This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
1/64
$1,400,000
This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.
1/64
Property Description
This amazing estate could be YOUR new lake home! The estate has an unobstructed view of beautiful, spring-fed Crystal Lake which offers swimming, sandy beaches & motorized boating. The estate has full lake rights to the 4 private beaches, parks & marinas on the lake. Bring your boat & water toys! The estate includes the primary house with 5 BRs, 6.2 BAs, a coach house with a finished 2nd floor office & full bath, large indoor & outdoor pools, a sauna, & 5 car garage. It's on the largest lot in the neighborhood (1.55 acres), which has been professionally landscaped & meticulously maintained, with a waterfall & a beautiful pond with aquatic plants, multiple stone patios, 2 firepits & a big outdoor pool. This estate is made for entertaining, fun family adventures & relaxing in your own luxurious haven. The estate boasts grand entertaining spaces, resort amenities & timeless charm. Rooms in the front of the house enjoy gorgeous lake views, while rooms on the back of the house have great views of the waterfall, landscaped stream, pond & gardens, the outdoor pool, stone patios & a huge yard for family games & activities. You can entertain groups of all sizes inside the main house! Enter your new home through custom, arched double doors into the Great Rm, with a floor-to-ceiling stone fireplace, hardwood floors & spectacular lake views. Enjoy dining in the spacious dining room, or relaxing in the very large, custom-paneled living room, also with a big fireplace. An impressive, large, first floor recreation area is an entertainer's paradise & a private, peaceful retreat for the new lucky owners of this estate. It includes a large, slate-topped bar that seats 8 comfortably, 2 wine refrigerators, bar sink, plenty of bar cabinetry & a large sitting area overlooking the beautiful backyard. Completing this recreation paradise is a 24' long indoor pool & a sauna. The Family Room adds more entertaining & relaxing space, with a powder room, a fun circular staircase to the 2nd floor, and great views of the backyard. The Family Room opens to the Kitchen, with an arched pass-through & snack bar, generous Eating Area & walk-in Pantry. The Kitchen features a breakfast bar that seats 4, an island with gas cooktop, large double sinks plus a bar sink, a built-in planning desk & stainless appliances. The 2nd floor includes an amazing Primary Bedroom Suite, complete with a large sitting area looking out over the lake & an impressive Primary Spa Bathroom. The Bathroom features an over-sized, glass, step-in shower with an octopus overhead shower, 8 on-wall shower heads, a hand-held shower & 2 shower seats. The Spa Bath also includes a soaking tub, closeted commode, built-in armoire & 2 separate sinks, one of which is in a big walk-in closet with a sit-down vanity & California Closet organizers. The 2nd floor also includes 2 more very generously sized bedrooms & a beautiful office/library with walls of built-in bookcases and a period mantle surrounding a decorative fireplace. Create a cozy ambience in this room with some candles in the fireplace! If you & your family enjoy watching movies, you will love the big media room! It has an en-suite full bath, a walk-in closet with CA Closet organizers & even a popcorn machine! This room includes a full projection system, surround sound & large on-wall screen. The 3rd floor boasts a very large Bonus Room, perfect for games, homework, billiards or quiet time. The Bonus Room is adjacent to a large BR with a full BA, walk-in closet & lots of storage. The finished basement features a large BR, full BA, big exercise room & huge laundry room with space for crafts, etc. This estate is in an ideal location facing Crystal Lake (nothing can be built in front of it), is a few blocks from Crystal Lake Country Club & a short walk to South elementary school. It offers easy access to downtown Crystal Lake & the Metra train. Don't wait! See it today!
Full Property Details
Full Property Details for 691 Lake Ave
General
- Price: $1,400,000
- Taxes: $27,645 (2024)
- Status: Active
- Type: Single Family
- Source: MRED
- MLS ID: 12410735
- Updated: 9/25/2025
- Added to Site: 223 day(s) ago
Rental Information
- Complex Features: Park, Lake, Water Rights, Curbs, Sidewalks, Street Lights, Street Paved
Interior
- Basement: Finished, R
- Interior Features: Sauna, Wet Bar, Built-in Features, Walk-In Closet(s), Bookcases, Separate Dining Room, Paneling, Pantry, Workshop
- Fireplace: Yes
- Number of Fireplaces: 2
- Fireplace(s): Living Room, Great Room, Wood-Burning, Attached Fireplace Doors/Screen, Gas Log, Gas Starter
- Appliances: Double Oven, Microwave, Dishwasher, Refrigerator, Washer, Dryer, Disposal, Stainless Steel Appliance(s), Wine Refrigerator, Range Hood, Water Softener Owned, Gas Cooktop, Humidifier
- Flooring: Hardwood, Carpet
Rooms
Bathrooms
- Total Bathrooms: 8
- Full Bathrooms: 6
- Half Bathrooms: 2
- Basement Baths: Yes
Bedrooms
- Total Bedrooms: 5
- Bedrooms(Blw Grade): 1
Additional Information
- Equipment: Water Softener (Owned), Cable TV, Security System, Carbon Monoxide Detectors, Ceiling Fan(s), Sump Pump, Backup Sump Pump
Exterior
- Exterior Features: Outdoor Grill, Fire Pit
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 5
- Total Spaces: 5
- Parking Features: Asphalt, Brick Driveway, Garage Door Opener, Heated Garage, On Site, Garage Owned, Attached, Garage
- Parking On-Site: Yes
Location
- Area: Crystal Lake / Lakewood / Prairie Grove
- County: McHenry
- Township: Algonquin
- Driving Directions: Rt 14 to Dole Ave which turns into Lakeshore Drive, then Lake Ave to property.
School Information
- School District: 47
- Elem School District: 47
- Midd School District: 47
- High School District: 155
- Elementary School: South Elementary School
- Middle School: Richard F Bernotas Middle School
- High School: Crystal Lake Central High School
- Private School: Crystal Lake Central High School
Community
- Assoc. Fees Include: None
Heating & Cooling
- Cooling Type: Central Air Conditioning, Window Unit(s), Zoned
- Heating Type: Natural Gas, Forced Air, Sep Heating Systems - 2+, Zoned
Utilities
- Sewer: Public Sewer
- Water: Well
Structural Information
- Architectural Info: Traditional
- Architectural Style: Traditional
- Model: CUSTOM LUXURY HOME
- Construction: Shake Siding
- Exterior Const.: Shake Siding
- Basement: Yes
- Basement Desc.: Finished, Rec/Family Area, Sleeping Area, Storage Space, Daylight, Full
- Foundation: Concrete Perimeter
- Roof: Asphalt
- Windows: Screens, Skylight(s)
- Doors: Storm Door(s), Sliding Glass Door(s)
- Sub-Flooring: Hardwood, Carpet
- Square Feet: 9,467
- Sq. Ft. Source: Other
- Year Built: 1922
- Built Before 1978: Yes
Manufactured Home
- Model: CUSTOM LUXURY HOME
Additional Structures
- Other Structures: Workshop, Guest House, Storage
Lot Features
- Lot Size (Acres): 1.55
- Lot Size Range: 1.0 to 1.99 Acres
- Lot Dimensions: 103 x 110 x 95 x 167 x 98 x 138 x 115 x 130 x 177 x 121
- Fence: Yes
- Lot Features: Irregular Lot, Landscaped, Wooded, Mature Trees, Garden, Views
- Fencing (Description): Fenced, Wood
Water Features
- Water Front: Yes
- Water Front Desc.: Lake Front, Pond, Creek, Waterfront
- Water Front View: Front of Property
- Lake Front: Yes
Financial Considerations
- Parking Included: Yes
- Assessment Year: 1922
- Tax Amount: $27,645
- Tax Year: 2024
- Pays Sewer: Public Sewer
Disclosures and Reports
- Ownership: Fee Simple
- Property ID: 1906329009
Listed by Baird & Warner
Get Pre-Approved Today
Get a Great Insurance Rate
Schools
Schools serving 691 Lake Ave
School Districts:Crystal Lake Community Consolidated School District 47, Community High School District 155
| Name | Grades | Distance |
|---|---|---|
South Elementary School, Crystal Lake, IL 601 Golf Road, Crystal Lake, IL 60014 | K-5 | 0.3 mi |
Richard F Bernotas Middle School 170 North Oak Street, Crystal Lake, IL 60014 | 6-8 | 1.2 mi |
Crystal Lake Central High School 45 West Franklin Street, Crystal Lake, IL 60014 | 9-12 | 1.3 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 691 Lake Ave
Date
Details
Price
Change
Source
6/03/2025
Listed
$1,400,000
129.51%
MLS
12/23/2002
Sold
$610,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 691 Lake Ave
Year
Property Taxes
Change
Tax Assessment
Change
2024
$25,105
3%
$312,545
12%
2023
$24,265
100%
$279,533
14%
2022
-100%
$245,087
7%
2021
$20,989
—
$228,327
4%
2021
$20,989
3%
$220,244
4%
2019
$20,445
-1%
$210,800
1%
2018
$20,600
—
$208,272
6%
2017
$20,532
2%
$196,206
7%
2016
$20,076
2%
$184,023
7%
2015
$19,773
3%
$172,597
5%
2014
$19,255
—
$164,425
-4%
2013
$19,178
3%
$171,669
-6%
2012
$18,677
—
$182,997
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 691 Lake Ave
691 Lake Avenue, Crystal Lake, IL 60014 (MLS# 12410735) is a Single Family property with 5 bedrooms, 6 full bathrooms and 2 partial bathrooms. 691 Lake Avenue is currently listed for $1,400,000 and was received on July 12, 2025. Want to learn more about 691 Lake Avenue? Do you have questions about finding other Single Family real estate for sale in Crystal Lake? You can browse all Crystal Lake real estate or contact a Coldwell Banker agent to request more information.

