Active

Price cut: $24.1K (8/11)

$814,900

21557 Lake St, Cassopolis, MI 49031

4beds

2,016sqft

$5,299/mo

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Single Family Residence

Built in 1970

8,276 Square Feet Lot

$788,000 Zestimate^®

$404/sqft

$-- HOA

What's special

Diamond lake waterfront propertySandy beach frontageFully furnished interiorsFully encapsulated crawl spaceUpdated kitchen and bathrooms

Now priced at just $814,900, this stunning 4-bedroom, 3-bath waterfront home on Diamond Bay delivers the ultimate combination of lake lifestyle and smart investment. Nestled on the shores of beautiful Diamond Lake in Cassopolis, MI, this move-in-ready gem offers true peace of mind with an updated kitchen and bathrooms, a fully encapsulated crawl space, and a lifetime structural warranty on the foundation. Step outside to your own sandy beach frontage, perfect for swimming, boating, and soaking up unforgettable lake days. Inside, spacious living areas and fully furnished interiors mean you can start living or start earning from day one. With a proven track record as a successful short-term rental, this Diamond Bay property offers exceptional income potential while still serving as the perfect family lake retreat. Whether you're searching for a weekend escape, a full-time lake home, or a high-performing vacation rental investment, this Diamond Lake waterfront property truly has it all.

88 days
1,397
66

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 3
Main level bedrooms: 4

Primary bedroom

Level: Main
Area: 252
Dimensions: 18.00 x 14.00

Bedroom 2

Level: Main
Area: 176
Dimensions: 16.00 x 11.00

Bedroom 3

Level: Main
Area: 140
Dimensions: 10.00 x 14.00

Bedroom 4

Level: Main
Area: 210
Dimensions: 15.00 x 14.00

Primary bathroom

Level: Main
Area: 150
Dimensions: 15.00 x 10.00

Bathroom 2

Level: Main
Area: 64
Dimensions: 8.00 x 8.00

Bathroom 3

Level: Main
Area: 45
Dimensions: 9.00 x 5.00

Dining room

Level: Main
Area: 117
Dimensions: 9.00 x 13.00

Kitchen

Level: Main
Area: 196
Dimensions: 14.00 x 14.00

Laundry

Level: Main
Area: 32
Dimensions: 8.00 x 4.00

Living room

Level: Main
Area: 289
Dimensions: 17.00 x 17.00

Heating

Forced Air

Cooling

Central Air

Appliances

Included: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Washer, Water Softener Owned
Laundry: Main Level

Features

Ceiling Fan(s), Eat-in Kitchen, Pantry
Flooring: Vinyl
Windows: Screens, Replacement, Window Treatments
Basement: Crawl Space
Number of fireplaces: 1
Fireplace features: Gas Log

Interior area

Total structure area: 2,016
Total interior livable area: 2,016 sqft

Property

Parking

Total spaces: 2
Parking features: Attached, Garage Door Opener
Garage spaces: 2

Features

Stories: 1
Fencing: Privacy
On waterfront: Yes
Waterfront features: Lake
Body of water: Diamond Lake

Lot

Size: 8,276 Square Feet
Dimensions: 75 x 115
Features: Cul-De-Sac

Details

Parcel number: 1401017001100
Zoning description: Residential

Construction

Type & style

Home type: SingleFamily
Architectural style: Ranch
Property subtype: Single Family Residence

Materials

Wood Siding
Roof: Metal

Condition

New construction: No
Year built: 1970

Utilities & green energy

Sewer: Public Sewer
Water: Public
Utilities for property: Natural Gas Available, Electricity Available, Cable Available, Natural Gas Connected

Community & HOA

HOA

Services included: None

Location

Region: Cassopolis

Financial & listing details

Price per square foot: $404/sqft
Tax assessed value: $333,600
Annual tax amount: $10,171
Date on market: 6/4/2026
Listing terms: Cash,Conventional
Electric utility on property: Yes
Road surface type: Paved

Estimated market value

$788,000

$749,000 - $827,000

$2,573/mo

Price history

Date	Event	Price
8/11/2026	Price change	$814,900-2.9%$404/sqft
Source: MichRIC #26027159 Report a problem
6/23/2026	Price change	$839,000-1.2%$416/sqft
Source: MichRIC #26027159 Report a problem
6/4/2026	Listed for sale	$849,000$421/sqft
Source: MichRIC #26027159 Report a problem
4/21/2026	Listing removed	$849,000$421/sqft
Source: MichRIC #26009936 Report a problem
3/26/2026	Listed for sale	$849,000$421/sqft
Source: MichRIC #26009936 Report a problem
3/17/2026	Contingent	$849,000$421/sqft
Source: MichRIC #26009936 Report a problem
3/16/2026	Listed for sale	$849,000+73.6%$421/sqft
Source: MichRIC #26009936 Report a problem
6/10/2021	Sold	$489,000+132.9%$243/sqft
Source: Public Record Report a problem
10/20/2014	Sold	$210,000-12.1%$104/sqft
Source: MichRIC #11025329 Report a problem
9/17/2014	Listed for sale	$239,000-6.3%$119/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
10/1/2013	Listing removed	$255,000$126/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
7/27/2012	Price change	$255,000-1.9%$126/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
6/25/2012	Price change	$259,900-5%$129/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
7/14/2011	Price change	$273,500-0.5%$136/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
6/9/2011	Price change	$275,000-5.1%$136/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
5/31/2011	Price change	$289,900-1.7%$144/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
5/16/2011	Listed for sale	$295,000+18%$146/sqft
Source: Loux & Hayden Realty #11025329 Report a problem
6/29/2004	Sold	$250,000$124/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$14,306 +54.3%	$333,600 -0.8%
2024	$9,270 +11.9%	$336,200 +38.2%
2023	$8,287	$243,300 +17.9%
2022	--	$206,400 +8.6%
2021	$2,894 -9.8%	$190,000 +7.5%
2020	$3,208	$176,800 +1.6%
2019	$3,208 +140.1%	$174,000 +11%
2018	$1,336 +2.1%	$156,700 -0.3%
2017	$1,309 -14.6%	$157,100 +10.1%
2016	$1,533	$142,700 +18.5%
2015	--	$120,400 -39.6%
2011	--	$199,500 -17%
2010	--	$240,300