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15137 E County Line Rd

Longmont, CO 80504

3 beds
4 baths
3,869 sqft
~82 acre lot
$930 per sqft
1986 build
– on site

Commanding 80 acres of prime Boulder County land, this extraordinary estate offers sweeping, unobstructed views of the Front Range and Rocky Mountains from every corner of the property. At the heart of it all is a fully remodeled custom home, thoughtfully reimagined inside and out between 2015 and 2018 to elevate both comfort and style. Nearly 300 side-dump truckloads of soil were expertly moved from the lake in 2015 to shape the dramatic landscape berms that now frame the home-creating a sense of privacy while enhancing the stunning visual backdrop. That same year, a sprawling covered deck was constructed to extend the living space outdoors. Designed for year-round enjoyment, it features a motorized awning for effortless transitions between sun, shade-making it the perfect setting to relax or entertain against a Rocky Mountain backdrop. Inside, the gourmet kitchen was completely renovated with custom cherry cabinetry and rich leathered granite countertops, blending elegance with functionality. The primary bathroom was also fully reimagined, and the home's interior was transformed with reconfigured walls, new flooring throughout, designer lighting, and custom window treatments. The lower level is a versatile space ideal for multi-generational living or extended guest stays. It includes a full kitchen, a walk-in pantry, walk-in closet, new washer and dryer, a spacious open floor plan, and a luxurious bathroom featuring a Jacuzzi tub. Designed with both comfort and utility in mind, the property includes a fully climate-controlled, eight-run dog kennel with private outdoor access-ideal for breeders, trainers, boarding professionals, or your own favorite furry best friend. Water rights include 18 shares of New Ish, plus two domestic water taps. Farm equipment is included and features a Kabota tractor, a Honda Pioneer 700 UTV, and a riding lawnmower-ensuring you're well-equipped to care for the land.

Listing courtesy of IRES

Last checked: Checking… • Last updated Jul 11, 2025 •

MLS# 1038736 —

This home is listed in more than one place. See it here.

The Building

Year Built:

1986
New Construction:

false
Construction Materials:

Wood/Frame
Architectural Style:

Contemporary/Modern
Total SqFt:

5,184 Sqft
Building Area Total:

2702
Roof:

Composition
Levels:

One
Basement:

Full
Stories:

1
Direction Faces:

West
Window Features:

Window Coverings
Patio And Porch Features:

Deck
Door Features:

6-Panel Doors
Accessibility Features:

Level Drive
Above Grade Finished Area:

2702
Below Grade Finished Area:

2482

Interior

Interior Features:

Study Area
Flooring:

Wood Floors
Fireplace:

true
Fireplace Features:

Gas
Living Room Level:

Main
Living Room Features:

Wood Floor
Kitchen Level:

Main
Kitchen Features:

Ceramic Tile Floor
Dining Room Level:

Main
Dining Room Features:

Ceramic Tile Floor
Family Room Level:

Main
Family Room Features:

Wood Floor
Laundry Features:

Washer/Dryer Hookups

Room Dimensions

Living Area:

3869
Study Length:

13
Living Area Units:

Square Feet
Living Area Source:

Other
Main Floor SqFt:

2702
Living Room Area:

540
Living Room Length:

20
Living Room Width:

27
Kitchen Length:

13
Kitchen Area:

234
Kitchen Width:

18
Dining Room Area:

100
Dining Room Length:

10
Dining Room Width:

10
Family Room Area:

169
Family Room Length:

13
Family Room Width:

13
Rec Room Length:

18
Master Bedroom Area:

221
Master Bedroom Width:

17
Master Bedroom Length:

13
Bedroom 2 Area:

156
Bedroom 2 Length:

12
Bedroom 3 Length:

12
Bedroom 2 Width:

13
Bedroom 3 Area:

144
Bedroom 3 Width:

12
Laundry Room Length:

6
Laundry Room Width:

3

Financial & Terms

Listing Terms:

Cash

Location

Directions:

From Hwy 66 and East County Line Rd, go north approximately 3.6 miles. Property is on the left.
Coordinates:

-105.058409, 40.249346
Latitude:

40.249346
Longitude:

-105.058409

The Property

Property Type:

Residential
Property Subtype:

Residential-Detached
Parcel Number:

R0099543
Lot Features:

Lawn Sprinkler System
Lot Size Acres:

81.96
Lot Size SqFt:

3,570,178 Sqft
Lot Size Area:

3570178
Lot Size Units:

Square Feet
Zoning:

AG
View:

Mountain(s)
Current Use:

Horses
Possible Use:

Single Family
Exclusions:

Sellers' Personal Property
Horse:

true
Horse Amenities:

Pasture
Fencing:

Partial
Other Structures:

Kennel/Dog Run
Waterfront:

false
Waterfront Features:

Abuts Pond/Lake
Road Surface Type:

Paved
Has Water Rights:

No

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Annual Amount:

$6,374

Beds

Bedrooms Total:

3
Bedroom 2 Level:

Main
Bedroom 2 Features:

Carpet
Bedroom 3 Level:

Main
Bedroom 3 Features:

Carpet
Master Bedroom Level:

Main
Master Bedroom Features:

Carpet

Baths

Total Baths:

4
Full Baths:

3
Half Baths:

1
Master Bath Features:

5 Piece Primary Bath

The Listing

Virtual Tour URL Unbranded:

https://realvideotour.com/vty2025-15137
Special Listing Conditions:

Private Owner

Heating & Cooling

Heating:

Forced Air
Heating:

true
Cooling:

Whole House Fan
Cooling:

true

Utilities

Utilities:

Natural Gas Available
Gas:

Natural Gas, Agfinity
Electric:

Electric, Poudre Valley
Sewer:

Septic
Water Source:

District Water, Longs Peak Water Dis

Appliances

Appliances:

Gas Range/Oven

Schools

Elementary School:

Mead
Middle School:

Mead
High School:

Mead
High School District:

ST Vrain Dist RE 1J

The Community

Association:

false
Subdivision Name:

None
Spa:

false
Senior Community:

false

Parking

Parking Features:

Garage Door Opener
Garage Spaces:

3
Garage:

true
Garage SqFt:

590 Sqft
Garage Type:

Attached
Attached Garage:

true
Covered Spaces:

3

Monthly cost estimate

Asking price

$3,600,000

Expense	Monthly cost
Mortgage	$19,276
Taxes	$531
Insurance	$1,680
Utilities	$183 See report
Total	$21,670/mo.^*
	^*This is an estimate

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Air Pollution Index

Provided by ClearlyEnergy

Sale history

Date	Event	Source	Price	% Change
7/9/25 Jul 9, 2025	Listed / Active	IRES	$3,600,000

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This house located in CO 80504 is currently for sale for $3,600,000. 15137 E County Line Rd is a 3,869 square foot house with 3 beds and 4 baths that has been on Estately for 3 days. This house is in the attendance area of Mead High School, Mead Middle School, and Mead Elementary School.

Listing Courtesy of: IRES

TERMS OF USE: listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Information deemed reliable but not guaranteed by the MLS