Darien, CT September 2026 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 2026 to August 2026. You will see data comparisons between August and the previous month, the last three months and August 2025.
| Overview | YTD Avg. | August | July | May. – Jul. | Aug. 2025 |
|---|---|---|---|---|---|
| New Listings | 201 | 10 | 14 | 25 | 12 |
| Average Sales Price per Square Foot | 810 | 850 | 832 | 823 | 704 |
| Average Days on Market | 39 | 31 | 34 | 23 | 27 |
| Number of Properties for Sale | 231 | 22 | 27 | 32 | 25 |
| Average List Price | $4,723,949 | $4,790,591 | $4,657,626 | $4,844,579 | $4,361,160 |
| Median List Price | $3,625,500 | $3,850,000 | $3,850,000 | $3,813,333 | $2,250,000 |
| Average Sales Price | $3,115,241 | $3,444,582 | $3,774,064 | $3,301,982 | $2,495,043 |
| Median Sales Price | $2,819,531 | $2,995,000 | $3,150,000 | $2,983,333 | $2,329,000 |
| Sales Price / List Price Ratio | 108.28% | 107.52% | 106.25% | 110.47% | 105.56% |
| Number of Properties Sold | 164 | 31 | 35 | 33 | 34 |
| Month’s Supply of Inventory | 2.97 | 0.71 | 0.77 | 1.01 | 0.74 |
| Absorption Rate | 0.74 | 1.41 | 1.3 | 1.05 | 1.36 |
Average & Median Sales Price
The median sales price in August 2026 was $2,995,000, down -4.92% from $3,150,000 from the previous month and 28.60% higher than $2,329,000 from August 2025. The August 2026 median sales price was at its highest level compared to August 2025 and 2024. The average sales price in August 2026 was $3,444,582, down -8.73% from $3,774,064 from the previous month and 38.06% higher than $2,495,043 from August 2025. The August 2026 average sale price was at its highest level compared to August 2025 and 2024.
Note: the source report’s monthly trend line isn’t accompanied by per-point labels, so the chart below shows only the confirmed comparison points from the report (YTD average, the May.–Jul. period, July, August, and August 2025) rather than a fabricated 36-month series.
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 August 2026 sales price/list price ratio was 107.52%, up from 106.25% from the previous month and up from 105.56% from August 2025.
Note: shown as a comparison of the confirmed report values (YTD average, May.–Jul., July, August, August 2025) — full monthly figures were not labeled in the source report.
Number of Properties Sold & Absorption Rate
The number of properties sold in August 2026 was 31, down -11.43% from 35 from the previous month and -8.82% lower than 34 from August 2025. The August 2026 sales were at a mid level compared to August 2025 and 2024. Absorption rate is the avg number of sales per month divided by the total number of available properties.
Note: several monthly bar labels for Properties Sold overlapped illegibly in the source chart, so this chart shows only the five confirmed comparison points from the Overview table rather than the full 36-month series shown for Days on Market and Inventory below.
Absorption rate monthly values weren’t labeled in the source chart — only the comparison points below are confirmed.
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 a seller’s market. The DOM for August 2026 was 31 days, down -8.82% from 34 days from the previous month and 14.81% higher than 27 days from August 2025. The August 2026 DOM was at a mid level compared with August 2025 and 2024.
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 August 2026 was $850, up 2.16% from $832 from the previous month and 20.74% higher than $704 from August 2025.
Note: shown as a comparison of the confirmed report values — full monthly figures were not labeled in the source chart.
Inventory & MSI
The number of properties for sale in August 2026 was 22, down -18.52% from 27 from the previous month and -12.00% lower than 25 from August 2025. The August 2026 inventory was at its lowest level compared with August 2025 and 2024. A comparatively lower MSI is more beneficial for sellers while a higher MSI is better for buyers. The August 2026 MSI of 0.71 months was at its lowest level compared with August 2025 and 2024.
MSI monthly values weren’t labeled in the source chart — only the comparison points below are confirmed.
New Listings
The number of new listings in August 2026 was 10, down -28.57% from 14 from the previous month and -16.67% lower than 12 from August 2025. The August 2026 listings were at its lowest level compared to August 2025 and 2024.
Note: several monthly bar labels for New Listings overlapped illegibly in the source chart, so this chart shows only the five confirmed comparison points from the Overview table rather than a fabricated 36-month series.
Judy Michaelis
Prefer the quick version? Here’s a snapshot of the August 2026 Darien Market Update:
💰 Prices are up sharply year-over-year — Median sales price hit $2,995,000, up 28.60% from August 2025’s $2,329,000, even with a 4.92% dip from July’s $3,150,000. Average sales price followed suit at $3,444,582, up 38.06% from last August.
⏳ Homes are still selling at a healthy clip — Average days on market came in at 31, down slightly from 34 in July but up 14.81% from August 2025’s 27 days. Still a solid pace for sellers.
📦 Inventory hit a three-year August low — Only 22 homes for sale, down 12.00% from August 2025’s 25. With a Month’s Supply of just 0.71, competition for available homes remains fierce.
📊 Sellers keep winning big — 31 homes closed in August, and they sold at 107.52% of list price, up from both June’s 106.25% and last August’s 105.56%. Sellers continued getting well over asking even as new listings pulled back to just 10.
What Buyers and Sellers Need to Know
✨ Sellers: Inventory is at its lowest August level in three years and homes are closing well above asking price. With a sales-to-list ratio of 107.52% and just 0.71 months of supply, conditions strongly favor sellers — pricing right continues to bring strong results.
🔍 Buyers: With only 22 homes available and new listings pulling back to just 10 this month, the pool is thin. Be ready to move decisively when the right home appears, and lean on data, not emotion, when shaping an offer.
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