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Published October 11, 2026 in Market Update

One part of Norwalk CT is moving faster and bidding harder than the rest

By tara chlupsa
Real estate, Norwalk CT Market Watch

The National Association of Realtors puts U.S. inventory at 4.9 months right now. That is the highest level in over ten years. Norwalk, CT is not the U.S. market. The Real Estate Data Aggregator counted just 166 homes for sale across all five Norwalk, CT ZIP codes in the three months ending August 31, 2026. That is down 8.3% from the same months of 2025. Supply is tight here. But one ZIP code is in a different category entirely.

ZIP 06853: the tightest corner of Norwalk, CT

The Real Estate Data Aggregator counted 17 homes sold in ZIP 06853 in the three months ending August 31, 2026. Only 8 homes were for sale. That works out to 1.4 months of supply. Freddie Mac put the average 30-year fixed rate at 7.40% as of October 8, 2026. Rates that high slow things down in most places. Not here.

ZIP 06853, three months ending August 31, 2026
Months of supply
Down 0.2 months from a year before
Median days on market
23 days shorter than a year before
Sale to list price
Up 4 points from a year before
Source: Real Estate Data Aggregator, the three months ending August 31, 2026

Homes in ZIP 06853 sold at 108.8% of list price on average, according to the Real Estate Data Aggregator. That means buyers paid well above the asking price, on average. The median sale price was $2,500,000, up 23.5% from the same three months of 2025. Pending sales rose 38.5% year over year. Nearly two out of three homes, 64.7%, sold above list price. That share jumped 23.5 points in one year.

Median sale price in ZIP 06853, three months ending August 31, 2026
Source: Real Estate Data Aggregator, the three months ending August 31, 2026

In ZIP 06853, the median sale price was 23 days shorter to reach than a year ago. Mistakes get expensive fast in a market where the typical home goes under contract in 15 days and buyers are already writing offers above asking.

How the other Norwalk, CT ZIP codes compare

The rest of Norwalk, CT is competitive too. But the numbers are different. ZIP 06850 had 1.8 months of supply and homes sold at 105.4% of list price. ZIP 06851 had 1.9 months of supply and a 104.8% sale-to-list ratio. Both are strong. Neither is 06853. ZIPs 06854 and 06855 had more supply and slower sales. The Real Estate Data Aggregator showed 41 days on market in ZIP 06855 and 37 days in ZIP 06854. Those are not slow markets. But they are not 15 days either.

What is happening with prices across Norwalk, CT

Every Norwalk, CT ZIP code saw prices rise year over year, according to the Real Estate Data Aggregator. ZIP 06854 was up 22.3%. ZIP 06853 was up 23.5%. Even ZIP 06855, which had the slowest pace and the weakest sale-to-list ratio of the five, was up 10.1%. Nationally, the National Association of Realtors reported that existing-home sales dropped 2.0% month over month in August 2026. Norwalk, CT is moving in a different direction on price.

Median sale price by ZIP code, three months ending August 31, 2026
06853$2,500,00006855$891,00006851$724,50006850$710,00006854$670,000
Real Estate Data Aggregator, three months ending August 31, 2026. ZIP 06853 is a luxury market and sits in a separate price tier from the other four.

Speed: who is going under contract fast

The Real Estate Data Aggregator tracked the share of homes that went under contract within two weeks of listing. In ZIP 06850, that was exactly 50%, up 10.9 points from a year before. In ZIP 06851, it was 45.1%. In ZIP 06854, it was 38.2%. In ZIP 06855, it was 29.6%. ZIP 06853 was 27.8%, the lowest of the five. That sounds slow until you remember the median days on market there was 15. The two-week contract share and the days-on-market number tell different things. In 06853, homes move fast. They just do not always go under contract in the first two weeks because buyers in that price range take a little more time.

Share of homes under contract within two weeks, three months ending August 31, 2026
0685050%0685145.1%0685438.2%0685529.6%0685327.8%
Real Estate Data Aggregator, three months ending August 31, 2026.

The national picture and what it means here

Freddie Mac reported the 30-year fixed rate averaged 7.40% as of October 8, 2026. The 15-year averaged 6.73%. CNBC reported rates hit above 7.5% in early October 2026. Nationally, Realtor.com reported active listings are up 6.7% from a year ago. That is the fastest pace since February. In Norwalk, CT, the Real Estate Data Aggregator shows the opposite: listings are down 1.5% across all five ZIP codes. Buyers here have fewer choices than buyers in most of the country.

What this means if you are selling in Norwalk, CT

Condition and price still matter. The Real Estate Data Aggregator showed that 21% of U.S. sellers dropped their asking price in a recent four-week period, according to Redfin. In Norwalk, CT, homes priced right and presented well are getting multiple bids. Homes that are not are sitting. ZIP 06855 saw median days on market rise 12 days year over year. That is a signal. Price it wrong there and you will feel it.

In ZIP 06853, the margin for error is almost zero. Fifteen days on market. Eight homes for sale. Buyers ready to pay 108.8% of list. If you underprice, you leave money behind. If you overprice, you look out of step with a market that already knows exactly what things are worth.

What this means if you are buying in Norwalk, CT

You need to know which ZIP you are shopping in before you write an offer. In ZIP 06850 and 06851, more than 70% of homes sold above list price. In ZIP 06855, it was 54.6%. That gap matters when you are deciding how much to offer. A strategy that works in one part of Norwalk, CT can cost you the house in another.

In short
  1. Norwalk, CT inventory is down 8.3% across all five ZIP codes, per the Real Estate Data Aggregator.
  2. ZIP 06853 is the tightest, with 1.4 months of supply and homes selling at 108.8% of list.
  3. The other four ZIP codes are competitive but different from each other.
  4. One street can read very differently from the whole ZIP code.
  5. The data above covers the three months ending August 31, 2026.

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