285 31st Street Boulder, CO ^$ 1,000,000

285 31st Street

^$ 1,000,000

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285 31st Street

Boulder, CO, 80305

^$ 1,000,000

Bedrooms3 Baths2.0 Sq 1,330

Monthly Estimate*

^$ 6,157

Listed by RE/MAX of Boulder, Inc

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Single Family Home for sale in Boulder, CO

for $1,000,000 with 3 bedrooms and 2 full baths. This 1,330 square foot home was built in 1955 on a lot size of 0.17.

Set on a quiet, tree-lined street in the heart of South Boulder, this beautifully reimagined 1955 ranch blends high-end modern design with timeless character-offering exceptional curb appeal and true turnkey living.With 1,330 sq ft of thoughtfully designed living spaces, this 3-bedroom, 2-bath home was fully expanded and remodeled in 2018 with meticulous attention to detail. Vaulted ceilings and hardwood floors create a bright, open feel, while the gourmet kitchen and spa-inspired baths feature custom tile, premium fixtures, and handcrafted cabinetry. Distinctive elements-including structural steel accents and custom metal railings-add a refined architectural edge.The exterior features cedar and stucco siding (2018), new concrete driveway, and new roof (2020). Enjoy Colorado living from the covered post-and-beam front porch or relax in the private backyard oasis with cedar pergola, stone patio, hot tub, and fully hardscaped grounds featuring sandstone and Pennsylvania bluestone, complete with mature landscaping and automated irrigation.Two versatile outbuildings add significant value: a 220 sq ft heated garage/workshop with 220V power, and a 120 sq ft craftsman-built shed with power-ideal for office, studio, or gear storage.Proven 7-year Airbnb history generated $80K in 2025 (144 days, $555 avg/night), offering strong income potential. Included stamped plans for a pop-top addition provide a rare opportunity to nearly double the square footage. plans are a ($20K value). A truly distinctive property offering lifestyle, craftsmanship, income potential, and Flatiron views in one of SOBO's most desirable neighborhoods.

Single Family Pending

Price

^$ 1,000,000

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 4,509

Style

Contemporary

Lot Size

0.17

Year Built

1955

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1057269

Features

Interior

Interior Amenities Eat-in Kitchen Open Floorplan Vaulted Ceiling(s)

Basement Crawl Space

Flooring Wood

Basement (Y/N) N

Window Features Window Coverings

Above Grade Finished Area 1330

Half Baths 0

3/4 Baths 1

Total Bedrooms 3

Below Grade Finished Area 0

Main Level Bedrooms 3

Main Level Bathrooms 2

Total Baths 2

General

Sewer Public Sewer

Heating Forced Air

Cooling Central Air

Utilities Electricity Available Internet Access (Wired) Natural Gas Available

Possession Close Plus 3 Days

Roof Composition Membrane

Appliances Bar Fridge Dishwasher Disposal Dryer Oven Refrigerator Washer

Zoning RES

Garage Spaces 1

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Security Features Smoke Detector(s)

Construction Materials Cedar Stucco

Exclusions See if your submitting an offer in the docs tab for details

Year Built 1955

View Mountain(s)

Levels One

Property Subtype Single Family Residence

Tax Year 2025

Ownership Individual

County Boulder

Property Type Residential

HOA N

Subdivision Name Highland Park 1

Facing Direction East

Possible Use Residential

Full Baths 1

Status Pending

Directions GPS

High School Fairview

City Boulder

High School District Boulder Valley RE 2

Lot Size Square Feet 7411

Listing Terms Cash Conventional

Elementary School Creekside

Tax Annual Amount 4509

Middle/Junior High School Manhattan

Concessions No

Virtual Tour https://www.listingsmagic.com/sps/tour-slider/index.php?property_ID=282074

Structure Type House

Standard Status Pending

Occupancy Type Owner

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Spa/Hot Tub

Vegetation Wooded

Fencing Fenced

Parking Features Heated Garage

Lot Features Level Sprinklers In Front

Water Source Public

Total Parking 1

Building Area Total 1330

Lot Size Acres 0.17

Road Surface Type Paved

Internal Only

Street Number 1 285

* Excluded Features

List By

Re/Max Of Boulder, Inc

Broker

(720) 234-6390

Phone

Affordability Calculator

$6,533

Per Month

Monthly Principal & Interest: $6,157
Monthly Property Taxes: $376
Monthly Home Insurance: --

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Yearly Home Insurance

Default based on a 30-year fixed rate of 6.25% 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 ^$2,516,718

Percent of Sale Price 152%

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.

1957865 Elementary School

1957357 Middle School

Fairview High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
4/23/2026	$1,000,000		Listed Price

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285 31st Street, Boulder, CO, 80305 is a Single Family Home for sale at $1,000,000 with 1,330 sqft and a lot size of 0.17. 285 31st Street has 3 bedrooms, 2.0 baths, and was built in 1955. The property's zip code is 80305 which is in Boulder, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% 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 5/22/2026.

This publication is designed to provide information with regard to the subject matter covered. It is displayed with the understanding that the publisher and authors are not engaged in rendering real estate, legal, accounting, tax, or other professional services and that the publisher and authors are not offering such advice in this publication. If real estate, legal, or other expert assistance is required, the services of a competent, professional person should be sought.

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PUBLISHER’S NOTICE: All real estate advertised herein is subject to the Federal Fair Housing Act and the Colorado Fair Housing Act, which Acts make it illegal to make or publish any advertisement that indicates any preference, limitation, or discrimination based on race, color, religion, sex, handicap, familial status, or national origin.

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285 31st Street

Single Family Home for sale in Boulder, CO

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