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Single Family ResidenceResidential
$239,467$599 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 40How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

523 CASTLE ROCK RD

SOUTH FORK, CO 81154
1
Beds
1
Baths
400 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1993
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$239K
$96K low$383K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$453 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$7,028 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$290
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,738
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,028
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$104,900

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
41
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
50
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
48
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Tlog Home
CountyRio Grande
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2004
ConstructionThe main material the home's frame and walls are built from.Log
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
HeatingThe type of heating system in the home.Electric
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Underwood Elementary School
Elementary · Grades KG–4 · 7.5 mi
H
Del Norte High SchoolD
High · Grades 9–12 · 12.6 mi
M
Del Norte Middle SchoolD
Middle · Grades 5–8 · 12.6 mi

District: Del Norte School District C-7

Neighborhood · ZIP 81154These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.46%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.1,082
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,645
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,040
Average tempThe average temperature here across a full year.35°F
Annual precipHow much rain and melted snow falls here in a typical year.33 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.81%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

523 Castle Rock Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 84% of homes in South Fork 81154
  • Costs more per square foot than 98% of homes in Rio Grande County
  • Smaller than 98% of homes in Rio Grande County
  • Newer than 66% of homes in Rio Grande County

What homes are worth in South Fork 81154

Each bar is how many homes fall in that price range. The marker is this home.

This home
$126K$1.5M

This home is worth more than 16% of homes in South Fork 81154.

How it measures up in South Fork 81154

The dot is this home. The mark in the middle is the typical home in South Fork 81154.

Estimated value$239,467
CheaperTypical $459,716Pricier

Pricier than 16% of homes nearby

Price per ft²$599
CheaperTypical $294Pricier

Pricier than 96% of homes nearby

Living area400 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 3% of homes nearby

Year built1993
OlderTypical 1995Newer

Newer than 47% of homes nearby

How 523 Castle Rock Rd ranks against every home in each area.
MeasureThis homeSouth Fork 81154Rio Grande County
Estimated valuepricier than$239,46716% of homes40% of homes
Price per ft²pricier than$59996% of homes98% of homes
Living areabigger than400 ft²3% of homes2% of homes
Year builtnewer than199347% of homes66% of homes

About 523 Castle Rock Rd

How much is 523 Castle Rock Rd, South Fork, CO worth?

The TopHap Estimate for 523 Castle Rock Rd, South Fork, CO is $239,467 as of Sep 24, 2026. The likely range is $96,309 to $382,625. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 523 Castle Rock Rd, South Fork, CO last sell?

523 Castle Rock Rd, South Fork, CO last sold on Nov 9, 2022, according to the county's recorded deed.

How big is 523 Castle Rock Rd, South Fork, CO?

523 Castle Rock Rd, South Fork, CO has 1 bedrooms, 1 bathrooms and 400 square feet of living space.

When was 523 Castle Rock Rd, South Fork, CO built?

523 Castle Rock Rd, South Fork, CO was built in 1993, making it 33 years old. It is a tlog home home.

What schools serve 523 Castle Rock Rd, South Fork, CO?

523 Castle Rock Rd, South Fork, CO is assigned to Underwood Elementary School (elementary); Del Norte High School (high), rated D; Del Norte Middle School (middle), rated D. All sit in Del Norte School District C-7. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 523 Castle Rock Rd, South Fork, CO compare to other homes in South Fork 81154?

Among the 2,031 homes in South Fork 81154, it is worth more than 16% of them ($239,467 against a typical $459,716), its price per square foot is higher than 96% of them ($599 against a typical $294), it is bigger than 3% of them (400 ft² against a typical 1,600 ft²) and it is newer than 47% of them (1993 against a typical 1995). Measured against all of Rio Grande County, it is worth more than 40% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 523 Castle Rock Rd, South Fork, CO?

The 2024 property tax bill for 523 Castle Rock Rd, South Fork, CO was $453. The county assessed it at $7,028.

More homes on Castle Rock Rd

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More homes in South Fork 81154

Assigned schools

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