721 9th St
Boulder, CO 80302
- 4 beds
- 5 baths
- 2,793 sqft
- 12,525 sqft lot
- $1,020 per sqft
- 1911 build
- – on site
Introducing The Brandt House - a historic 1911 Craftsman-style residence gracefully situated just three doors from iconic Chautauqua Park. Encompassing a quarter-acre on a quadruple lot with sweeping views of the Flatirons and Mt. Sanitas, this exceptional property blends timeless architecture with thoughtful, modern updates. The remodeled interior offers light-filled living spaces with 9' ceilings, stained white oak floors, a gourmet kitchen with generous island and a picturesque dining room with giant picture windows and indoor-outdoor connectivity. The pristine primary suite offers its own sanctuary with wired sound system, double closets, ensuite bathroom and dual closets. A finished walkout lower level adds flexibility with guest quarters, storage and a mudroom. The detached guest house allows for additional flexibility with a main level studio space, 3/4 bathroom and upper level bedroom with a private balcony, while the original carriage house - insulated and electrified - offers a serene, creative space. Escape to the lush, landsaped, private backyard offering a flagstone patio, fruit trees, raised garden beds, and an expansive, level sports field ideal for a variety of recreational activities or large-scale entertaining. With ample parking, a single car garage + 2 additional parking spaces with an EV charger, and potential for future development, this is a rare opportunity in one of Boulder's most sought-after enclaves.
Last checked:
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Last updated May 13, 2025
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MLS# 1033886 —
This home is listed in more than one place. See it here.
The Building
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Year Built:1911
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New Construction:false
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Construction Materials:Wood/Frame
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Total SqFt:2,793 Sqft
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Building Area Total:2170
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Roof:Composition
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Levels:Two
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Basement:Partial
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Stories:2
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Direction Faces:East
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Window Features:Window Coverings
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Patio And Porch Features:Patio
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Door Features:6-Panel Doors
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Accessibility Features:Level Lot
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Green Energy Efficient:Southern Exposure
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Above Grade Finished Area:2170
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Below Grade Finished Area:623
Interior
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Interior Features:Study Area
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Flooring:Wood Floors
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Fireplace:true
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Fireplace Features:Living Room
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Living Room Level:Main
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Living Room Features:Wood Floor
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Kitchen Level:Main
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Kitchen Features:Wood Floor
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Dining Room Level:Main
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Dining Room Features:Wood Floor
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Laundry Features:Washer/Dryer Hookups
Room Dimensions
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Living Area:2793
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Study Length:10
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Living Area Units:Square Feet
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Living Area Source:Other
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Main Floor SqFt:1322
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Living Room Area:490
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Living Room Length:35
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Living Room Width:14
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Kitchen Length:18
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Kitchen Area:288
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Kitchen Width:16
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Dining Room Area:180
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Dining Room Length:18
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Dining Room Width:10
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Master Bedroom Area:187
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Master Bedroom Width:17
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Master Bedroom Length:11
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Bedroom 2 Area:187
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Bedroom 2 Length:11
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Bedroom 3 Length:13
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Bedroom 2 Width:17
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Bedroom 3 Area:130
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Bedroom 3 Width:10
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Laundry Room Length:15
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Laundry Room Width:12
Financial & Terms
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Listing Terms:Cash
Location
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Directions:Agents showing this property may enter either through the front door, or through the alley between 9th & Grant Streets. The alley is highly recommended on weekends or on busy evenings. There are two parking spaces on the property accessible from the alley. See Showing Time for access information.
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Coordinates:-105.28228, 40.00104
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Latitude:40.00104
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Longitude:-105.28228
The Property
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Property Type:Residential
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Property Subtype:Residential-Detached
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Parcel Number:R0001029
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Lot Features:Curbs
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Lot Size Acres:0.29
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Lot Size SqFt:12,525 Sqft
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Lot Size Area:12525
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Lot Size Units:Square Feet
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Zoning:Rh-1
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View:Foothills View
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Possible Use:Single Family
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Exclusions:Seller's personal property and any staging items.
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Horse:false
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Fencing:Wood
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Other Structures:Storage
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Exterior Features:Lighting
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Waterfront:false
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Road Frontage Type:City Street
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Road Surface Type:Paved
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Has Water Rights:No
Listing Agent
- Contact info:
- No listing contact info available
Taxes
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Tax Year:2024
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Tax Annual Amount:$13,355
Beds
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Bedrooms Total:4
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Bedroom 2 Level:Upper
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Bedroom 2 Features:Wood Floor
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Bedroom 3 Level:Upper
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Bedroom 3 Features:Wood Floor
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Bedroom 4 Level:Basement
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Master Bedroom Level:Upper
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Master Bedroom Features:Wood Floor
Baths
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Total Baths:5
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Three Quarter Baths:3
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Full Baths:2
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Master Bath Features:Full Primary Bath
The Listing
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Special Listing Conditions:Private Owner
Heating & Cooling
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Heating:Forced Air
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Heating:true
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Cooling:Central Air
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Cooling:true
Utilities
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Utilities:Natural Gas Available
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Gas:Natural Gas, Xcel
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Electric:Electric, Xcel
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Sewer:City Sewer
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Water Source:City Water, Boulder Water
Appliances
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Appliances:Gas Range/Oven
Schools
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Elementary School:Flatirons
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Middle School:Manhattan
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High School:Boulder
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High School District:Boulder Valley Dist RE2
The Community
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Association:false
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Subdivision Name:Chautauqua Heights
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Spa:false
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Senior Community:false
Parking
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Parking Features:Garage Door Opener
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Garage Spaces:1
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Garage:true
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Garage SqFt:240 Sqft
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Garage Type:Detached
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Attached Garage:false
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Covered Spaces:1
Monthly cost estimate

Asking price
$2,850,000
Expense | Monthly cost |
---|---|
Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$15,260
|
Taxes | $1,112 |
Insurance | $783 |
Utilities | $208 See report |
Total | $17,363/mo.* |
*This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Transit Score®
Provided by WalkScore® Inc.
Transit Score measures a location's access to public transit. It is based on nearby transit routes frequency, type of route (bus, rail, etc.), and distance to the nearest stop on the route. Transit Scores range from 0 (Minimal Transit) to 100 (Rider’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Sale history
Date | Event | Source | Price | % Change |
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5/13/25
May 13, 2025
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Listed / Active | IRES | $2,850,000 |