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521 Hawthorn Ave

Boulder, CO 80304

5 beds
5 baths
7,177 sqft
10,724 sqft lot
$870 per sqft
2008 build
– on site

A classic aesthetic meets modern luxury with this exceptional residence nestled on an oversized lot in Boulder's sought-after Newlands neighborhood. This masterfully designed home offers an ideal blend of traditional architecture, intelligent design, and contemporary comfort. Step inside to the entry foyer and discover a thoughtfully conceived main level where formal and casual spaces flow seamlessly together. The front living room, anchored by a gas fireplace, and adjacent formal dining room, provide elegant entertaining spaces for dinner parties and holidays. Moving into the heart of the home, you'll find an expansive and open family room that integrates brilliantly into the gourmet kitchen with premium appliances, center island, and dining nook. A sizable mudroom gives you convenient direct access to a heated garage. Ebony-stained floors replete with in-floor radiant heat, and oversized windows throughout the main level, create an abundance of warmth and natural light. Proceed up the stairs and mid-flight you'll find a dedicated home office space that is removed from the main living spaces for privacy and focus, yet still connected to the rhythm of home life. The upper level presents 4 bedrooms, including a spacious and bright primary suite with magnificent bay windows. The fourth bedroom has a dedicated bathroom ensuite. A convenient laundry room completes the upper floor. The finished lower level features a large great room for games, movie viewing or a fitness space. Situated on a magnificent 10,000+ square foot level lot, this property's outdoor spaces enhance its appeal. Professional landscaping and a patio complete with a brand new hot tub create a perfect backdrop for entertaining. This premier Newlands location offers the perfect balance of privacy and accessibility, positioned just moments from neighborhood trails and schools. Enjoy proximity to both North Boulder and Downtown amenities, including the nearby Ideal Market and Pearl Street Mall.

Listing courtesy of IRES

Last checked: Checking… • Last updated Mar 18, 2025 •

MLS# 1026271 —

This home is listed in more than one place. See it here.

The Building

Year Built:

2008
New Construction:

false
Construction Materials:

Wood/Frame
Building Area Total:

4775
Total SqFt:

7177
Roof:

Composition
Basement:

Full
Levels:

Two
Direction Faces:

South
Stories:

2
Window Features:

Window Coverings
Patio And Porch Features:

Patio
Green Energy Efficient:

Southern Exposure
Above Grade Finished Area:

4775
Below Grade Finished Area:

2402

Interior

Interior Features:

Study Area
Living Room Level:

Main
Living Room Features:

Wood Floor
Kitchen Level:

Main
Kitchen Features:

Wood Floor
Dining Room Level:

Main
Dining Room Features:

Wood Floor
Family Room Level:

Main
Family Room Features:

Wood Floor
Flooring:

Wood Floors
Fireplace:

true
Fireplace Features:

Gas
Laundry Features:

Upper Level

Room Dimensions

Living Area:

7177
Living Area Units:

Square Feet
Living Area Source:

Other
Main Floor SqFt:

2402
Living Room Area:

400
Living Room Length:

20
Living Room Width:

20
Kitchen Length:

14
Kitchen Area:

350
Kitchen Width:

25
Dining Room Area:

195
Dining Room Length:

13
Dining Room Width:

15
Family Room Area:

408
Family Room Length:

17
Family Room Width:

24
Rec Room Length:

33
Master Bedroom Area:

323
Master Bedroom Width:

17
Master Bedroom Length:

19
Bedroom 2 Area:

182
Bedroom 2 Length:

13
Bedroom 3 Length:

13
Bedroom 2 Width:

14
Bedroom 4 Length:

13
Bedroom 3 Area:

182
Bedroom 3 Width:

14
Bedroom 5 Length:

15
Bedroom 4 Area:

182
Bedroom 4 Width:

14
Bedroom 5 Area:

270
Bedroom 5 Width:

18
Laundry Room Length:

9
Laundry Room Width:

6

Financial & Terms

Listing Terms:

Cash

Location

Coordinates:

-105.29, 40.03527
Latitude:

40.03527
Longitude:

-105.29

The Property

Property Type:

Residential
Property Subtype:

Residential-Detached
Parcel Number:

R0511527
Lot Features:

Curbs
Lot Size Acres:

0.25
Lot Size SqFt:

10724
Lot Size Area:

10724
Lot Size Units:

Square Feet
Zoning:

RES
View:

Foothills View
Possible Use:

Single Family
Exclusions:

Owner's Personal Property
Horse:

false
Fencing:

Partial
Exterior Features:

Hot Tub Included
Water Source:

City Water, City of Boulder
Waterfront:

false
Road Surface Type:

Paved

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Annual Amount:

37825

Beds

Bedrooms Total:

5
Bedroom 2 Level:

Upper
Bedroom 2 Features:

Wood Floor
Bedroom 3 Level:

Upper
Bedroom 3 Features:

Wood Floor
Bedroom 4 Level:

Upper
Bedroom 4 Features:

Wood Floor
Bedroom 5 Level:

Lower
Bedroom 5 Features:

Carpet
Master Bedroom Level:

Upper
Master Bedroom Features:

Wood Floor

Baths

Total Baths:

5
Three Quarter Baths:

1
Full Baths:

3
Half Baths:

1
Master Bath Features:

Full Primary Bath, Luxury Features Primary Bath

The Listing

Virtual Tour URL Unbranded:

https://youtu.be/e6tCmKIVfUw
Special Listing Conditions:

Private Owner

Heating & Cooling

Heating:

Zoned
Heating:

true
Cooling:

Central Air
Cooling:

true

Utilities

Utilities:

Natural Gas Available
Gas:

Natural Gas, Xcel
Electric:

Electric, Xcel
Sewer:

City Sewer

Appliances

Appliances:

Gas Range/Oven

Schools

Elementary School:

Foothill
Middle Or Junior School:

Casey
High School:

Boulder
High School District:

Boulder Valley Dist RE2

The Community

Subdivision Name:

Newlands
Senior Community:

false
Spa:

false
Association:

false

Parking

Garage:

true
Attached Garage:

true
Garage Type:

Attached
Garage Spaces:

2
Garage SqFt:

288
Covered Spaces:

2

Monthly cost estimate

Asking price

$6,250,000

Expense	Monthly cost
Mortgage	$33,466
Taxes	$3,152
Insurance	$1,718
Utilities	$198 See report
Total	$38,534/mo.^*
	^*This is an estimate

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Transit Score®

Provided by WalkScore® Inc.

Soundscore™

Provided by HowLoud

Air Pollution Index

Provided by ClearlyEnergy

Sale history

Date	Event	Source	Price	% Change
2/12/25 Feb 12, 2025	Listed / Active	IRES	$6,250,000

House For Sale

$6,250,000

Cost Est.

$38,534/mo.

Listing provided by broker:

The Zach Zeldner Team

7204807650

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This house located in Central Boulder, Boulder, CO 80304 is currently for sale for $6,250,000. 521 Hawthorn Ave is a 7,177 square foot house with 5 beds and 5 baths that has been on Estately for 35 days. 521 Hawthorn Ave is in the Central Boulder neighborhood of Boulder and has a WalkScore® of 25, making it car-dependent. This house is in the attendance area of Foothill Elementary School, Boulder High School, and Casey Middle School.

Listing Courtesy of: IRES

TERMS OF USE: listing information is 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