Seller's Agent in 2026
Sue Masterson
RE/MAX
(720) 352-4802
154 Total Sales
7321 Flagstaff Rd Boulder, CO 80302
Boulder Area
4
Beds
5.5
Baths
10,188
Sq Ft
36.22
Acre Lot
Highlights
- Barn
- Arena
- City View
- Flatirons Elementary School Rated A
- Private Pool
- 36.22 Acre Lot
About This Home
As of June 2026This stunning mountain sanctuary offers a rare opportunity to own a truly private estate on 36 pristine acres just 15 min from Boulder. Surrounded by thousands of acres of Boulder County Parks & Open Space, this exceptional 10,000+ SF home offers unmatched serenity, panoramic mountain views, and resort-style amenities - all accessed by fully paved, year-round maintained roads. Designed to capture its breathtaking setting, the home features walls of glass framing sweeping mountain vistas and a stunning view of the Denver skyline. The dramatic great room boasts soaring 30-foot ceilings and a floor-to-ceiling stone fireplace crafted from rock sourced on the property. Radiant floor heat throughout. The world-class chef-designed kitchen showcases rich walnut cabinetry, Wolf & Sub-Zero appliances. The main-level primary suite offers two walk-in closets, a spa-like bath, and direct access to a private, fenced garden with dining beneath an ivy-covered pergola. Generously sized secondary bedrooms, an incredible home office, guest suite, game room, and an in-home gym provide comfort and flexibility. Fantastic outdoor living rivals a five-star retreat with cascading terraces, multiple patios, fire pits & gathering areas, professionally designed gardens, a rare foothills swimming pool, spa, lovely double waterfall and pond feature, expansive lawn, plus a captivating glass and stone imported English greenhouse. Equestrian facilities incl a modern barn w/large stalls, electric waterers, tack room, grain storage, & office with restroom. 4 Car garage, gear room, plus heated shop give room for all your storage. Recreation begins at your door with 4 miles of on-property trails for hiking, biking, ATV or riding. Or enjoy immediate access to Meyers Gulch, Walker Ranch, & Eldorado Canyon trails. Gross Reservoir, South Boulder Creek, & Eldora Mountain Resort all nearby. An exquisite, private mountain retreat offering luxury, unparalleled access to nature, and the best of Boulder living.
Last Agent to Sell the Property
RE/MAX of Boulder, Inc Brokerage Phone: 7203524802 License #40017000 Listed on: 03/27/2026
Co-Listed By
RE/MAX of Boulder, Inc Brokerage Phone: 7203524802 License #100105210
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $30,654
Year Built
- Built in 1995
Lot Details
- 36.22 Acre Lot
- Southern Exposure
- Fenced
- Paved or Partially Paved Lot
- Level Lot
- Sprinkler System
- Wooded Lot
- Landscaped with Trees
Parking
- 4 Car Attached Garage
- Heated Garage
- Garage Door Opener
Property Views
- City
- Mountain
- Hills
Home Design
- Contemporary Architecture
- Mixed Use
- Composition Roof
- Stone
Interior Spaces
- 10,188 Sq Ft Home
- 2-Story Property
- Open Floorplan
- Wet Bar
- Bar Fridge
- Beamed Ceilings
- Cathedral Ceiling
- Ceiling Fan
- Multiple Fireplaces
- Gas Fireplace
- Window Treatments
- Bay Window
- Great Room
- Family Room
- Living Room with Fireplace
- Dining Room
- Recreation Room
- Workshop
- Fire and Smoke Detector
Kitchen
- Eat-In Kitchen
- Double Self-Cleaning Oven
- Gas Range
- Freezer
- Dishwasher
- Wolf Appliances
- Kitchen Island
- Trash Compactor
- Disposal
Bedrooms and Bathrooms
- 4 Bedrooms
- Main Floor Bedroom
- Fireplace in Bedroom
- Walk-In Closet
- Primary Bathroom is a Full Bathroom
- Primary bathroom on main floor
- Steam Shower
- Spa Bath
Laundry
- Laundry Room
- Laundry on main level
- Dryer
- Washer
Eco-Friendly Details
- Energy-Efficient Windows
Pool
- Private Pool
- Spa
Outdoor Features
- Balcony
- Deck
- Enclosed Patio or Porch
- Outdoor Storage
- Outdoor Gas Grill
Schools
- Flatirons Elementary School
- Manhattan Middle School
- Boulder High School
Farming
- Barn
- Loafing Shed
- Pasture
Horse Facilities and Amenities
- Horses Allowed On Property
- Corral
- Tack Room
- Hay Storage
- Arena
- Riding Trail
Utilities
- Ductless Heating Or Cooling System
- Radiant Heating System
- Baseboard Heating
- Propane
- Septic Tank
Community Details
- No Home Owners Association
- Walker Ranch Area Subdivision
Listing and Financial Details
- Assessor Parcel Number R0024841
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Mar 27, 2026
Closed on
May 29, 2026
Sold by
Bought by
Seller's Agent
Sue Masterson
RE/MAX of Boulder, Inc
Buyer's Agent
Hawk Vanek
LIV Sotheby's Intl Realty
List Price
$6,750,000
Sold Price
$6,250,000
Premium/Discount to List
-$500,000
-7.41%
Views
96
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
41.45%
Purchase Details
Listed on
Jun 15, 2018
Closed on
Jan 15, 2019
Sold by
Bought by
Seller's Agent
Jeff Erickson
LIV Sotheby's Intl Realty
Buyer's Agent
Karen Libin
KL Realty
List Price
$5,995,000
Sold Price
$5,100,000
Premium/Discount to List
-$895,000
-14.93%
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
2.79%
Original Mortgage
$3,200,000
Interest Rate
0.047%
Mortgage Type
New Conventional
Purchase Details
Closed on
Dec 16, 2002
Sold by
Bought by
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$956,000
Interest Rate
0.0606%
Purchase Details
Closed on
Apr 1, 1998
Sold by
Bought by
Purchase Details
Closed on
Jan 1, 1998
Sold by
Bought by
Purchase Details
Closed on
Mar 10, 1994
Sold by
Bought by
Purchase Details
Closed on
Mar 22, 1993
Bought by
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Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Special Warranty Deed | $6,250,000 | First American Title | |
| Warranty Deed | $5,100,000 | None Available | |
| Interfamily Deed Transfer | -- | -- | |
| Interfamily Deed Transfer | -- | -- | |
| Warranty Deed | $1,671,379 | First American Heritage Titl | |
| Deed | $365,000 | Land Title | |
| Deed | -- | -- |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Closed | $3,200,000 | New Conventional | |
| Previous Owner | $956,000 | No Value Available |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 06/03/2026 06/03/26 | Sold | $6,250,000 | -7.4% | $613 / Sq Ft | |
| 04/01/2026 04/01/26 | For Sale | $6,750,000 | +32.4% | $663 / Sq Ft | |
| 03/09/2021 03/09/21 | Off Market | $5,100,000 | -- | -- | |
| 01/15/2019 01/15/19 | Sold | $5,100,000 | -14.9% | $501 / Sq Ft | View Prior Sale |
| 12/07/2018 12/07/18 | Pending | -- | -- | -- | |
| 06/15/2018 06/15/18 | For Sale | $5,995,000 | -- | $588 / Sq Ft |
Source: IRES MLS
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2026 | $30,654 | $336,363 | $24,528 | $311,835 |
| 2025 | $30,654 | $336,363 | $24,528 | $311,835 |
| 2024 | $32,911 | $309,157 | $22,544 | $286,613 |
| 2023 | $32,399 | $359,314 | $31,577 | $331,422 |
| 2022 | $25,477 | $263,268 | $19,286 | $243,982 |
| 2021 | $24,281 | $270,843 | $19,841 | $251,002 |
| 2020 | $14,583 | $155,571 | $23,238 | $132,333 |
| 2019 | $14,356 | $155,571 | $23,238 | $132,333 |
| 2018 | $12,644 | $135,317 | $22,392 | $112,925 |
| 2017 | $12,307 | $149,600 | $24,756 | $124,844 |
| 2016 | $13,500 | $142,907 | $32,875 | $110,032 |
| 2015 | $12,702 | $171,459 | $39,800 | $131,659 |
| 2014 | $15,249 | $171,459 | $39,800 | $131,659 |
Source: Public Records
Agents Affiliated with this Home
-
Sue Masterson
-
Elizabeth Zajicek
Seller Co-Listing Agent in 2026
Elizabeth Zajicek
RE/MAX
(303) 449-7000
59 Total Sales
-
Hawk Vanek
Buyer's Agent in 2026
Hawk Vanek
LIV Sotheby's Intl Realty
(303) 912-7317
100 Total Sales
-
Jeff Erickson
Seller's Agent in 2019
Jeff Erickson
LIV Sotheby's Intl Realty
(303) 589-2741
79 Total Sales
-
Carliss Erickson
Seller Co-Listing Agent in 2019
Carliss Erickson
LIV Sotheby's Intl Realty
(303) 249-8384
2 Total Sales
-
Karen Libin
K
Buyer's Agent in 2019
Karen Libin
KL Realty
(303) 229-7070
12 Total Sales
Map
Source: IRES MLS
MLS Number: IRE1055020
APN: 1579150-00-023
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Information source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules © Copyright IRES.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. 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.
Based on information submitted to the MLS GRID
Listings courtesy of IRES MLS as distributed by MLS GRID
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