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Residential (General/Single)Residential
$541,509
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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

OPEN SPACE

RIVA, MD 21140
0
Baths
18.38 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$542K
$489K low$594K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$541,509
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$433,207

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,276 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$91,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$82,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$100,200

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.5
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
9
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.Residential (General/Single)
CountyAnne Arundel
Lot (acres)The size of the land the home sits on, from county records.18.38
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Boat access

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

H
South River High SchoolA-
High · Grades 9–12 · 2.4 mi
M
Central Middle SchoolA-
Middle · Grades 6–8 · 2.6 mi
E
Davidsonville Elementary SchoolA
Elementary · Grades KG–5 · 3.5 mi

District: Anne Arundel County Public Schools

Neighborhood · ZIP 21140These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,741
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,547 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,675
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$180,517
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Ownership

Company ownedWhether the owner is a company or trust rather than a person.Yes

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

Open Space 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 69% of homes in Riva 21140
  • Among the largest lots in Riva 21140

What homes are worth in Riva 21140

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

This home
$305K$1.7M

This home is worth more than 31% of homes in Riva 21140.

How it measures up in Riva 21140

The dot is this home. The mark in the middle is the typical home in Riva 21140.

Estimated value$541,509
CheaperTypical $671,107Pricier

Pricier than 31% of homes nearby

Lot size18.38 ac
SmallerTypical 0.28 acBigger

Bigger than almost all homes nearby

How Open Space ranks against every home in each area.
MeasureThis homeRiva 21140Anne Arundel County
Estimated valuepricier than$541,50931% of homes56% of homes
Lot sizebigger than18.38 acalmost all homesalmost all homes

About Open Space

How much is Open Space, Riva, MD worth?

The TopHap Estimate for Open Space, Riva, MD is $541,509 as of Jul 14, 2026. The likely range is $488,553 to $594,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Open Space, Riva, MD last sell?

Open Space, Riva, MD last sold on Mar 3, 1982, according to the county's recorded deed.

What schools serve Open Space, Riva, MD?

Open Space, Riva, MD is assigned to South River High School (high), rated A-; Central Middle School (middle), rated A-; Davidsonville Elementary School (elementary), rated A. All sit in Anne Arundel County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Open Space, Riva, MD compare to other homes in Riva 21140?

Among the 1,406 homes in Riva 21140, it is worth more than 31% of them ($541,509 against a typical $671,107) and its lot is bigger than almost all of them (18.38 ac against a typical 0.28 ac). Measured against all of Anne Arundel County, it is worth more than 56% 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 Open Space, Riva, MD?

The 2025 property tax bill for Open Space, Riva, MD was $1,276. The county assessed it at $91,500.

More homes on Open Space

Closest homes

More homes in Riva 21140

Assigned schools

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