Exceptional Opportunity to design and build your dream home on the highest lot in Mountain Ridge offering privacy & stunning views. This incredible locations boasts unobstructed VIEWS from Lake of the Pines to Peaks Peak, or enjoy the twinkling lights at night of Boulder & beyond. The 2.81 ACRE premium Lot is at the end of this small, boutique subdivision with all new modern, custom homes being built in an exclusive & private setting. Bring your own builder. Enjoy mountain living, yet only 5-10 minutes to Boulder.
Exceptional Opportunity to design and build your dream home on the highest lot in Mountain Ridge offering privacy & stunning views. This incredible locations boasts unobstructed VIEWS from Lake of the Pines to Peaks Peak, or enjoy the twinkling lights at night of Boulder & beyond. The 2.81 ACRE premium Lot is at the end of this small, boutique subdivision with all new modern, custom homes being built in an exclusive & private setting. Bring your own builder. Enjoy mountain living, yet only 5-10 minutes to Boulder.
IRES as Distributed by MLS Grid #1005211
Mar 20, 2026
Sold
$580,000
Oct 31, 2025
Contingent
—
Mar 16, 2024
Listed
$750,000
+16
Exceptional Opportunity to design and build your dream home on the highest lot in Mountain Ridge offering privacy & stunning views. This incredible locations boasts unobstructed VIEWS from Lake of the Pines to Pikes Peak, or enjoy the twinkling lights at night of Boulder & beyond. The 2.81 ACRE premium Lot is at the end of this small, boutique subdivision with all new modern, custom homes being built in an exclusive & private setting. Bring your own builder. Enjoy mountain living, yet only 5-10 minutes to Boulder.
IRES as Distributed by MLS Grid #932751
Jan 29, 2021
Sold
$250,000
Dec 9, 2020
Listed
$250,000
REColorado as Distributed by MLS Grid #IR932751
Jan 29, 2021
Sold
$250,000
Dec 9, 2020
Listed
$250,000
IRES as Distributed by MLS Grid #627401
Nov 8, 2010
Listing Removed
—
Apr 29, 2010
Listed
$1,297,000
REColorado as Distributed by MLS Grid #881202
Nov 8, 2010
Listing Removed
—
Apr 28, 2010
Listed
$1,297,000
IRES as Distributed by MLS Grid #604876
Nov 21, 2009
Listing Removed
—
Jul 10, 2009
Listed
$1,395,000
IRES as Distributed by MLS Grid #557681
Oct 30, 2008
Listing Removed
—
Jan 30, 2008
Listed
$1,495,000
IRES as Distributed by MLS Grid #519392
Nov 26, 2007
Listing Removed
—
Jan 30, 2007
Listed
$1,695,000
IRES as Distributed by MLS Grid #458441
Nov 29, 2006
Listing Removed
—
Jul 7, 2005
Listed
$1,795,000
Public Records
May 24, 1990
Sold
$175,000
Year
Property tax
Land + Additions
Assessment*
2025
$3,147 (+30.4%)
$27,863
2024
$2,414 (+1.3%)
$27,863
2023
$2,384 (−0.1%)
$23,377
2022
$2,386 (+2.0%)
$27,062
2021
$2,338 (−64.4%)
$22,379
2020
$6,568 (−15.2%)
$23,023
2019
$7,743 (+20.5%)
$23,023 + $49,585
$72,608
2018
$6,425 (+1.3%)
$23,023 + $62,584
$85,607
2017
$6,341 (−6.4%)
$25,416 + $47,318
$72,734
2016
$6,771 (+4.8%)
$25,416 + $47,318
$72,734
2015
$6,462 (+14.7%)
$23,721 + $52,886
$76,607
2014
$5,636 (+0.7%)
$19,820 + $47,346
$67,166
2013
$5,596 (−30.5%)
$19,820 + $47,346
$67,166
2012
$8,049 (+7.0%)
$19,820 + $47,346
$67,166
2011
$7,524 (−10.8%)
$20,776 + $67,978
$88,754
2010
$8,431 (+1.8%)
$20,776 + $67,978
$88,754
2009
$8,280
$44,340 + $56,080
$100,420
Tax history for 9657 Mountain Ridge Pl
Year
Property tax
Land + Additions
Assessment*
2025
$3,147 (+30.4%)
$27,863
2024
$2,414 (+1.3%)
$27,863
2023
$2,384 (−0.1%)
$23,377
2022
$2,386 (+2.0%)
$27,062
2021
$2,338 (−64.4%)
$22,379
2020
$6,568 (−15.2%)
$23,023
2019
$7,743 (+20.5%)
$23,023 + $49,585
$72,608
2018
$6,425 (+1.3%)
$23,023 + $62,584
$85,607
2017
$6,341 (−6.4%)
$25,416 + $47,318
$72,734
2016
$6,771 (+4.8%)
$25,416 + $47,318
$72,734
2015
$6,462 (+14.7%)
$23,721 + $52,886
$76,607
2014
$5,636 (+0.7%)
$19,820 + $47,346
$67,166
2013
$5,596 (−30.5%)
$19,820 + $47,346
$67,166
2012
$8,049 (+7.0%)
$19,820 + $47,346
$67,166
2011
$7,524 (−10.8%)
$20,776 + $67,978
$88,754
2010
$8,431 (+1.8%)
$20,776 + $67,978
$88,754
2009
$8,280
$44,340 + $56,080
$100,420
*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
2.81 Acres
Year renovated
—
Sq. Ft.
—
Year built
—
Style
Single Family Residential
County
Boulder County
APN
R0109302
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 2, 2026.
A
Agricultural District
Rural areas where conservation of agricultural resources is of major value, and where residential development compatible with agricultural uses is allowed.
Permitted uses
Include but are not limited to:
Agriculture
Equestrian facility
Livestock production
Religious facility
Day care facility
Housing-Group
Housing-Single unit
Bed & breakfast
Educational/school
Kennel
Property details
Exterior
Property Information
Property Type: Land
Property Sub Type: Unimproved Land
Ownership: Builder
Lot Information
Lot Size Square Feet: 122,403.6
Lot Size Acres: 2.81
Lot Number: 8
Lot Features: Foothills, Open Space, Rolling Slope
Water Source: Public
Road Surface Type: Paved
Road Frontage Type: Private Road
Road Responsibility: Private Maintained Road
Zoning: Resi
Financial
Tax Information
Tax Annual Amount: $2,384
Tax Year: 2023
Parcel Number: 1319120-01-008
Utilities
Utility Information
Utilities: Cable Available, Electricity Available, Natural Gas Available
Sewer: Septic Tank
Location
HOA Information
Has Association
Association Name: Mountain Ridge HOA
Association Management Type: Professionally Managed
Association Fee: $1,400
Association Fee Frequency: Quarterly
Association Fee Annual: $5,600
Association Fee Total Annual: $5,600
Association Fee Includes: Snow Removal
Association Phone: 303-440-0400
School Information
Elementary School District: St. Vrain Valley RE-1J
Middle Or Junior School District: St. Vrain Valley RE-1J
High School District: St. Vrain Valley RE-1J
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 2.81 acres
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Boulder County
APN: R0109302
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Blue Mountain Elementary School
Public PreK-5 • Assigned • 6.1mi
10/10
Altona Middle School
Public 6-8 • Assigned • 6.7mi
10/10
Silver Creek High School
Public 9-12 • Assigned • 6.4mi
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
4% chance of being in a wildfire in next 30 years
2/10 Heat Factor
3 days above 91° expected this year, 6 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, 3 days in 30 years
Provided by First Street
Historical weather
Boulder, CO • 80302
Average low and high temperatures (°F)
37
18
45
25
54
34
54
34
60
41
74
53
81
60
78
58
70
50
62
42
49
32
47
30
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.5 hours in
June and 6 hours in December, placing it above the
U.S. average for solar exposure.
10.5 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$645,000 – $781,000
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