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*A Distinguished Mapleton Hill Investment with Exceptional Luxury Redevelopment Potential* Located steps from Boulder's Pearl Street Mall, this distinctive historic quadplex presents a rare opportunity to own an appreciating asset in the coveted Mapleton Hill neighborhood, with Sundance Film Festival on the horizon making it's permanent home in Boulder. Featuring three one-bedroom residences and a studio, the property offers existing income potential and an exciting vision for future transformation. The property showcases architectural character and captivating mountain scenery. The upper-level residence enjoys impressive views, while the main-floor apartment welcomes residents through a covered front porch framed by iconic Flatiron vistas. Inside, a fireplace adds warmth to the living room, complemented by a light-filled bedroom and adjoining sunroom. The lower-level residence features a private side yard, while the studio provides an efficient, self-contained living space. $150,000 in recent upgrades and renovations enhances the property, including flooring, kitchen improvements, drywall, vents, the building's furnace, and a rear staircase constructed with Trex materials. Additional features include shared laundry with newer appliances, three off-street parking spaces, and well-maintained interiors. For investors, this is an opportunity to secure a distinctive property in one of Boulder's most desirable and established neighborhoods. For those envisioning a more transformative future, plans available in the supplemental documents outline the proposed conversion into two sophisticated luxury-style townhomes. Designed by Kari Whitman Designs, the proposed concepts offer a compelling vision for reimagining this historic property into exceptional contemporary residences. Combining substantial recent improvements, historic character, a premier location, and significant redevelopment potential, this is a rare opportunity to invest in Mapleton Hill's enduring appeal.

Highlights

  • Residential Income
  • Built in 1921
  • 0.08 Acre Lot
  • 3 Car Garage
  • 8 days on Market

  • Bedrooms
    4
  • Year Built
    1921
  • Architectural Style
    Cottage
  • Construction Materials
    Brick
  • Foundation
    Slab
  • Garage Spaces
    3.0
  • Parking Features
    Tandem, Off Street
  • Living Area
    3546.0
  • Appliances
    Dryer, Dishwasher, Microwave, Refrigerator, Washer, Disposal
  • Exterior Features
    Dog Run
  • Patio And Porch
    Patio
  • Security Features
    Fire Alarm
  • Cooling
    Ceiling Fan(s), Attic Fan, Wall/Window Unit(s)
  • Heating
    Forced Air
  • Basement
    Full, Walk-Out Access, Partially Finished

  • Acres
    0.08
  • Lot Features
    Level, Corner Lot
  • View
    Mountain(s), City
  • Utilities
    Cable Available, Electricity Available, Natural Gas Available

  • Area
    Boulder
  • County
    Boulder
  • City
    Boulder
  • Neighborhood
    Boulder O T East & West & North
  • Zip Code
    80302
  • High School
    Boulder
  • Middle School
    Casey
  • Elementary School
    Boulder Community School/Integrated Studies

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Frequently Asked Questions

How do I schedule a tour of 2128 11th St?

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 2128 11th St.

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

How do I get more information about 2128 11th St?

Click Ask a Question to talk with our team. You already know it is a 4 bed, N/A bath, listed for $2,825,000. We can talk through recent upgrades, potential seller motivation, how this residential income compares to others in Boulder, and can even get you in to see the property quickly.

How do I get a virtual tour of 2128 11th St?

Yes! A virtual tour is available for 2128 11th St. 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 2128 11th St?

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 2128 11th St at around $16,987. 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 2128 11th St?

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 2128 11th St?

In most cases, yes. Whether 2128 11th St 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 2128 11th St?

We can handle that for you. Our preferred local agent specializes in residential incomes 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 $2,825,000 with 3,546 sqft of space—that comes out to approximately $797 per square foot.

How long has this property been on the market?

2128 11th St was listed on October 31, 2026, which means it's been on the market for 8 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 1921, making it approximately 105 years old.

What is the lot size of this property?

2128 11th St sits on a 0.08-acre lot, which is 3,485 square feet.

What schools are assigned to this property?

Based on MLS info, this home is zoned for:

  • Elementary: Boulder Community School/Integrated Studies
  • Middle: Casey
  • 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 2128 11th St?

The most recent public record shows annual property taxes for 2128 11th St were approximately $10,931. 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 2128 11th St 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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