1221 Red Ash Lane Boulder, CO ^$ 3,699,998

1221 Red Ash Lane

^$ 3,699,998

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1221 Red Ash Lane

Boulder, CO, 80303

^$ 3,699,998

Bedrooms4 Baths4.0 Sq 3,676

Monthly Estimate*

^$ 25,555

Listed by Compass - Boulder

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Single Family Home for sale in Boulder, CO

for $3,699,998 with 4 bedrooms and 4 full baths. This 3,676 square foot home was built in 1976 on a lot size of 4.58.

A stunning modern estate where elevated design and breathtaking views meet on 4.58 acres that's extremely private yet convenient for everything! Hidden in a small pocket of upscale custom homes and bordering open space on two sides, the property offers unprecedented privacy that's truly hard to come by! Framed with jaw-dropping views of mountains, European and handcrafted cabinets and an astonishing large lagoon scene island, the chef's kitchen brings function and ambience of a star restaurant right to the home! Patio and deck on East & West, ample space awaits outdoor dining, bird watching & splendid sunsets! The 800+ SF primary is a luxury private retreat with unobstructed mountain & lake views, sitting room, curb-less shower and spa bath. Views in every room, nature inspired design - floating vanity top crafted from old tree, delightful wine room, custom lighting - illuminates the space with an organic, modern and playful vibe. The home is built of insulated concrete form (ICF) which is rare but increasingly sought after in custom builds where comfort, energy efficiency, disaster resistance, and long-term value matter. The property is living proof of superior fire resistance surviving the Marshall Fire which destroyed 1,000+ homes. A full remodel was completed in 2020, and expanded and redesigned, almost everything has been updated including HVAC and septic. Dreaming of a homestead? It's done for you: asparagus, fruit trees & pollinator gardens meander through the land. Agricultural zoning, horses/animals are permitted by right. 600+ SF bonus space not included in the listing size - with great Southern exposure and used as a studio and storage currently - ready for your touch to next level luxury: conceptual digital rendering of a wellness spa is available. Biking path at doorstep, hiking, shopping and downtown Boulder and Louisville are just 3-10 mins away. Welcome home, city dwellers and nature lovers!

Single Family Active

Price

^$ 3,699,998

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 11,408

Style

Contemporary

Lot Size

4.58

Year Built

1976

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1068314

Features

General

Living Area 3676

Sewer Septic Tank

Heating Forced Air

Cooling Ceiling Fan(s) Central Air

Utilities Cable Available Electricity Available Internet Access (Wired) Natural Gas Available

Roof Membrane Wood

Appliances Bar Fridge Dishwasher Disposal Dryer Microwave Oven Refrigerator Washer

Zoning A

Garage Spaces 2

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Construction Materials Concrete Stone Stucco

Year Built 1976

View City Mountain(s) Plains

Levels Two

Property Subtype Single Family Residence

Parcel Number R0036498

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Subdivision Name South Central

Facing Direction East

Possible Use Residential

Full Baths 4

Directions Heading west on Marshall Road turn right on Red Ash Ln. Go past Marshall Dr and house is on the left. (Use visitor parking area and keep gates shut at all times).

High School Monarch

City Boulder

Senior Community Y/N N

High School District Boulder Valley RE 2

Lot Size Square Feet 199512

Elementary School Monarch K-8

Property Attached Y/N N

Tax Annual Amount 11408

Middle/Junior High School Monarch K-8

Virtual Tour https://tours.spacecrafting.com/bvideo-4hrtbg

Standard Status Active

Elementary School District Boulder Valley RE 2

Freehold IDX

Interior

Interior Amenities Eat-in Kitchen Five Piece Bath In-Law Floorplan Kitchen Island Open Floorplan Pantry Primary Suite Walk-In Closet(s) Wet Bar

Basement Full Sump Pump

Flooring Wood

Fireplace Features Basement Electric Gas Living Room

Window Features Double Pane Windows Skylight(s)

Half Baths 0

3/4 Baths 0

Laundry Features In Unit

Total Bedrooms 4

Total Baths 4

Exterior

Exterior Amenities Balcony

Fencing Fenced

Parking Features Oversized RV Access/Parking

Lot Features Level Meadow Open Lot

Water Source Well

Lot Size Acres 4.58

* Excluded Features

List By

Compass - Boulder

Broker

3038091717

Contact

Affordability Calculator

$26,506

Per Month

Monthly Principal & Interest: $25,555
Monthly Property Taxes: $951
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Boulder, CO

Average List Price ^$2,202,057

Percent of Sale Price 40%

About Boulder, CO

102,151 Population

6% Since 2002

^$65,436 Median Income

31.88 Median Age

18% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

3043378 Elementary School

1956482 Middle School

Monarch High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
9/9/2026	$3,699,998		Listed Price

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1221 Red Ash Lane, Boulder, CO, 80303 is a Single Family Home for sale at $3,699,998 with 3,676 sqft and a lot size of 4.58. 1221 Red Ash Lane has 4 bedrooms, 4.0 baths, and was built in 1976. The property's zip code is 80303 which is in Boulder, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

The data relating to real estate on this web site comes in part from the Internet Data eXchange (IDX) Program of the REcolorado. Real estate listings held by firms other than Weichert Realtors are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

The information being provided is 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.

Data is updated as of 10/10/2026.

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1221 Red Ash Lane

Single Family Home for sale in Boulder, CO

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