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$5,800,000

Listing Price

4beds

3baths

3,239sqft

6,332sqft lot

643 Mapleton Ave, Boulder, CO 80304

Member Features

Find Real Estate Bargain!

  • Full foreclosure details

  • Home value, equity and ownership info

  • Find homes priced below market

  • Get full access with a FREE Account

Already a member?

For Sale

Single Family

Home type

1790.68

Price / sqft

1900

Year built

Home Details

seller financing available. the beautifully preserved past meets the exciting present in this carefully updated and diligently maintained historic mapleton hill home. this fine boulder 4bd/3ba landmark awaits its next generation of lucky residents with an expansive modernized layout, a wealth of original and period-appropriate architectural details, and phenomenal poolside outdoor space. built in 1895, the law house is a gothic revival masterpiece built from stone quarried from mt. sanitas. inside, you'll find tall tin ceilings, original fir floors, stained glass windows and exceptional millwork paired with thoughtfully selected lighting, windows and doors, cleveland art and antiques handblown light fixtures and sonos speakers. a charming covered porch and gracious foyer open to a sun-kissed layout perfect for peaceful relaxation and lavish entertaining, including a fireplace living room, elegant formal dining room and a stately library with breathtaking woodwork, a murphy bed and a hidden passageway to both the lower and upper levels. the open gourmet kitchen boasts a skylight, custom cabinetry, honed raw-edge australian granite and upscale appliances, while an adjacent guest bath and laundry room add convenience. grill masters will love the large deck's lynx summer kitchen. below, the newer saltwater jetted pool spa is surrounded by manicured gardens and tall trees for optimal privacy. a handsome fir staircase leads to the upper-level private quarters, including a luxurious

Interior Details

Square Feet
  • 3239

Bedrooms
  • 4

Bathrooms
  • 3

Heating
  • Has Heating:

    Yes

  • Heating Type:

    Hot Water

Cooling
  • Has Cooling:

    No

  • Cooling Type:

    N/A

Fuel
  • Has Fuel:

    No

  • Fuel Type:

    N/A

Basement
  • Has Basement:

    No

  • Basement Type:

    Full, Daylight

Flooring
  • Has Flooring:

    No

  • Flooring Type:

    N/A

Fireplace
  • Has Fireplace:

    Yes

  • Fireplace Type:

    N/A

Property Details

Lot Size
  • 6332

Water
  • No

Sewer
  • No

Parking
  • Type:

    Garage, Attached

  • Location:

    N/A

  • Status:

    N/A

  • Number of Spaces:

    1

Deck
  • No

Patio
  • No

Fence
  • No

Pool
  • No

Porch
  • Yes

Stoop
  • No

Breezeway
  • No

Construction Details

Number of Stories
  • 2

Style
  • Multi-level

Exterior
  • Combination

Foundation
  • N/A

Roof
  • N/A

Roofing Material
  • Asphalt

Tax History

Year

Amount

Land

Improvement

Percent Change

Assessment

2019

$14,502

$72,144

$97,054

--%

$169,198

2019

$14,502

$72,144

$97,054

--%

$169,198

2018

$12,951

$65,232

$84,146

--%

$149,378

2017

$12,545

$65,232

$84,146

--%

$149,378

2016

$11,093

$61,929

$66,227

--%

$128,156

2014

$9,468

$39,720

$70,406

--%

$110,126

2013

$9,259

$39,720

$70,406

--%

$110,126

2012

$9,355

$23,164

$88,515

--%

$111,679

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Average Home Price in 80304

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Bed

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Sold Date

$1,990,443

3 Beds

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Sold 07/07/2026

$2,880,001

5 Beds

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Sold 07/07/2026

$2,650,000

3 Beds

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8,682 Lot (sqft)

Sold 09/19/2025

$2,638,178

5 Beds

3.25 Baths

3,549 Sqft

7,345 Lot (sqft)

Sold 10/13/2026

$4,034,031

3 Beds

3.25 Baths

3,615 Sqft

49,054 Lot (sqft)

Sold 10/18/2026

$995,000

2 Beds

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3,400 Sqft

2,969 Lot (sqft)

Sold 11/15/2025

$2,750,000

4 Beds

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3,231 Sqft

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Sold 09/29/2026

$5,800,000

4 Beds

3 Baths

3,239 Sqft

6,332 Lot (sqft)

Sold 09/25/2025

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Calculators

Mortgage

Mortgage Calculator

Calculate your monthly mortgage payments.
Household Income
70,000
$
Home price
5,800,000
$
Down payment
1,160,000
$
Mortgage Rate
6.5
%
Loan Term
Property Tax Rate
1.1
%
Homeowner's Insurance (Annual)
34,800
$
HOA (Monthly)
0
$
PMI
0
$
$37,545
Your Payment
Total Monthly Payment:$37,545
Percent of Income:644%
Affordable:No

Details for 643 MAPLETON AVE

Property Debt

Foreclosure Contact Details