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4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
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4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
4445 Grinnell Avenue
For Sale

4445 Grinnell Avenue

4445 Grinnell Avenue, Boulder, CO 80305

$1,750,000
Fully reimagined and beautifully updated, this South Boulder gem combines modern design, custom details, and an unbeatable location. The open floor plan features vaulted ceilings, white oak floors, and a transformative entryway addition with heated floors. Enjoy true Colorado living with seamless indoor-outdoor flow - an expansive deck with dining and lounge areas, an extended outdoor bar with flip out kitchen window, and professionally landscaped yard, perfect for entertaining or relaxing. Inside, every detail has been considered, from the chef's kitchen to the additional private office space perfect for remote work or creative pursuits. Located in one of Boulder's most coveted neighborhoods, you're just minutes from local schools, parks, and the iconic Flatirons - practically outside your front door.This move-in-ready home blends comfort, sophistication, and the quintessential Boulder lifestyle!

1/24/2026 11:00AM - 2:00PM MST

4
beds

2
baths

1,850 Sq.Ft. LIVING AREA

7,294 Sq.Ft. lot

Greta Tesalona

Greta Tesalona

Features & Amenities

Interior

  • total bedrooms4
  • Total bathrooms2
  • full bathroom1
  • three quarter bathroom1
  • Flooring Wood
  • Fireplace Electric
  • APPLIANCES Bar Fridge, Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
  • other interior Features Eat-in Kitchen, Kitchen Island, Open Floorplan, Vaulted Ceiling(s)

Area & Lot

  • Status For Sale
  • OPEN HOUSE

    1/24/2026 11:00AM - 2:00PM MST

  • Living Area1,850 Sq.Ft.
  • Total Area1,850 Sq.Ft.
  • Lot Area7,294 Sq.Ft.
  • MLS® IDIR1049514
  • TypeResidential
  • YEAR BUILT1965
  • NeighborhoodBoulder
  • Architecture StylesContemporary
  • Elementary SchoolBear Creek
  • Middle SchoolSouthern Hills
  • High SchoolFairview
  • School DistrictBoulder Valley RE 2

Exterior

  • STORIES2
  • Garage Space1.0
  • water SourcePublic
  • utilitiesElectricity Available, Natural Gas Available
  • roofComposition
  • lot featuresSprinklers In Front
  • HEAT TYPEForced Air, Radiant
  • AIR CONDITIONINGCentral Air
  • sewerPublic Sewer

Financial

  • Sales Price$1,750,000
  • Real Estate Tax $7,122/yr
  • Zoning RL-1
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Thank you for your interest in 4445 Grinnell Avenue, Boulder, CO 80305. We are reviewing your request and will be in touch shortly!

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Serving buyers and sellers from across the country for many years, her unique approach has led to involvement in some of the most notable sales in the area.

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