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Greenhaven Harbor Heights (The Heights) Heathcote Hill Mamaroneck Line Business District (Mamaroneck Line) Old Rye Neck Orienta Shore Acres (Shore Acres Point Corporation) Washingtonville (The Flats)

MAMARONECK, NY 10543

Real Estate Market Report  ·  Westchester County
Seller's Market
April 2026  ·  Source: Realtor.com

Neighborhoods in ZIP 10543

Greenhaven · Harbor Heights (The Heights) · Heathcote Hill · Mamaroneck Line Business District (Mamaroneck Line) · Old Rye Neck · Orienta · Shore Acres (Shore Acres Point Corporation) · Washingtonville (The Flats)

Market Analysis

Data as of April 2026. Source: Realtor.com.

The MAMARONECK, NY real estate market (10543) currently shows 28 active listings, with 4 pending sales. Homes are averaging 12 days on the market before going under contract.

Inventory has tightened compared to last year, with 45 fewer active listings — creating more competition among buyers.

Homes are selling faster, averaging 12 days on market compared to 34 days last year.

The median listing price has risen 4.2% year-over-year, from $853,000 to $889,250.

Whether you are buying or selling in MAMARONECK, NY, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.

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Market Context

Market Context

Population: 21,281  ·  Density: 1,918.4/mi²  ·  Median household income: $128,047

Typical home value: $739,157  ·  Homeownership: 62.3%

Market Overview

Active Listings
28
⇩ 61.6% vs 73 last year
Pending
4
14% pending ratio
Median Price
$889,250
⇧ 4.2% vs $853,000 last year
Average Price
$1,320,073
⇧ 19.8% vs $1,101,775 last year
Days on Market
12
⇩ 64.7% vs 34 days last year

Price Per Square Foot

Median $/sqft
$523
⇧ 6.7% vs $490/sqft last year
Median Home Size
1,724 sqft
Typical listing size
12-Month $/sqft Trend

Market Trends

Inventory & Days on Market

Year over Year
  • Listings: 28 this year vs 73 last year
  • Days on market: 12 now vs 34 last year

Median & Average Pricing

Year over Year
  • Median: $889,250 (+4.2% YoY)
  • Average: $1,320,073 (+19.8% YoY)

12-Month Price Trend

Median & Average
  • Median and average listing prices over the past 12 months

12-Month Inventory Trend

Active & Pending
  • Active and pending listing counts over the past 12 months

Historical Trend Charts

Median Price
Average Price
Days on Market
Total Listings
Pending Listings
Active Listings
New Listings
Price Per Sqft
Price Reduced %

Nearby Real Estate Markets

Median Price Legend:
< $250K
$250K–$500K
$500K–$1M
$1M–$2M
> $2M
25 Nearby Zip Code Markets within 6.9 miles — 338 listings ($328,691,424 combined market value)
Zip City / State Distance Listings Market Value Median $ Average $
10543Mamaroneck, NY 105430.0 mi19$16,459,054$434,000$866,266
10528Harrison, NY 105281.9 mi10$25,481,560$2,667,250$2,548,156
10580Rye, NY 105802.9 mi26$106,161,796$3,911,750$4,083,146
10709Eastchester, NY 107093.8 mi4$3,814,024$899,750$953,506
10605White Plains, NY 106053.9 mi30$22,199,970$436,975$739,999
10805New Rochelle, NY 108054.5 mi29$9,995,575$222,250$344,675
10708Bronxville, NY 107085.1 mi74$53,916,696$347,000$728,604
10803Pelham, NY 108035.2 mi11$19,193,856$1,711,500$1,744,896
10553Mount Vernon, NY 105535.4 mi9$5,624,145$709,000$624,905
10710Yonkers, NY 107105.9 mi50$23,881,600$415,000$477,632
10550Mount Vernon, NY 105506.1 mi16$10,418,288$718,750$651,143
10464Bronx, NY 104646.7 mi20$13,416,700$654,470$670,835
10704Yonkers, NY 107046.9 mi40$18,128,160$303,097$453,204

Frequently Asked Questions

How many homes are for sale in MAMARONECK, NY 10543?

As of April 2026, there are 28 active listings in MAMARONECK, NY (zip code 10543), compared to 73 the prior year.

What is the median home price in MAMARONECK, NY 10543?

The median listing price in MAMARONECK, NY 10543 is $889,250 as of April 2026, a 4.2% increase from $853,000 the prior year.

How long do homes stay on the market in MAMARONECK, NY?

Homes in MAMARONECK, NY 10543 spend an average of 12 days on the market before going under contract, compared to 34 days the prior year.

Is it a seller's or buyer's market in MAMARONECK, NY 10543?

Based on current inventory and days-on-market data as of April 2026, MAMARONECK, NY 10543 is currently a Seller's Market. Inventory has tightened compared to last year, with 45 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 12 days on market compared to 34 days last year.

How much can I save on real estate commission in MAMARONECK, NY?

With SELL123.com's maximum 3% commission, sellers in MAMARONECK, NY 10543 save an estimated $17,785 compared to a typical 5% commission on the median listing price of $889,250. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.