $282,667 $1,729 4.77% 1.3%
15 78731 Austin, TX $1,035,664 $1,729 1.30% 1.2%
16 78953 Rosanky, TX $560,426 $1,683 2.34% 1.2%
17 78703 Austin, TX $1,315,141 $2,552 1.51% 1.0%
18 76578 Thrall, TX $374,642 $1,584 3.30% 1.0%
19 78730 Austin, TX $1,141,394 $1,547 1.06% 0.9%
20 78676 Wimberley, TX $562,657 $2,088 2.89% 0.7%
21 78648 Luling, TX $230,953 $975 3.29% 0.6%
22 78642 Liberty Hill, TX $495,393 $2,257 3.55% 0.5%
23 76574 Taylor, TX $283,531 $2,218 6.10% 0.5%
24 78739 Austin, TX $807,802 $3,560 3.44% 0.4%
25 78719 Austin, TX $421,772 $1,602 2.96% 0.4%

Ranked from Repit’s own ZIP-level data — Zillow home values and rents, HUD fair-market rents where Zillow has no coverage, and U.S. Census vacancy. Cap rate is gross: annual rent over purchase price, before financing and expenses. Every ZIP above links to its full free page. How we calculate this →