Collin County Real Estate: A Market of More Choices in September 2025

The Collin County real estate market analysis for September 2025  reveals a landscape of changing inventory levels and price adjustments across both new and existing homes. This dynamic continues to shape the market for buyers and sellers. Let's explore the key trends across the new construction, resale, and residential lease sectors.

New Construction Market: A Mixed Picture

For those seeking a brand-new home in Collin County, the market shows a substantial year-over-year increase in available properties. Active listings for new construction stand at 2,209 , a 42.6% increase from last year , though they saw a slight 0.3% decrease from August 2025. This high inventory suggests more options for prospective buyers.

In terms of pricing, the average list price for a new home is $524.32K , which is a 9.7% decrease from the previous year and held steady (0.0% change) from last month. The average sales price for closed homes in September was $430.20K.

Key New Construction Market Trends:

• Growing Inventory: Active listings are at 2,209 , down 0.3% from last month but up 42.6% from last year.

• Price Adjustments: The average list price is $524.32K , a 9.7% decrease from last year. The average closed price was $430.20K , which is down 6.6% from August and down 13.3% from last year.

• Sales Activity: There were 549 closed sales , an 11.1% increase from last month and a 21.7% increase from last year. The 756 new listings represent a 2.7% decrease from August but a 57.2% jump from last year.

• Seller Negotiations: Sellers are receiving 92.1% of their original asking price.

• Time on Market: New construction properties are on the market for an average of 74 days.

• Market Supply: The market has 4.1 months of supply.

  
  

Resale Market: Inventory Remains High

The resale market in Collin County continues to see a large number of available homes compared to the previous year. Active listings stand at 4,527 , a significant 27.1% jump compared to last year , though this is a 4.5% decrease from the previous month. This influx of properties provides buyers with a wide selection. The average list price for resale homes is $649.39K , while the average sold price settled at $587.40K.

Key Resale Market Trends:

• Inventory Levels: Active listings are at 4,527 , down 4.5% from last month but up 27.1% from last year. New listings stand at 1,418.

• Price Dynamics: The average list price is $649.39K , up 6.3% from August but down 0.2% from the prior year. The average closed price is $587.40K , up 1.8% from last month and 2.1% from last year.

• Sales Activity: Closed sales reached 854 , which is a 16.9% decrease from last month and a 2.0% decrease from last year.

• Market Supply: The market has a 5.20-month supply of homes.

• Days on Market: Resale homes are taking an average of 59 days to sell.

• Seller Position: Sellers are receiving 93.6% of their original list price.

Rental Market: More Choices for Tenants

The residential lease market in Collin County is also expanding, offering more options for renters. Active lease listings are at 2,680 , which is a 2.4% decrease from August but an 8.2% increase from last year. The average list price for a rental is $2.71K , while the average price for a leased property is $2.50K.

Key Rental Market Trends:

• Growing Availability: Active listings are at 2,680 , down 2.4% from last month but up 8.2% from last year. There were 1,387 new lease listings.

• Leasing Activity: Closed leases totaled 861 , a 16.3% decrease from the previous month but a 4.5% increase from last year.

• Lease Prices: The average listed rent is $2.71K. The average closed lease price is $2.50K , a 2.9% decrease from the prior month and a 1.6% decrease from last year.

• Supply: There is a 2.75-month supply of rental properties.

• Leasing Time: Properties are taking an average of 39 days to lease.

• Leasing Close to Asking Price: Properties are being leased at 95.8% of their original listed price.
  

Overall Market Outlook

September 2025 in Collin County is characterized by higher year-over-year housing inventory across both sales and rental markets. This provides buyers and renters with more choices than they have seen in the recent past. The new construction market has seen its average sale price decrease compared to the previous year , while the resale market has experienced a slight year-over-year price increase. With an average mortgage rate of 6.79%, market participants should remain informed and strategic in their decision-making.

Important Note:

This analysis is based on data from NTREIS (North Texas Real Estate Information Systems) as of September 30, 2025.  Market conditions can change rapidly, and this report is intended for informational purposes only. It should not be considered a guarantee of future market performance.