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136 Old Post Office Road

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 RE/MAX of Boulder, Inc

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

MLS# IR1031323 —

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

The Building

Year Built:

1984
Construction Materials:

Adobe, Stucco, Frame
Building Area Total:

4085
Building Area Source:

Assessor
Structure Type:

House
Roof:

Membrane, Metal
Foundation Details:

Slab
Levels:

One
Basement:

false
Direction Faces:

South
Exterior Features:

Balcony, Dog Run
Patio And Porch Features:

Deck, Patio
Window Features:

Double Pane Windows, Skylight(s), Window Coverings
Security Features:

Smoke Detector(s)
Above Grade Finished Area:

4085
Property Attached:

false

Interior

Interior Features:

Eat-in Kitchen, Kitchen Island, Open Floorplan, Pantry, Walk-In Closet(s)
Flooring:

Tile, Wood
Fireplace Features:

Living Room, Primary Bedroom
Laundry Features:

In Unit

Room Dimensions

Living Area:

4085

Financial & Terms

Ownership:

Individual
Possession:

Closing/DOD

Location

Latitude:

40.02778
Longitude:

-105.40418

The Property

Property Type:

Residential
Property Subtype:

Single Family Residence
Parcel Number:

R0023356
Possible Use:

Residential
Zoning:

F
Lot Features:

Borders National Forest, Level, Meadow, Rock Outcropping, Rolling Slope, Sprinklers In Front
Lot Size Acres:

40.27
Lot Size SqFt:

1,754,161 Sqft
Exclusions:

Staging materials and Seller's personal possessions.
View:

Mountain(s)
Fencing:

Fenced, Partial
Horse:

true
Horse Amenities:

Loafing Shed, Pasture
Vegetation:

Grassed, Wooded
Road Responsibility:

Private Maintained Road
Road Frontage Type:

Private Road
Road Surface Type:

Gravel

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Annual Amount:

$8,598

Beds

Bedrooms Total:

3
Main Level Bedrooms:

3

Baths

Total Baths:

3
Full Baths:

2
Three Quarter Baths:

1
Main Level Baths:

3

The Listing

Virtual Tour URL Unbranded:

https://vimeo.com/1075008593?share=copy

Heating & Cooling

Heating:

Hot Water, Propane, Radiant

Utilities

Utilities:

Electricity Available, Internet Access (Wired)
Sewer:

Septic Tank
Sewer Tap:

No
Water Source:

Well

Appliances

Appliances:

Dishwasher, Disposal, Double Oven, Dryer, Microwave, Oven, Refrigerator, Trash Compactor, Washer

Schools

Elementary School:

Flatirons
Elementary School District:

Boulder Valley RE 2
Middle Or Junior School:

Casey
High School:

Boulder
High School District:

Boulder Valley RE 2

The Community

Subdivision Name:

Sugarloaf Area
Association:

false

Parking

Parking Total:

2
Parking Features:

Heated Garage, Oversized, RV Access/Parking
Garage 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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Bike Score®

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Air Pollution Index

Provided by ClearlyEnergy

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This house located in Sugarloaf, CO 80302 is currently for sale for $3,225,000. 136 Old Post Office Road is a 4,085 square foot house with 3 beds and 3 baths that has been on Estately for 17 days. This house is in the attendance area of Boulder High School, Flatirons Elementary School, and Casey Middle School.

Listing Courtesy of: RECOLORADO and RE/MAX of Boulder, Inc. Data displayed here has not been verified by Estately. Disclaimers