Date
Details
Price
Change
Source
11/06/2009
Sold
$192,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$800,000 Sale Pending
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Property Description
One of a kind home within walking distance to Historic Downtown Castle Rock. Over $280K in upgrades, see Supplements This home has a separate Walk-Out 2 Bed, 1 Bath Apartment in the basement with it's own entrance and full kitchen.
Full Property Details
Full Property Details for 521 Anderson St
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General
- Price: $800,000
- Taxes: $2,455 (2025)
- Status: Pending
- Type: Single Family
- Source: MetroList_Colorado
- MLS ID: 9250676
- Updated: 4/7/2026
- Added to Site: 2 day(s) ago
Interior
- Interior Features: Ceiling Fan(s), High Speed Internet, Kitchen Island, Open Floorplan, Quartz Counters, Smoke Free, Hot Tub
- Appliances: Dishwasher, Disposal, Dryer, Gas Water Heater, Microwave, Range, Range Hood, Refrigerator, Self Cleaning Oven, Washer, Water Softener
- Furnishings: Unfurnished
Rooms
Bathrooms
- Total Bathrooms: 2
- 3/4 Bathrooms: 2
- Main Floor Baths: 1
- Basement Baths: 1
Bedrooms
- Total Bedrooms: 3
- Bedrooms Main: 1
Other Rooms
- Laundry: Laundry Closet
Additional Information
- Security/Safety: Carbon Monoxide Detector(s), Smart Locks, Smoke Detector(s)
Exterior
- Exterior Features: Balcony, Dog Run, Playground, Private Yard, Spa/Hot Tub
- Porch/Patio/Deck: Deck, Front Porch, Patio
Parking
- Garage: Yes
- Garage Spaces: 2
- Total Spaces: 2
- Parking Features: Oversized, Tandem
Location
- County: Douglas
- Subdivision: Grandview Addition
- Driving Directions: GPS
- Direction Faces: East
School Information
- Elem School District: Douglas RE-1
- Midd School District: Douglas RE-1
- High School District: Douglas RE-1
- Elementary School: South Ridge
- Middle School: Mesa
- High School: Douglas County
Community
- Pets Allowed: Yes
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Forced Air
Utilities
- Gas: Yes
- Sewer: Public Sewer
- Water: Public
- Utility Description: Cable Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected
Structural Information
- Architectural Style: Contemporary
- Structure Type: House
- Construction: Frame
- Basement: Yes
- Basement Desc.: Finished, Full, Walk-Out Access
- Roof: Composition
- Windows: Double Pane Windows
- Square Feet: 1,939
- Sq. Ft. Source: Public Records
- Living Area: 1,882 Sq. Ft.
- Current Bldg. Use: Live/Work
- Year Built: 1966
- Property Condition: Updated/Remodeled
Lot Features
- Lot Size (Acres): 0.15
- Lot Size (Sq. Ft.): 6,403
- Fence: Yes
- Lot Features: Corner Lot, Landscaped, Sprinklers In Front, Sprinklers In Rear
- Zoning: SFR
- Fencing (Description): Full
Financial Considerations
- Tax Amount: $2,455
- Tax Year: 2025
- Terms: Cash, Conventional, FHA, Jumbo, VA Loan
Disclosures and Reports
- Ownership: Individual
- Special Conditions: None
- Legal Description: LOT 1 BLK 5 GRANDVIEW ADD TO CASTLE ROCK 0.147 AM/L
- Exclusions: No Exclusions
- Property ID: R0080549
Listed by Newman Realty Group
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Listing agents
— 521 Anderson St —
Newman Realty Group
Newman Realty Group
greg@newmanrg.com,303-903-7160
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 521 Anderson St
School District:Douglas County School District Re-1
| Name | Grades | Distance |
|---|---|---|
South Ridge Elementary An Ib World School 1100 South Street, Castle Rock, CO 80104 | K-6 | 0.6 mi |
Mesa Middle School 365 North Mitchell Street, Castle Rock, CO 80104 | 7-8 | 3 mi |
Douglas County High School 2842 Front Street, Castle Rock, CO 80104 | 9-12 | 1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 521 Anderson St
Tax History
Tax History for 521 Anderson St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$2,455
12%
$32,440
-8%
2024
$2,193
-1%
$35,330
—
2023
$2,223
18%
$35,330
26%
2021
$1,888
4%
$27,930
3%
2022
$1,808
9%
$27,140
11%
2020
$1,663
-1%
$24,420
—
2019
$1,672
30%
$24,420
33%
2018
$1,290
9%
$18,380
—
2017
$1,181
20%
$18,380
23%
2016
$987
-3%
$14,950
—
2015
$1,015
25%
$14,950
36%
2013
$811
—
$10,960
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 521 Anderson St
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521 Anderson Street, Castle Rock, CO 80104 (MLS# 9250676) is a Single Family property with 3 bedrooms, 0 full bathrooms and 2 partial bathrooms. 521 Anderson Street is currently listed for $800,000 and was received on April 07, 2026. Want to learn more about 521 Anderson Street? Do you have questions about finding other Single Family real estate for sale in Castle Rock? You can browse all Castle Rock real estate or contact a Coldwell Banker agent to request more information.