Market · October 12, 2026
Brian Copland
Balcones / Northwest Hills: what September's 78731 numbers mean for buyers and sellers
Balcones Northwest Hills 78731 real estate market September 2026: median sale price $1,120,500, 21 median days on market, and 3.42 months of inventory.
In September 2026, 78731 sold 31 homes at a median of $1,120,500. Median days on market was 21. Months of inventory was 3.42.
The City of Austin median was $573,450 on 822 sales, with 54 median days and 5.09 months of inventory. The Austin metro median was $415,000 on 2,435 sales, with 61 median days and 5.32 months of inventory.
31 sales is a small sample.
How 78731 compared with Austin
The 78731 median sale price was $1,120,500, against $573,450 in the City of Austin and $415,000 across the Austin metro. Median days on market was 21, against 54 in the city and 61 in the metro. Months of inventory was 3.42, against 5.09 and 5.32.
Active listings were 113 in 78731, 4,737 in the city, and 14,328 in the metro.
September snapshot
One month of closed residential sales. Median price per square foot in 78731 was $382, against $287 in the city and $206 in the metro.
| Metric | 78731 | City of Austin | Austin metro |
|---|---|---|---|
| Median sale price* | $1,120,500 | $573,450 | $415,000 |
| Median days on market | 21 | 54 | 61 |
| Months of inventory | 3.42 | 5.09 | 5.32 |
| Homes sold | 31 | 822 | 2,435 |
| Active listings | 113 | 4,737 | 14,328 |
| Median price per sq ft | $382 | $287 | $206 |
| Sale vs list | 3.44% below | 3.26% below | 2.69% below |
* Source: AgentIntel, Unlock MLS via MLS Grid, September 2026, residential, ZIP 78731, City of Austin, and the Austin metro, pulled October 26, 2026.
July and August
The 78731 median was $1,060,000 in July and $1,095,000 in August, then $1,120,500 in September. Median days on market was 19.5 in July, 48.5 in August, and 21 in September. Months of inventory moved from 2.87 in July to 3.08 in August to 3.42 in September.
Homes sold were 32 in July, 36 in August, and 31 in September. Median price per square foot was $401 in July, $396 in August, and $382 in September.
For buyers
City inventory at 5.09 months is the city figure. 78731 had 3.42 months and 113 active listings.
Some homes in 78731 are private and do not show on the public search sites. The current set is on the private listings in 78731 page.
Line up financing before you tour.
For sellers
Sales closed 3.44% below list in 78731. Price from recent comps on day one.
I will put the comps and a written net in front of you before we pick a list price.
Where Balcones / Northwest Hills sits
Balcones / Northwest Hills is on the central-west side of Austin. The greenbelt and the trails are part of the neighborhood, and many of the higher lots look out over trees and hills. The drive is into central Austin.
Questions
What was the median home price in 78731 in September 2026?
The median sale price was $1,120,500 on 31 sales. August was $1,095,000 and July was $1,060,000.
How long do homes take to sell in Balcones / Northwest Hills?
The median was 21 days on market in September 2026. The City of Austin median was 54 days. The Austin metro median was 61 days.
Is 78731 a buyer's or seller's market?
September had 3.42 months of inventory and a median of 21 days on market. The City of Austin had 5.09 months and a median of 54 days. Sales in 78731 closed 3.44% below list.
What was the price per square foot in 78731 in September 2026?
The median price per square foot was $382. The city median was $287 and the metro median was $206.
How many homes were for sale in 78731 in September 2026?
Active listings were 113. New listings were 40. Pending was 26.
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