Grosse Ile Home Prices: 10 Years of MLS Sale Data (2016-2026)

What do homes on Grosse Ile actually sell for? Not the Zestimate, not a portal's modeled guess — the real closed numbers. I pulled the median sale price for every single month from January 2016 through July 2026 directly from Realcomp MLS, the multiple listing service Grosse Ile brokers actually transact on. Here is the full dataset, what it shows, and what it means if you own a home on the island. (Source for every figure on this page: Realcomp MLS, Grosse Ile Township closed residential sales. Pulled August 20, 2026.)

KEY TAKEAWAYS FROM 10 YEARS OF DATA

• A decade of appreciation: the January median rose from $247,000 in 2016 to $465,000 in 2026 — an 88% increase.

• All-time record: May 2026 posted the highest monthly median in the dataset — $592,500.

• 2026 so far is running historically strong: monthly medians between $390,000 and $592,500.

• Seasonality is real: averaged across 2021-2025, September ($445,550 avg median) and March ($445,000) are the strongest months; February ($351,800) and August ($369,300) the softest.

• Low-volume warning: with roughly 8-12 sales a month, single months whipsaw. January medians alone went $275,000 (2023), $395,000 (2024), $535,000 (2025), $465,000 (2026). Never price a home off one month's headline.

YEAR BY YEAR: GROSSE ILE MEDIAN SALE PRICE

• 2016 — January $247,000; monthly medians ranged $157,500 (Apr) to $363,000 (Oct)

• 2017 — January $234,900; ranged $222,250 (Apr) to $410,000 (Nov)

• 2018 — January $216,000; ranged $184,500 (Feb) to $394,500 (Aug)

• 2019 — January $234,750; ranged $234,750 (Jan) to $392,500 (Feb)

• 2020 — January $275,500; ranged $180,000 (May) to $428,500 (Oct)

• 2021 — January $310,000; ranged $310,000 (Jan) to $475,000 (Jul)

• 2022 — January $507,500; ranged $365,000 (Aug) to $507,500 (Jan)

• 2023 — January $275,000; ranged $275,000 (Jan) to $497,500 (Mar)

• 2024 — January $395,000; ranged $355,000 (Aug) to $512,000 (Apr)

• 2025 — January $535,000; ranged $308,000 (Feb) to $535,000 (Jan)

• 2026 — January $465,000; through July, ranged $390,000 (Jun) to a record $592,500 (May)

2026 MONTH BY MONTH

• January: $465,000

• February: $403,000

• March: $423,000

• April: $447,500

• May: $592,500 (all-time monthly record)

• June: $390,000

• July: $468,000

WHAT THIS MEANS IF YOU'RE SELLING

Timing matters less than pricing, but it still matters. The data says late-winter listings that close in March, and late-summer listings that close in September, historically land in the strongest months. February and August closings run softest — which usually means going under contract in December-January or June-July.

The median is a compass, not a price. On an island where one waterfront closing can move the monthly number by six figures, your home's value comes from price-per-square-foot against truly comparable sales — same tier (open-water, canal-front, or interior), same condition band. That is exactly how I build every valuation.

Want to know where your home lands in this data? I'll run your address against current comparable sales and give you a specific, defensible number — no obligation. Call or text (734) 642-6656, or email troy@troypuste.com.

Method note: figures are median sale prices of closed residential transactions recorded in Realcomp MLS for Grosse Ile Township, retrieved August 20, 2026 by Troy Puste, licensed Michigan real estate broker. Data updated as new months close.