Darien, CT October 2025 Real Estate Market Report: Insights & Forecast
Assembled by: Judy Michaelis, 203-247-5000
Market Trends Report
Overview
The overview below shows real estate activity from January 2025 to September 2025. You will see data comparisons between September and the previous month, the last three months and September 2024.
| Overview | YTD Avg. | September | August | Jun. – Aug. | Sep. 2024 |
|---|---|---|---|---|---|
| New Listings | 231 | 24 | 12 | 18 | 26 |
| Average Sales Price per Square Foot | 746 | 692 | 704 | 720 | 645 |
| Average Days on Market | 33 | 51 | 27 | 31 | 43 |
| Number of Properties for Sale | 288 | 33 | 25 | 30 | 40 |
| Average List Price | $4,331,938 | $4,710,305 | $4,403,363 | $4,139,595 | $3,797,922 |
| Median List Price | $2,975,222 | $2,995,000 | $2,250,000 | $2,107,833 | $2,745,000 |
| Average Sales Price | $2,795,944 | $2,691,734 | $2,495,043 | $2,799,469 | $3,050,950 |
| Median Sales Price | $2,437,000 | $2,200,000 | $2,329,000 | $2,483,000 | $3,017,500 |
| Sales Price / List Price Ratio | 106.48% | 105.74% | 105.56% | 107.28% | 104.56% |
| Number of Properties Sold | 189 | 12 | 34 | 34 | 20 |
| Month’s Supply of Inventory | 1.99 | 2.75 | 0.74 | 0.91 | 2 |
| Absorption Rate | 0.68 | 0.36 | 1.36 | 1.19 | 0.5 |
Average & Median Sales Price
The median sales price in September 2025 was $2,200,000, down -5.54% from $2,329,000 from the previous month and -27.09% lower than $3,017,500 from September 2024. The September 2025 median sales price was at a mid level compared to September 2024 and 2023.
The average sales price in September 2025 was $2,691,734, up 7.88% from $2,495,043 from the previous month and -11.77% lower than $3,050,950 from September 2024. The September 2025 average sale price was at a mid level compared to September 2024 and 2023.
Sales Price / List Price Ratio
The sales price/list price ratio is the average sale price divided by the average list price for sold properties expressed as a percentage. If it is above 100%, homes are selling for more than the list price. If it is less than 100%, homes are selling for less than the list price.
The September 2025 sales price/list price ratio was 105.74%, equal to the previous month and up from 104.56% from September 2024.
Number of Properties Sold & Absorption Rate
The number of properties sold in September 2025 was 12, down -64.71% from 34 from the previous month and -40.0% lower than 20 from September 2024. The September 2025 sales were at its lowest level compared to September 2024 and 2023.
Absorption rate is the avg number of sales per month divided by the total number of available properties.
Average Days on Market
The average days on market (DOM) is the number of days a property is on the market before it sells. An upward trend in DOM tends to indicate a move towards a buyer’s market, a downward trend tends to indicate a move towards seller’s market.
The DOM for September 2025 was 51 days, up 88.89% from 27 days from the previous month and 18.60% higher than 43 days from September 2024. The September 2025 DOM was at a mid level compared with September 2024 and 2023.
Average Sales Price per Square Foot
The average sales price per square foot is a more normalized indicator for the direction of property value. The sales price per square foot in September 2025 was $692, down -1.70% from $704 from the previous month and 7.29% higher than $645 from September 2024.
Inventory & MSI
The number of properties for sale in September 2025 was 33, up 32.00% from 25 from the previous month and -17.50% lower than 40 from September 2024. The September 2025 inventory was at its lowest level compared with September 2024 and 2023.
A comparatively lower MSI is more beneficial for sellers while a higher MSI is better for buyers. The September 2025 MSI of 2.75 months was at a mid level compared with September 2024 and 2023.
New Listings
The number of new listings in September 2025 was 24, up 100% from 12 from the previous month and -7.69% lower than 26 from September 2024. The September 2025 listings were at its lowest level compared to September 2024 and 2023.
Judy Michaelis
Prefer the quick version? Here's a snapshot of the September 2025 Darien Market Update:
🏠 Home prices continue August's decline – Median sales price dropped to $2.20M, down 6% from August's $2.33M, and 27% lower than last year's $3.02M. Market cooling trend persists as prices retreat from summer peaks.
⏳ Homes taking longer to sell – Average days on market jumped to 51 days, up 89% from August's 27 days. Significant slowdown in selling speed as market normalizes from summer's rapid pace.
📈 Inventory rises but remains constrained – 33 homes for sale, up 32% from last month's 25, but still 18% lower than last year's 40. Supply improving slightly but still well below healthy market levels.
📉 Sales volume drops sharply – Only 12 homes closed in September, down 65% from August's 34, and 40% lower than last year's 20. Dramatic transaction slowdown as market enters fall season.
What Buyers and Sellers Need to Know
✨ Sellers: Market cooling significantly with prices down 6% and homes taking 51 days to sell versus 27 in August. Volume dropped sharply to just 12 sales. Strategic pricing and patience essential in slower fall market.
🔍 Buyers: Inventory up to 33 homes with reduced competition - only 12 transactions versus 34 last month. Sellers facing longer selling times creates negotiating leverage. Best buyer conditions in months for measured decision-making.
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