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4078 Happy Hollow Dr, Castle Rock, CO, 80104

3beds
2baths
1,768sqft
$520,000
$294price/sqft
$3,326/moest. monthly cost
$133,040/yrincome needed

About This Home

Newer build. Lock-and-leave lifestyle. Terrain amenities. And up to $14, 000 from our preferred lender to make the numbers sing. Welcome to low-maintenance living done right: a 2019-built paired home in Terrain, one of Castle Rock's most amenity-rich communities, with a price improvement that makes this one of the smartest entry points in the area. Start with the community, because Terrain is the headline. Two pools, a dog park, miles of walking trails, and a real neighborhood events calendar make it the kind of place where you actually meet your neighbors: at the pool, on the trail, or at a Saturday morning event. It's an amenity package most Castle Rock communities can't match. The home itself delivers three bedrooms, a bright open main level, and a kitchen that anchors the space with modern finishes and a layout that just works. The primary suite is thoughtfully designed, and the additional bedrooms flex easily between guest room, home office, or hobby space. Natural light pours through every room, and the whole home feels current, clean, and move-in ready. Then there's the lifestyle. Exterior front yard maintenance is handled, turf backyard requires 0 mowing, and your weekends finally belong to you again. No more Saturdays lost to mowing or spring weekends fighting weeds. Lock the door, head to the mountains, and come home to a house that's still in great shape. (Oh, and the HOA shovels to YOUR FRONT DOOR when it snows 3" or more!) You're minutes from downtown Castle Rock, shopping, dining, schools, and quick I-25 access for the commute.

Getting Around

0
WalkingCar-Dependent
0
TransitVery Limited Transit
9
BikeSomewhat Bikeable

Schools

6/10
8/10
9/10
Rock Canyon High SchoolGrades 9-126.4 mi

Construction

Condition

  • Year built: 2019

Materials

  • Roof: Composition
  • Construction materials: Frame,Stone

Other

  • Builder name: KB Home

Type & Style

  • Home type: MultiFamily
  • Architectural style: Chalet
  • Property subType: Duplex

Interior

Appliances

  • Appliances included: Dishwasher,Washer,Dryer,Microwave,Fire Alarm

Basement

  • Has basement: Yes
  • Basement: Crawl Space, Built-In Radon, Radon Test Available

Bedrooms & Bathrooms

  • Bedrooms: 3
  • Bathrooms: 2
  • Full bathrooms: 1
  • 3/4 bathrooms: 1

Features

  • Eat-in Kitchen,Open Floorplan,Walk-In Closet(s),Kitchen Island
  • Window features: Window Coverings
  • Fireplace features: Living Room,One
  • Fireplace: Yes
  • Finished area above ground: 1,768

Heating & Cooling

  • Heating features: Forced Air
  • Cooling features: Central Air,Ceiling Fan(s)

Interior Area

  • Total interior livable area: 1,768 sqft

Property

Details

  • Parcel number: R0602202
  • Attached to another structure: Yes
  • Exclusions: NONE

Features

  • Levels: One
  • Patio & porch: Patio,Deck
  • Fencing: Fenced

Lot

  • Lot size: 4,356 sqft
  • Features: Level

Parking

  • Total spaces: 2
  • Parking features: Attached
  • Has garage: Yes
  • Attached garage spaces: 2

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Lightning
    LightningVery High
  • Hail
    HailRelatively High
  • Winter Weather
    Winter WeatherRelatively High
  • Inland Flooding
    Inland FloodingModerate
  • Strong Wind
    Strong WindModerate
  • Tornado
    TornadoModerate
  • Wildfire
    WildfireModerate

How This Home’s Risks Compare

Lightning
Hail
Winter Weather
Inland Flooding
Strong Wind
Tornado
Wildfire

FEMA Declared Disasters Across Colorado Counties

Flood
Severe Storm
Tornado

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $2,629$31,548
Home Insurance *$265$3,180
Property Taxes $246$2,952
Electricity $186$2,232
Total$3,326$39,912
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$114,034/yr
40% on housing$99,780/yr
45% on housing$88,693/yr

Colorado FAIR Plan Programs

Colorado FAIR Plan

Covered
WildfireWildfire
Add-on available
HailHail
WindWind
Visit Website →

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 15.0%
15.0%
0%30.0%
Electricity Growth Rate10-year average: 2.2%
2.2%
0%15.0%
Property Taxes Growth Rate2-year average: 3.3%
3.3%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$294This listing

vs Other Active Listings

Avg $/sqft

ZIP 80104$218
Douglas County$245

vs Homes Sold Last Month

Median $/sqft

ZIP 80104$209
Douglas County$230

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

Price History

DateEventPrice
2026-04-28Price change$520,000
2026-03-11Price change$550,000
2026-02-24Listed for sale$575,000

For Sale by Agent

AgentJessica Lentz
BrokerageeXp Realty, LLC

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