OFF MARKET

Off Market Aug 2025 for $2.3M

$2,679,637

Est. refi paymentEst. refi $6,392/mo

•

5,617

sq ft

8566 Flagstaff Rd, Boulder, CO 80302

About this home

Spectacular 5,000 sq. ft. Mountain Retreat on 35 acres off Flagstaff Road with jaw-dropping views of Indian Peaks Wilderness, Eldorado Canyon, Gross Reservoir, and Thorodin Mountain. Massive windows with lots of natural light provide breathtaking views of mountains and wildlife. Beautiful entryway with tranquil koi pond welcomes you to a spacious and light-filled living room, dining room, and kitchen with vaulted ceilings, bamboo floors, and lovely stonework, including a statement fireplace. Entertainment possibilities abound inside the open floor plan with great flow as well as outside on the expansive deck - perfect for yoga or meditation retreats and large gatherings. Large primary suite with its own fireplace, five-piece bathroom with jetted tub, and dual, large walk-in closets. New interior paint, appliances, fixtures, and carpet. Additional bedrooms with en-suite bathrooms and panoramic views are perfect for family and guests. Lots of flexible space for storage, exercise, and home offices. The downstairs area with separate entrance has options for an in-law or au pair suite. Oversized heated three-car garage has massive storage rooms and a dog-washing station. Enjoy fully owned solar panels, radiant heated floors, and a separate entrance to a large insulated crawl space. This beautiful serene mountain setting only 20 minutes from downtown Boulder offers equestrian and recreation possibilities, including hiking at Walker Ranch and boating and fishing at Gross Reservoir. Welcome Home to this one-of-a-kind sanctuary!

Single-familyProperty Type

2000Year Built

33.95 acresLot Size

$477Est. Price/Sq.Ft.

3 car garageParking

Listed by Mary Siefert • Live West Realty

Contact: 3035949933

Bought with Non-IRES Agent • Non-IRES

•970-593-9002 (broker)

Redfin checked: a minute ago

•Source:IRES as Distributed by MLS Grid #1029616

Redfin Estimate

$2,679,637

$380K since sold in August 2025$78K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 58.2% higher than the average sale price ($1.69M) of 6 comparable homes.

SOLD JUL 15, 2026
2230 Knollwood Dr, Boulder, CO 80302
$3,750,000
A
4 beds3 baths4,046 sq ft
2230 Knollwood Dr, Boulder, CO 80302
SOLD JUL 15, 2026
$1,620,000
B
4 beds3 baths3,777 sq ft
6583 Magnolia Dr, Nederland, CO 80466
SOLD JUN 1, 2026
$1,075,000
C
3 beds3.5 baths2,911 sq ft
237 Puma Dr, Boulder, CO 80302
SOLD AUG 12, 2026
$615,257
D
3 beds3 baths3,707 sq ft
31721 Highway 72, Golden, CO 80403
Compass - Denver
SOLD DEC 30, 2025
$985,000
E
3 beds4 baths4,126 sq ft
214 Chute Rd, Golden, CO 80403
Coldwell Banker Realty 56
SOLD APR 17, 2026
$2,120,000
F
6 beds5 baths6,337 sq ft
2489 Gross Dam Rd, Golden, CO 80403
Compass - Denver

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Earn from this home

Sell

$719,741

Est. take-home

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Refinance

Est. cash available

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Rent

$6,524/mo

Redfin rental estimate

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Market trends in 80302, CO

Last updated August 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

95.9%

0.1% MoM

Median sale price

$1.2M

$34K MoM

Avg. days on market

67d

16 days MoM

Recently sold homes

7 MoM

New listings for sale

3D WALKTHROUGH
$165,000
2 beds1 bath851 sq ft
350 Arapahoe Ave #24, Boulder, CO 80302
VIDEO TOUR
$2,195,000
5 beds4 baths4,069 sq ft
541 Arapahoe Ave, Boulder, CO 80302
$3,000,000
10 beds8 baths4,314 sq ft
1723-1725 15th St, Boulder, CO 80302
$1,095,000
3 beds2 baths2,240 sq ft
8394 Larkspur Rd, Boulder, CO 80302
COMING SOON
$8,800,000
3 beds3.5 baths4,907 sq ft
2285 Knollwood Dr, Boulder, CO 80302
COMING SOON
$825,000
2 beds1 bath1,020 sq ft
2328 Walnut St, Boulder, CO 80302
LISTED BY REDFIN
$5,850,000
5 beds5 baths6,625 sq ft
800 Grant Pl, Boulder, CO 80302
Redfin Corporation
$930,000
2 beds2 baths1,335 sq ft
2336 Spruce St Unit D, Boulder, CO 80302
Ross Blahnik • Compass - Denver
3D WALKTHROUGH
$2,300,000
3 beds3.5 baths4,665 sq ft
7372 Olde Stage Rd, Boulder, CO 80302
$999,000
3 beds2.5 baths2,753 sq ft
487 Millionaire Dr W, Boulder, CO 80302
See all

Provided by Redfin

Sale history for 8566 Flagstaff Rd

Date

Event

Price

IRES as Distributed by MLS Grid #1029616

Aug 1, 2025

Sold

$2,300,000

$409/sq ft

Jun 1, 2025

Contingent

—

May 4, 2025

Price Changed

$2,599,000

$463/sq ft

Mar 28, 2025

Listed

$2,650,000

$472/sq ft

REColorado as Distributed by MLS Grid #4095049

Feb 14, 2025

Listing Removed

—

Feb 14, 2025

Listing Removed

—

Sep 16, 2024

Price Changed

$2,750,000

$490/sq ft

Sep 16, 2024

Price Changed

$2,750,000

$490/sq ft

May 1, 2024

Price Changed

$3,500,000

$623/sq ft

May 1, 2024

Price Changed

$3,500,000

$623/sq ft

Jan 31, 2024

Listed

$3,750,000

$668/sq ft

Jan 31, 2024

Listed

$3,750,000

$668/sq ft

IRES as Distributed by MLS Grid #8303802

Nov 29, 2023

Listing Removed

—

Nov 29, 2023

Listing Removed

—

Jun 1, 2023

Listed

$4,250,000

$757/sq ft

Jun 1, 2023

Listed

$4,250,000

$757/sq ft

REColorado as Distributed by MLS Grid #9806880

Apr 28, 2023

Listing Removed

—

Apr 28, 2023

Listing Removed

—

Nov 5, 2022

Listed

$5,250,000

$935/sq ft

Nov 5, 2022

Listed

$5,250,000

$935/sq ft

Public Records

Nov 2, 1984

Sold

$150,000

$27/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$13,355 (−1.8%)

$22,919 + $123,038

$145,957

2024

$13,605 (+1.6%)

$22,919 + $123,038

$145,957

2023

$13,385 (+22.2%)

$28,388 + $132,754

$161,142

2022

$10,955 (+1.1%)

$32,073 + $132,754

$164,827

2021

$10,832 (+24.8%)

$19,773 + $104,625

$124,398

2020

$8,682 (+1.6%)

$20,342 + $107,636

$127,978

2019

$8,546 (+6.3%)

$23,595 + $76,169

$99,764

2018

$8,038 (+2.7%)

$23,595 + $76,169

$99,764

2017

$7,824 (−16.1%)

$22,752 + $70,474

$93,226

2016

$9,327 (+6.3%)

$22,752 + $70,474

$93,226

2015

$8,775 (+20.1%)

$33,193 + $73,503

$106,696

2014

$7,307 (+3.2%)

$39,800 + $47,760

$87,560

2013

$7,079 (+4.1%)

$39,800 + $47,760

$87,560

2012

$6,802 (−4.2%)

$39,800 + $47,760

$87,560

2011

$7,097 (−5.7%)

$21,970 + $63,600

$85,570

2010

$7,529 (+6.2%)

$21,970 + $63,600

$85,570

2009

$7,087

$23,320 + $68,580

$91,900

Tax history for 8566 Flagstaff Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,355 (−1.8%)

$22,919 + $123,038

$145,957

2024

$13,605 (+1.6%)

$22,919 + $123,038

$145,957

2023

$13,385 (+22.2%)

$28,388 + $132,754

$161,142

2022

$10,955 (+1.1%)

$32,073 + $132,754

$164,827

2021

$10,832 (+24.8%)

$19,773 + $104,625

$124,398

2020

$8,682 (+1.6%)

$20,342 + $107,636

$127,978

2019

$8,546 (+6.3%)

$23,595 + $76,169

$99,764

2018

$8,038 (+2.7%)

$23,595 + $76,169

$99,764

2017

$7,824 (−16.1%)

$22,752 + $70,474

$93,226

2016

$9,327 (+6.3%)

$22,752 + $70,474

$93,226

2015

$8,775 (+20.1%)

$33,193 + $73,503

$106,696

2014

$7,307 (+3.2%)

$39,800 + $47,760

$87,560

2013

$7,079 (+4.1%)

$39,800 + $47,760

$87,560

2012

$6,802 (−4.2%)

$39,800 + $47,760

$87,560

2011

$7,097 (−5.7%)

$21,970 + $63,600

$85,570

2010

$7,529 (+6.2%)

$21,970 + $63,600

$85,570

2009

$7,087

$23,320 + $68,580

$91,900

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

33.95 Acres

Year renovated

2000

Sq. Ft.

5,074

Year built

2000

Style

Single Family Residential

County

Boulder County

APN

R0100432

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Forestry District

Rural areas established for the purpose of efficiently using land to conserve forest resources, protect the natural environment, and preserve open areas.

Permitted uses

Include but are not limited to:

Agriculture
Equestrian facility
Livestock production
Housing-Group
Housing-Single unit
Bed & breakfast
Office
Public service
Communications tower
Park & open space

Property details

Parking

Parking Information
Garage Type: Attached
Garage Sq. Ft.: 1083
Parking Features: Garage Door Opener, Attached
Garage Spaces: 3

Interior

Virtual Tour

Bedroom Information
# of Bedrooms: 4
All Bedrooms Conform: 1

Bathroom Information
# of Full Baths (Total): 3
# of Three Quarter Baths (Total): 1
# of Full Baths (Upper): 1
# of Full Baths (Main): 1
# of Full Baths (Lower): 1
# of Three Quarters Baths (Main): 1

Study Information
Has Study: 1

Family Room Information
Has Family Room: 0

Basement Information
Basement Features: Crawl Space, Slab

Fireplace Information
Fireplace Features: Two or More, Bedroom, Great Room

Heating & Cooling
Heating Information: Baseboard, Radiator
Cooling Information: Ceiling Fan(s)

Interior Features
Door Features: French Doors
Room Type: Loft
Interior Features: Eat-in Kitchen, Cathedral Ceiling(s), Open Floorplan, Pantry, Walk-in Closet(s), Kitchen Island, Central Vacuum
Window Features: Skylight(s), Window Coverings
Appliances: Down Draft, Dishwasher, Refrigerator, Washer, Dryer, Microwave, Disposal, Fire Alarm
Flooring: Wood

Exterior

Building Information
Construction Materials: Frame, Stone, Stucco
Roof: Composition

Exterior Features
Patio And Porch Features: Patio, Deck
Exterior Features: Balcony, Heated Garage, Oversized Garage

Pool Information
Spa Features: Bath

Property Information
Levels: Tri-Level
Has Improvements: No
Sq. Ft. Main Floor: 5074
Sq. Ft. Lower: 543
New Construction Status: Not New, Previously Owned
Other Equipment: Satellite Dish
Property Type: Residential
Property Sub Type: Single Family Residence
Accessibility Features: Main Floor Bath, Main Level Bedroom, Main Level Laundry
Above Grade Finished Area: 5,074
Zoning: F

Land Information
Possible Use: Single Family

Lot Information
Flood Plain: Minimal Flood or C Rating
Lot Features: Wooded, Evergreen Trees, Deciduous Trees, Native Grass, Sloping Lot, Abuts National Forest, Abuts Public Open Space, Meadow, House Faces North
Road Surface Type: Dirt
Road Frontage Type: Privately Maintained

Financial

Tax Information
Tax Annual Amount: $13,605
Tax Year: 2024

Utilities

Utility Information
Water Source: Well
Has Water Rights: No
Is Water Meter Installed: Yes
Sewer: Septic Tank
Utilities: Electricity Available, Cable Available, Satellite Avail, High Speed Avail
Gas: Xcel

Location

HOA Information
Association Fee YN: No
Association Transfer Fee: No
Association Reserve: No
Association Fee2 YN: No
Association Transfer Fee2: No

School Information
Elementary School: Flatirons
Middle Or Junior High School: Manhattan
High School: Boulder
High School District: Boulder Valley Dist RE2

Location Information
Directions: From Broadway, take Baseline west past Chautauqua Park. After the park, road turns sharp right and becomes Flagstaff Road. Stay on Flagstaff for 8.5 miles, past several switchbacks and vista points. After the 90-degree right turn just past Walker Ranch you will notice 5 mailboxes on the right with sign for 8566 and other homes. Take the private dirt road on the right up the hill for 1/2 mile, taking left fork and following signs for 8566. After fork, turn left at 2nd driveway with signs "Bukit Tinggi" and 8566.

Public facts

Beds: 3
Baths: 4.0
Sq. Ft.: 5,074
Stories: 1.0
Lot Size: 33.95 acres
Style: Single Family Residential
Year Built: 2000
Year Renovated: 2000
County: Boulder County
APN: R0100432

Home facts updated by county records on Sep 2, 2026

Other

Green Information
Green Energy Efficient: Windows

Around this home

Schools

Flatirons Elementary School

Public K-5 • Assigned • 5.2mi

8/10

Manhattan Middle School Of The Arts And Academics

Public 6-8 • Assigned • 7.4mi

9/10

Boulder High School

Public 9-12 • Assigned • 5.8mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

5/10 Fire Factor

7% chance of being in a wildfire in next 30 years

1/10 Heat Factor

7 days above 84° expected this year, 17 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

Historical weather

Boulder, CO • 80302

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 10.1 hours in June and 6.1 hours in December, placing it above the U.S. average for solar exposure.

10.1 hrs

6.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.55M – $3.08M

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Home values near 8566 Flagstaff Rd

Data from public records.

Address	Redfin Estimate
788 Lakeshore Drive, Boulder, CO 2 Beds \| 1 Baths \| 1200 Sq. Ft.	$730,756
597 Lakeshore Drive, Boulder, CO 2 Beds \| 1.5 Baths \| 1857 Sq. Ft.	$757,056

Address	Redfin Estimate
796 Lakeshore Drive, Boulder, CO 3 Beds \| 3.5 Baths \| 2757 Sq. Ft.	$1,257,787
72 Lakeshore Park Road, Boulder, CO 4 Beds \| 3 Baths \| 1629 Sq. Ft.	$1,008,583

Address	Redfin Estimate
705 Lakeshore Drive, Boulder, CO 2 Beds \| 1.5 Baths \| 1660 Sq. Ft.	$958,642
580 Lakeshore Drive, Boulder, CO 3 Beds \| 2.5 Baths \| 1802 Sq. Ft.	$880,615

Property information provided by IRES as Distributed by MLS Grid when last listed in 2025. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 80302, CO

Sale history for 8566 Flagstaff Rd

Tax history for 8566 Flagstaff Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80302

Home values near 8566 Flagstaff Rd

More real estate resources