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136 Old Post Office Rd

Boulder, CO 80302

3 beds
3 baths
4,085 sqft
~40 acre lot
$789 per sqft
1984 build
– on site

Step into the enchanting beauty of Sweethome Ranch, a breathtaking private mountain estate spanning 40 fully fenced acres. Flanked on two sides by BLM land and National Forest, this rare retreat is just minutes from Downtown Boulder yet feels like a secluded paradise. Wander through vibrant meadows of wildflowers, towering Douglas Fir and Blue Spruce, and stunning Aspen groves, all nourished by perennial springs that weave through the property. The main house, a masterpiece of Pueblo-style architecture, features traditional adobe brick and plaster walls, magnificent log beams, and exquisite Saltillo tile flooring, with distinct elements sourced from New Mexico. At the heart of the home is a welcoming main living area that seamlessly blends a cozy family room, formal dining space, and a fireside living room, all surrounding the chef's kitchen. This culinary haven showcases custom blue beetle kill pine cabinetry, top-tier appliances, and a grand central island with butcher block counters. The primary suite is a sanctuary of comfort, boasting an ensuite bath with a walk-in shower, soaking tub, built-in storage, and a private sitting room. Down the hall, discover a charming library with built-in bookshelves, a guest bedroom, a versatile study that can serve as a non-conforming bedroom, and a spacious mudroom. Additional highlights include a wine cellar closet, oversized pantry, laundry room, and more. Designed for exceptional energy efficiency, the adobe construction is complemented by solar hot water in-floor heating and a robust 9.44 kW solar PV system. This estate also offers a detached two-car garage with an upper-level studio, a 1600 square foot barn featuring a loft and a full in-law apartment, loafing shed, and usable level pasture areas. Sweethome Ranch is a rare find, exuding character, history, and a timeless sense of tranquility. Experience the magic of this extraordinary mountain retreat.

Listing courtesy of IRES

Last checked: Checking… • Last updated Apr 30, 2025 •

MLS# 1031323 —

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

The Building

Year Built:

1984
New Construction:

false
Construction Materials:

Wood/Frame
Architectural Style:

Ranch
Total SqFt:

4,085 Sqft
Building Area Total:

4085
Roof:

Metal
Foundation Details:

Slab
Levels:

One
Basement:

None
Stories:

1
Direction Faces:

South
Window Features:

Window Coverings
Patio And Porch Features:

Patio
Green Energy Efficient:

Southern Exposure
Above Grade Finished Area:

4085

Interior

Interior Features:

Study Area
Flooring:

Wood Floors
Fireplace:

true
Fireplace Features:

2+ Fireplaces
Living Room Level:

Main
Living Room Features:

Tile Floor
Kitchen Level:

Main
Kitchen Features:

Tile Floor
Dining Room Level:

Main
Dining Room Features:

Tile Floor
Family Room Level:

Main
Family Room Features:

Tile Floor
Laundry Features:

Sink

Room Dimensions

Living Area:

4085
Study Length:

13
Living Area Units:

Square Feet
Living Area Source:

Assessor
Main Floor SqFt:

4085
Living Room Area:

336
Living Room Length:

16
Living Room Width:

21
Kitchen Length:

17
Kitchen Area:

255
Kitchen Width:

15
Dining Room Area:

200
Dining Room Length:

10
Dining Room Width:

20
Family Room Area:

200
Family Room Length:

10
Family Room Width:

20
Master Bedroom Area:

270
Master Bedroom Width:

15
Master Bedroom Length:

18
Bedroom 2 Area:

210
Bedroom 2 Length:

15
Bedroom 3 Length:

17
Bedroom 2 Width:

14
Bedroom 3 Area:

170
Bedroom 3 Width:

10
Laundry Room Length:

11
Laundry Room Width:

6

Financial & Terms

Listing Terms:

Cash

Location

Directions:

Boulder Canyon to Sugarloaf Road to Old Post Office Road. Turn right on Old Post Office Road then right at the third driveway road marked with the address on small white street sign. Follow to property. Google Maps works well for this property. Main home is past barn.
Coordinates:

-105.40418, 40.02778
Latitude:

40.02778
Longitude:

-105.40418

The Property

Property Type:

Residential
Property Subtype:

Residential-Detached
Parcel Number:

R0023356
Lot Features:

Lawn Sprinkler System
Lot Size Acres:

40.27
Lot Size SqFt:

1,754,161 Sqft
Lot Size Area:

1754161
Lot Size Units:

Square Feet
Zoning:

F
View:

Mountain(s)
Current Use:

Horses
Possible Use:

Single Family
Exclusions:

Staging materials and Seller's personal possessions.
Horse:

true
Horse Amenities:

Barn with 3+ Stalls
Fencing:

Partial
Other Structures:

Kennel/Dog Run
Exterior Features:

Balcony
Waterfront:

false
Road Frontage Type:

Priv Rd up to County Standards
Road Surface Type:

Gravel
Has Water Rights:

No

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Annual Amount:

$8,598

Beds

Bedrooms Total:

3
Bedroom 2 Level:

Main
Bedroom 2 Features:

Tile Floor
Bedroom 3 Level:

Main
Bedroom 3 Features:

Wood Floor
Master Bedroom Level:

Main
Master Bedroom Features:

Wood Floor

Baths

Total Baths:

3
Three Quarter Baths:

1
Full Baths:

2
Master Bath Features:

Full Primary Bath, Tub+Shower Primary, Luxury Features Primary Bath, Bidet

The Listing

Virtual Tour URL Unbranded:

https://vimeo.com/1075008593?share=copy
Special Listing Conditions:

Private Owner

Heating & Cooling

Heating:

Hot Water
Heating:

true

Utilities

Utilities:

Electricity Available
Electric:

Electric, Xcel
Sewer:

Septic
Water Source:

Well, Well
Power Production Type:

Photovoltaics

Appliances

Appliances:

Electric Range/Oven

Schools

Elementary School:

Flatirons
Middle School:

Casey
High School:

Boulder
High School District:

Boulder Valley Dist RE2

The Community

Association:

false
Subdivision Name:

Sugarloaf Area
Spa:

false
Senior Community:

false

Parking

Parking Features:

Garage Door Opener
Garage Spaces:

2
Garage:

true
Garage SqFt:

780 Sqft
Garage Type:

Detached
Attached Garage:

false
Covered Spaces:

2

Monthly cost estimate

Asking price

$3,225,000

Expense	Monthly cost
Mortgage	$17,268
Taxes	$716
Insurance	$886
Utilities	$161 See report
Total	$19,031/mo.^*
	^*This is an estimate

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Max Internet Speed

Verizon 5G Home Internet

Provided by BroadbandNow®

Sale history

Date	Event	Source	Price	% Change
4/17/25 Apr 17, 2025	Listed / Active	IRES	$3,225,000

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This house located in Sugarloaf, CO 80302 is currently for sale for $3,225,000. 136 Old Post Office Rd is a 4,085 square foot house with 3 beds and 3 baths that has been on Estately for 15 days. This house is in the attendance area of Boulder High School, Flatirons Elementary School, and Casey Middle 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