$3,000,000
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421 Baseline RD, Boulder, CO 80302

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5 Beds
3 Baths
3,895 Sq Ft

Lush, secluded site on the very west of Baseline-small private road right across from beautiful Chautauqua Park. Enjoy spectacular, up close Flatiron views from this mid-century modern home. Period architectural details with paneled, vaulted and beamed ceilings, retro kitchen, walls of glass, 3 fireplaces (gas) and over 4100 sq ft to work with. Sprawling ranch with a full walk-out lower level and several incredible outdoor living spaces. All original condition and ready for a top to bottom renovation. In its prime, the outdoor living spaces overlooked a forest of trees and flowering gardens with seasonal Gregory Creek flowing at the west edge of the property. 15,926 square foot lot at the base of Flagstaff Mountain. Big square footage ready for your 21st century redesign. Please contact listing agent for interior picture availability.

Listing By: Brian Hellwig 3034497000coires Realty.com
  • MLS# 982962
  • Date Listed03/06/2023
  • Bedrooms 5
  • Bathrooms 1 Full baths, 2 Three Quarter baths
  • Lot Size 0.37 acres (16,117 sq. ft)
  • Sewer Public Sewer
  • Subdivision Willowbrook
  • Property Type Single Family
  • County Boulder
  • Year Built 1956
  • Water Public
  • Square Feet 3,895 sq. ft
  • Price Per Sq. Ft $770.22

Interior Features

  • Appliances Electric Range, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Disposal
  • Heating Forced Air

Exterior / Lot Features

  • Exterior Balcony
  • Roof Composition
  • Lot Size Acres 0.37
  • Lot Size SQFT 16,117.20
  • Lot Features Cul- De- Sac, Wooded

Financial Considerations

  • Tax Amount $10,656
  • Terms Cash, Conventional, FHA, VA Loan

Sales & Tax History

Source: Public Records

Date Event Price
03/06/2023 Active $3,000,000.00
Street Address Beds Baths Sold Date List Price Valuation Date Valuation Price
780 Flagstaff Rd | Listing 4 4 Jul 31, 2026 $2,999,999 Aug 30, 2026 -
265 Bellevue Dr | Listing 4 4 Jul 29, 2026 $2,750,000 Mar 21, 2024 $2,642,152
453 Pine St 5 8 Jul 26, 2026 $6,300,000 Aug 30, 2026 -
1596 16th St | Listing 2 2 Jul 31, 2026 $1,100,000 Mar 21, 2024 $1,081,190
769 University Ave 6 3 Jul 24, 2026 $1,700,000 Aug 30, 2026 -
2265 Dartmouth Ave | Listing 5 4 Jul 31, 2026 $1,750,000 Mar 21, 2024 $1,670,760
1701 Mariposa Ave | Listing 3 2 Jul 27, 2026 $1,285,000 Mar 21, 2024 $2,316,000
440 Arapahoe Ave | Listing 4 4 Jul 27, 2026 $2,500,000 Mar 21, 2024 $2,077,250
726 Pearl St B 2 2 Jul 26, 2026 $1,075,000 Aug 30, 2026 -
1920 Columbine Ave 3 2 Jul 26, 2026 $1,399,000 Aug 30, 2026 -

Local Neighborhood Highlights for 80302

Discover key demographics, population statistics, and environmental insights for the Boulder, CO area.

Population & Environment

Source: Sperling's Best Places

Walkability in CO / 80302

Source: Walk Score

16/100

Car-Dependent

Walk Score ®

27/100

Some Transit

Transit Score ®

40/100

Bikable

Bike Score ®

Overview

Almost all errands require a car. A few nearby public transportation options. Minimal bike infrastructure.

Transit Summary

11 nearby routes: 11 bus, 0 rail, 0 other

Walkability averages in the surrounding area

The average walkability score in the surrounding area is Walk Score: 26/100, Transit Score: 20/100, Bike Score: 49/100.

Property Change History

Property FireplaceFeatures updated
Master Bedroom, Gas, Living Room, Basement → Gas, Living Room, Bedroom, Basement
Property Exterior Features updated
Balcony, Enclosed, → Balcony

Points of Interest near 421 Baseline Rd, Boulder, CO 80302

Frequently Asked Questions for 421 Baseline Rd

Source: Realty.com

421 Baseline Rd, Boulder, CO 80302 in Willowbrook, Boulder, CO 80302 is a single family listed at $3,000,000. Highlights include 5 bedrooms, 3 bathrooms, 3,895 sq. ft., built in 1956, 0.37 acre lot, $770 per sq. ft.. Realty.com has 17 photos, sales history, school insights, and mortgage tools for this listing.

Realty.com has 17 photos of 421 Baseline Rd.

Our records indicate that 421 Baseline Rd was built in 1956.

The full address for this home is 421 Baseline Rd, Boulder, CO 80302.

421 Baseline Rd has been listed on Realty.com since Mon March 06, 2023

Almost all errands require a car. A few nearby public transportation options. Minimal bike infrastructure.

The average walkability score in the surrounding area is Walk Score: 26/100, Transit Score: 20/100, Bike Score: 49/100.

There are 3 schools assigned to this home. Check out the schools near 421 Baseline Rd. Flatirons (Grades: K - 5), Manhattan Middle School Of The Arts And Academics (Grades: 6 - 8), Boulder High School (Grades: 9 - 12)

Listing provided courtesy of: Re/max Of Boulder, Inc (tel: 303-449-7000)
Listing agent: Brian Hellwig (tel: 303-818-6592) (#P09349)

This content last refreshed on 2026-08-30 19:26:55. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.