Ada County Home Prices Rise, Canyon Holds Steady in September

Market Report

Oct 16

The Treasure Valley housing market continued to show balance in September, with Ada County home prices posting modest gains while Canyon County experienced a slight dip.

The median sales price for Ada County homes that closed last month was $555,000, nearly $18,000 more than in September 2024 and about $5,000 less than the month prior—an increase of 3.3% year-over-year. In Canyon County, the median sales price was $421,944, approximately $3,000 less than the same time last year and around $8,000 less than the month prior, representing a slight year-over-year decline of 0.7%.

Home sales were up in Ada County and down slightly in Canyon. With 782 sales, Ada County saw 68 more closings in September than the same month last year, up 9.5% year-over-year. Canyon County recorded 418 sales, a decrease of 2.6% from September 2024.

Inventory continued to climb in September across both counties, marking 20 consecutive months of year-over-year increases. Buyers in Ada County had 2,192 homes to choose from, an increase of 26.8% compared to last year, while Canyon County recorded 1,183 active listings, up 5.8% from the previous year. New homes accounted for more than half of the available inventory in Canyon County.

More inventory has translated to more opportunity for buyers, particularly in the resale segment, where price drops and negotiations are on the rise. In Ada County, homes sold for an average of 97.1% of their original list price in September, meaning buyers paid about 2.9% below asking on average. In Canyon County, buyers paid an average of 3.3% below the original list price. Many new construction buyers are also taking advantage of builder incentives, adding further flexibility to the market.

Overall, the Treasure Valley housing market remains steady heading into the fall and winter season. For buyers, increased inventory and ongoing incentives offer more options and room to negotiate. For sellers, pricing strategically and making necessary repairs are key to appealing to today’s buyers.

“The market has found a new rhythm,” said Bryce Miller, agent and investment property expert with The Agency Boise. “Buyers and sellers are both finding opportunities—buyers through greater choice and negotiation, and sellers through demand that is loosening up with slightly lower mortgage rates. It’s becoming a more balanced, healthy environment that rewards preparation and expertise.”

Ready to make a move? A proven real estate agent will negotiate on your behalf, address the potential hurdles to a transaction, and utilize their industry knowledge and connections to get the job done. The Agency Boise is made up of a select group of driven agents that have deep roots in the community, local expertise, and are backed with a regional and global reach. Who you work with, matters.

Other notable metrics:

In Ada County,

Buyers had 2,192 available homes to choose from in September — 463 more than in September 2024.
There were 1,136 pending sales, or homes under contract, in September, down 6.4% compared to a year ago.
With 782 sales for the county, there were 68 more closings in September than the same month a year ago.
The median sales price for homes that closed last month was $555,000, nearly $18,000 more than in September 2024, and about $5,000 less than the month prior.
The average percent of the original list price received for homes that closed in September was 97.1%, meaning that on average, buyers paid 2.9% less than the price for which the home was originally listed.
Months supply of inventory stayed steady at 3.0 months in September and is at the highest level in years. Months supply is calculated by dividing the current inventory by the average sales from the last 12 months and indicates how long current inventory would last if no new listings were added. A balanced market, not favoring buyers or sellers, is typically considered 4-6 months of supply.
The most popular price range for home sales was $450,000-$600,000 with 260 sales, a third of all home sales for the county. Of those, the average days on market before going under contract was 49 days and the average percent of original list price received was 96.5%.
As of September 14th, 2025, the list price range with the most inventory was $450,000-$600,000 with 746 listed homes, about a third of all listed homes for the county. Of those, the average days they’ve spent on the market so far is 65 days. On average, those listed homes have undergone an average of a 2.0% price drop from the original listing price.

In Canyon County,

With 1,183 active listings in September, inventory was up 5.8% year-over-year, giving buyers 65 more listings to choose from compared to a year ago. New homes made up over half of all available homes for sale.
There were 647 pending sales in September 2025, down 5.5% when compared to the same month a year ago.
With 418 sales last month, closings were down 2.6% compared to September 2024.
The median sales price for September home sales was $421,944, about $3,000 less than in September 2024 and approximately $8,000 less than the month prior.
The average percent of the original list price received for homes that closed in September was 96.7%, meaning that on average, buyers paid 3.3% less than the price for which the home was originally listed.
Months supply of inventory was at 2.8 months in September, down slightly from last month. Months supply is calculated by dividing the current inventory by the average sales from the last 12 months and indicates how long current inventory would last if no new listings were added. A balanced market, not favoring buyers or sellers, is typically considered 4-6 months of supply.
The most popular price range for home sales was $300,000-$450,000 with 223 sales, over half of all home sales for the county. Of those, the average days on market before going under contract was 52 days and the average percent of original list price received was 97.5%.
As of September 14th, 2025, the list price range with the most inventory was $300,000-$450,000 with 457 listed homes, over a third of all the listed homes for the county. Of those, the average days they’ve spent on the market so far is 74 days. On average, those listed homes have undergone an average of a 2.0% price drop from the original listing price.