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Single Family ResidenceResidential
$327,989$255 / 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 94How 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

309 ROCK SPRINGS RD

CONOWINGO, MD 21918
1
Baths
1,286 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.
1.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$328K
$309K low$347K 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.$192,989
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$154,391
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.48%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$135,000
ROCKET MORTGAGE LLC · recorded Dec 22, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,449 (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.$227,633 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$222,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$238,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyCECIL
Lot (acres)The size of the land the home sits on, from county records.1.60
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 240 ft²Porch · 72 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Conowingo Elementary SchoolB
Elementary · Grades PK–5 · 1.0 mi
M
Rising Sun Middle SchoolA-
Middle · Grades 6–8 · 5.5 mi
H
Rising Sun High SchoolB
High · Grades 9–12 · 10.5 mi

District: Cecil County Public Schools

Neighborhood · ZIP 21918These 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.110
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 100.65

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.9.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.4,371
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.226 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,570
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,724
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

309 Rock Springs 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 76% of homes in Conowingo 21918
  • Costs more per square foot than 68% of homes in Cecil County
  • Smaller than 69% of homes in Cecil County
  • Has a bigger lot than 80% of homes in Cecil County
  • Older than 83% of homes in Conowingo 21918

What homes are worth in Conowingo 21918

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

This home
$188K$732K

This home is worth more than 24% of homes in Conowingo 21918.

How it measures up in Conowingo 21918

The dot is this home. The mark in the middle is the typical home in Conowingo 21918.

Estimated value$327,989
CheaperTypical $386,760Pricier

Pricier than 24% of homes nearby

Price per ft²$255
CheaperTypical $260Pricier

Pricier than 46% of homes nearby

Living area1,286 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 38% of homes nearby

Lot size1.6 ac
SmallerTypical 1.13 acBigger

Bigger than 63% of homes nearby

Year built1955
OlderTypical 1988Newer

Newer than 17% of homes nearby

How 309 Rock Springs Rd ranks against every home in each area.
MeasureThis homeConowingo 21918Cecil County
Estimated valuepricier than$327,98924% of homes40% of homes
Price per ft²pricier than$25546% of homes68% of homes
Living areabigger than1,286 ft²38% of homes31% of homes
Lot sizebigger than1.6 ac63% of homes80% of homes
Year builtnewer than195517% of homes20% of homes

About 309 Rock Springs Rd

How much is 309 Rock Springs Rd, Conowingo, MD worth?

The TopHap Estimate for 309 Rock Springs Rd, Conowingo, MD is $327,989 as of Jul 14, 2026. The likely range is $309,058 to $346,920. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Rock Springs Rd, Conowingo, MD last sell?

309 Rock Springs Rd, Conowingo, MD last sold on Nov 4, 2004, according to the county's recorded deed.

How big is 309 Rock Springs Rd, Conowingo, MD?

309 Rock Springs Rd, Conowingo, MD has 1 bathrooms, 1,286 square feet of living space and a 1.60-acre lot.

When was 309 Rock Springs Rd, Conowingo, MD built?

309 Rock Springs Rd, Conowingo, MD was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 309 Rock Springs Rd, Conowingo, MD?

309 Rock Springs Rd, Conowingo, MD is assigned to Conowingo Elementary School (elementary), rated B; Rising Sun Middle School (middle), rated A-; Rising Sun High School (high), rated B. All sit in Cecil County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Rock Springs Rd, Conowingo, MD compare to other homes in Conowingo 21918?

Among the 1,394 homes in Conowingo 21918, it is worth more than 24% of them ($327,989 against a typical $386,760), its price per square foot is higher than 46% of them ($255 against a typical $260), it is bigger than 38% of them (1,286 ft² against a typical 1,440 ft²), its lot is bigger than 63% of them (1.6 ac against a typical 1.13 ac) and it is newer than 17% of them (1955 against a typical 1988). Measured against all of Cecil 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 309 Rock Springs Rd, Conowingo, MD?

The 2025 property tax bill for 309 Rock Springs Rd, Conowingo, MD was $2,449. The county assessed it at $227,633.

Closest homes

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Assigned schools

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