Residential · Active

3800 Plateau Road

Longmont, CO 80503

5 Beds · 4 Baths · 7,840 Sq Ft

$1,999,000

Single Family

Property Type

9.02 acres

Lot Size

1974

Year Built

$255

Price per Sq Ft

5

Parking Spaces

3817469

MLS #

About This Property

This incredible estate is being offered through a transparent, non-distressed luxury live auction --- Bidding to start from $1,999,000! --- https://liveauction.link/3800Plateau --- Live Auction Thursday, November 5th, 2026 at 1pm MT (No Buyer Premium) --- Set on 10 acres this exceptional 7,840-square-foot estate offers a rare combination of space, privacy and natural beauty. Originally built in 1974 with significant additions completed in 1991, the property features 5 bedrooms, 4 bathrooms, and a flowing floor plan designed to capture abundant natural light through expansive windows that showcase the surrounding views. For those who value a retreat from the "electromagnetic smog" of more densely developed areas, the Table Mountain "Acoustic Quite Zone" creates a distinctive setting for this estate. The grounds offer an idyllic Colorado lifestyle, with an orchard producing apples, pears, plums, and grapes.

A large barn is ready for use and providing excellent potential for equestrian pursuits. A recently renovated 700-square-foot cottage adds valuable flexibility and is currently used as a studio. With the appropriate land-use approval, the cottage may also offer potential as an accessory dwelling unit (ADU), making it an appealing option for guests, extended living arrangements, multigenerational living, or additional workspace. Recent improvements include repairs and updates to the stucco, exterior paint, trim, gutters, and leaf-filter system, along with work to the septic tank and sewage main.

Parking is plentiful, with a two-car attached garage plus eight additional surface parking spaces. With its stunning views, orchard, versatile outbuildings, renovated cottage, peaceful setting, this estate presents an opportunity to enjoy privacy, space, and tranquil while remaining conveniently positioned in the Longmont area. The property offers substantial future potential, with accompanying photos and videos showcasing renderings of the proposed remodel.

34 days on market

Listed by Ray Sage & Steve deGuzman · Orchard Brokerage LLC · Ray.Sage@Orchard.com,720-933-4729

Last updated: 10/21/2026 4:13 PM · Source: REcolorado®, MLS#: 3817469

Virtual Tour

Property Details

Key Details

Property Type Residential
Sub Type Single Family Residence
Status Active
Price per Sq Ft $255
Subdivision Foothills
MLS # 3817469
Days on Market 34
Bedrooms 5
Three-Quarter Baths 4

More Details

Year Built 1974
Lot Size (Sq Ft) 392,746
Acres 9.02
HOA No
Annual Taxes $7,968
State CO
County Boulder
Zoning RR

Interior

Interior Features Breakfast Bar, Built-in Features, Ceiling Fan(s), Eat-in Kitchen, Entrance Foyer, Pantry, Tile Counters, Vaulted Ceiling(s), Walk-In Closet(s), Primary Suite, Utility Sink
Heating Forced Air
Cooling Central Air
Flooring Carpet, Laminate, Tile
Fireplaces 2
Fireplace Features Basement, Living Room, Wood Burning
Appliances Dishwasher, Disposal, Double Oven, Microwave, Refrigerator

Exterior & Parking

Exterior Features Balcony
Garage Yes
Garage Spaces 5
Parking Features Concrete, Driveway, Heated Garage, Lighted, Storage, 220 Volts, Dry Walled, Exterior Access Door, Finished, Insulated
Roof Composition

Building & Lot

Basement Finished
Lot Features Corner Lot, Level, Many Trees, Rock Outcropping, Suitable For Grazing
Architectural Style Contemporary
Levels Two
Construction Concrete, Frame, Stucco
Sewer Septic Tank
Water Source Public, Well

Terms & Other

Senior Community No
Special Conditions None Known

Location

Price History

DateEventPrice
9/19/2026 Listed for sale
Source: REcolorado® #3817469
$1,999,000 $255/sqft

Based on information submitted to the MLS GRID as of October 23, 2026 at 12:04 AM MDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Listing information last updated October 21, 2026 at 4:13 PM.

Connect with an Agent

Preferred contact method (optional)

By selecting Text you agree to receive text messages from Mont Haus International Realty. Message & data rates may apply; frequency varies; reply STOP to opt out.