990 Diamond Ridge Cir is a 6,180 square foot house on a 1.2 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on April 21, 2004 for $1,010,100. Based on Redfin's Castle Rock data, we estimate the home's value is $1,842,500.
Single-familyProperty Type
1999Year Built
1.2 acresLot Size
$298Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,842,500
$832K since sold in April 2004$19K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.1% higher than the average sale price ($1.69M) of 6 comparable homes.
Monica Davidson • Realty One Group Premier Colorado
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Provided by Redfin
Sale history for 990 Diamond Ridge Cir
Date
Event
Price
Public Records
Apr 21, 2004
Sold
$1,010,100
$163/sq ft
Public Records
Dec 18, 1996
Sold
$123,000
$20/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$7,267 (−10.4%)
$57,000 + $39,040
$96,040
2024
$8,111 (−1.4%)
$57,000 + $39,040
$96,040
2023
$8,224 (+61.0%)
$63,020 + $57,750
$120,770
2022
$5,107 (−4.2%)
$39,130 + $37,510
$76,640
2021
$5,331 (−0.6%)
$40,260 + $38,590
$78,850
2020
$5,363 (−0.5%)
$32,360 + $46,380
$78,740
2019
$5,391 (−5.2%)
$32,360 + $46,380
$78,740
2018
$5,687 (+9.2%)
$32,360 + $46,380
$78,740
2017
$5,206 (−3.4%)
$28,210 + $52,790
$81,000
2016
$5,391 (−2.8%)
$28,210 + $52,790
$81,000
2015
$5,545 (+19.4%)
$28,310 + $53,390
$81,700
2014
$4,644
$28,310 + $53,390
$81,700
2013
$4,644 (+5.1%)
$10,530 + $52,250
$62,780
2012
$4,420
$10,530 + $52,250
$62,780
2011
$4,421 (−33.4%)
$23,800 + $35,580
$59,380
2010
$6,636 (+0.2%)
$23,800 + $35,580
$59,380
2009
$6,622
$28,840 + $62,620
$91,460
Tax history for 990 Diamond Ridge Cir
Year
Property tax
Land + Additions
Assessment*
2025
$7,267 (−10.4%)
$57,000 + $39,040
$96,040
2024
$8,111 (−1.4%)
$57,000 + $39,040
$96,040
2023
$8,224 (+61.0%)
$63,020 + $57,750
$120,770
2022
$5,107 (−4.2%)
$39,130 + $37,510
$76,640
2021
$5,331 (−0.6%)
$40,260 + $38,590
$78,850
2020
$5,363 (−0.5%)
$32,360 + $46,380
$78,740
2019
$5,391 (−5.2%)
$32,360 + $46,380
$78,740
2018
$5,687 (+9.2%)
$32,360 + $46,380
$78,740
2017
$5,206 (−3.4%)
$28,210 + $52,790
$81,000
2016
$5,391 (−2.8%)
$28,210 + $52,790
$81,000
2015
$5,545 (+19.4%)
$28,310 + $53,390
$81,700
2014
$4,644
$28,310 + $53,390
$81,700
2013
$4,644 (+5.1%)
$10,530 + $52,250
$62,780
2012
$4,420
$10,530 + $52,250
$62,780
2011
$4,421 (−33.4%)
$23,800 + $35,580
$59,380
2010
$6,636 (+0.2%)
$23,800 + $35,580
$59,380
2009
$6,622
$28,840 + $62,620
$91,460
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
PD
Planned Development District
In accordance with Section 24-67-101, the Planned Unit Development Act of 1972, the purpose of the PD District is: To permit diversification and innovation in community development while maintaining public safety, convenience, health and general welfare; To preserve to the greatest extent possible the existing landscape features and amenities and to utilize such features in a harmonious fashion; To promote the efficient use of land to facilitate a more economic arrangement of buildings, circulation systems and utilities; To promote flexibility in design and permit planned diversification in the location and use of structures; To allow compatible land uses to be developed in accordance with a general development plan which has been designed to be in harmony with surrounding neighborhoods; To combine and coordinate architectural styles, building forms and building relationships within the planned developments; To improve the design, character and quality of new development; To promote the beneficial and economical use of land in the physical and economic development of the Town; and To provide for necessary commercial, recreational, employment and educational facilities conveniently located to housing.
Dec 22, 1999 • Final
Residential new
Construct a new single-family home.
New construction
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
County Use Description: RES SINGLE FAMILY IMPROVEMENTS
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 6,180
Stories: 2.0
Lot Size: 1.2 acres
Style: Single Family Residential
Year Built: 1999
Year Renovated: —
County: Douglas County
APN: R0394394
Home facts updated by county records on Oct 12, 2026
Around this home
Schools
Sage Canyon Elementary School
Public PreK-6 • Assigned • 2.5mi
8/10
Mesa Middle School
Public 6-8 • Assigned • 4.2mi
6/10
Douglas County High School
Public 9-12 • Assigned • 1.9mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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