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Some homes offer a view. 855 Circle Drive offers an escape - with the Flatirons and foothills as your backdrop. Tucked into a private hillside just below Flagstaff Mountain, 855 Circle Dr sits in a world of its own, sheltered by mature trees, wrapped in stillness, yet moments from the heart of Boulder. The Flatirons rise directly in front of you. Trailheads begin nearby. And the sounds of the city simply don't reach you here. This is the setting that renowned Boulder architect Charles Haertling chose for his own personal residence - and that provenance speaks for itself. The home's clean modern exterior gives way to an interior of remarkable warmth, with tongue-and-groove ceilings, exposed beams, hardwood floors, custom woodwork, and skylights that flood the space with natural light throughout the day. Every window is a frame for the landscape beyond. On the upper level, an open-concept living, dining, and kitchen layout flows toward large sliding glass doors that open onto a south-facing terrace oriented directly at the Flatirons. The primary suite offers Flatiron views, patio access, a five-piece bath, and walk-in closet. A dedicated office and a deck off the kitchen overlooking the city complete the level. The outdoor spaces are exceptional: stone patios, terraced gardens, and meandering mature landscaping including cherry and apple trees that bloom in spring, offer shade in summer, and glow in autumn. The grounds feel like a private nature preserve, designed for quiet mornings & golden-hour evenings. Whether you're entertaining on the terrace, setting out on a trail at dawn, or simply embracing the stillness, the outdoor life here is extraordinary. 855 Circle Drive requires nothing of you except to arrive and settle in. With 3,791 sqft across two well-conceived levels, including a spacious family room, three additional bedrooms, a guest suite, and flexible work-from-home spaces, the home functions beautifully for everyday living and generous hosting alike.

Highlights

  • Residential
  • Single Family Residence
  • Built in 1958
  • 0.33 Acre Lot
  • 2 Car Garage
  • 47 days on Market

  • Bedrooms
    4
  • Bathrooms
    1 full · 1 half
  • Year Built
    1958
  • Construction Materials
    Stucco, Brick
  • Garage Spaces
    2.0
  • Parking Features
    Attached
  • Living Area
    3791.0
  • Interior Features
    Eat-in Kitchen, Walk-In Closet(s), Open Floorplan
  • Appliances
    Dryer, Dishwasher, Microwave, Refrigerator, Washer, Disposal, Oven, Double Oven
  • Flooring
    Tile, Wood
  • Exterior Features
    Balcony
  • Patio And Porch
    Patio
  • Security Features
    Smoke Detector(s)
  • Heating
    Baseboard
  • Basement
    None

  • Acres
    0.33
  • Lot Features
    Wooded
  • View
    Mountain(s), City
  • Utilities
    Electricity Available, Natural Gas Available
  • Water
    Public


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Frequently Asked Questions

How do I schedule a tour of 855 Circle Dr?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 855 Circle Dr.

They know residentials in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 855 Circle Dr?

Click Ask a Question to talk with our team. You already know it is a 4 bed, 1 bath, listed for $4,495,000. We can talk through recent upgrades, potential seller motivation, how this single family residence compares to others in Boulder, and can even get you in to see the property quickly.

How do I get a virtual tour of 855 Circle Dr?

Yes! A virtual tour is available for 855 Circle Dr. Click here to view the full walkthrough and explore every room at your own pace. If you would like a guided virtual showing or have questions along the way, we can connect you with our local expert to walk you through it live.

How much is the monthly mortgage payment for 855 Circle Dr?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 855 Circle Dr at around $27,250. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 855 Circle Dr?

Stand out in a competitive market by getting pre-approved today. Our quick and private pre-approval process helps you understand your true buying power—no credit pull required to explore all of your options.

Or, let us connect you with our preferred local lender in Boulder County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 855 Circle Dr?

In most cases, yes. Whether 855 Circle Dr is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Boulder's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 855 Circle Dr?

We can handle that for you. Our preferred local agent specializes in residentials in Boulder and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

What is the price per square foot for this home?

This home is listed at $4,495,000 with 3,791 sqft of space—that comes out to approximately $1,186 per square foot.

How long has this property been on the market?

855 Circle Dr was listed on September 23, 2026, which means it's been on the market for 47 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

When was this house built?

This home was built in 1958, making it approximately 68 years old.

What is the lot size of this property?

855 Circle Dr sits on a 0.33-acre lot, which is 14,375 square feet.

What schools are assigned to this property?

Based on MLS info, this home is zoned for:

  • Elementary: Flatirons
  • Middle: Manhattan
  • High: Boulder

Want to see how these schools compare? Check out our Boulder County School Guide to see ratings, reviews, and more for the schools in the area.

What are the property taxes for 855 Circle Dr?

The most recent public record shows annual property taxes for 855 Circle Dr were approximately $20,038. This may change with reassessment or exemptions. Our local partner can verify current tax amounts and help you estimate future costs based on your situation.

Is 855 Circle Dr still available for sale?

Yes, this home is still available! Click the ♥ to favorite it so you don't miss any changes—or ask our local expert to schedule a time to see it in person.

Source: ez Home Search, MLS Data

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Listing information provided exclusively 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. Information deemed reliable but not guaranteed by the MLS. Copyright 2026, REcolorado. All rights reserved.

Last Updated: November 09, 2026 at 01:13AM | Source: REcolorado | MLS#: IR1069304