Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$670,000$141 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $585,000 on Sep 3, 2021

9306 ROCK LYNN CIR

WALDORF, MD 20603
3.5
Baths
4,748 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$670K
$657K low$683K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$585,000 · Sep 3, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,148 (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.$627,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$477,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$578,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$627,800

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.42
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
79
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyCHARLES
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
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, Attached
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 · 200 ft²Porch · 140 ft²

Transaction History(3)

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
Billingsley Elementary SchoolD
Elementary · Grades PK–5 · 1.8 mi
M
Matthew Henson Middle SchoolC
Middle · Grades 6–8 · 4.5 mi
H
Maurice J. McDonough High SchoolC+
High · Grades 9–12 · 4.5 mi

District: Charles County Public Schools

Neighborhood · ZIP 20603These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.35,700
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,070 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$140,522
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,916
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

9306 Rock Lynn Cir 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 more than 97% of homes in Waldorf 20603
  • Among the lowest price per square foot in Waldorf 20603
  • Among the largest homes in Waldorf 20603
  • Newer than 90% of homes in Waldorf 20603

What homes are worth in Waldorf 20603

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

This home
$296K$696K

This home is worth more than 97% of homes in Waldorf 20603.

How it measures up in Waldorf 20603

The dot is this home. The mark in the middle is the typical home in Waldorf 20603.

Estimated value$670,000
CheaperTypical $471,381Pricier

Pricier than 97% of homes nearby

Price per ft²$141
CheaperTypical $218Pricier

Cheaper than almost all homes nearby

Living area4,748 ft²
SmallerTypical 2,183 ft²Bigger

Bigger than almost all homes nearby

Lot size0.2 ac
SmallerTypical 0.19 acBigger

Bigger than 57% of homes nearby

Year built2015
OlderTypical 1996Newer

Newer than 90% of homes nearby

How 9306 Rock Lynn Cir ranks against every home in each area.
MeasureThis homeWaldorf 20603Charles County
Estimated valuepricier than$670,00097% of homes94% of homes
Price per ft²pricier than$141almost no homes2% of homes
Living areabigger than4,748 ft²almost all homesalmost all homes
Lot sizebigger than0.2 ac57% of homes39% of homes
Year builtnewer than201590% of homes87% of homes

About 9306 Rock Lynn Cir

How much is 9306 Rock Lynn Cir, Waldorf, MD worth?

The TopHap Estimate for 9306 Rock Lynn Cir, Waldorf, MD is $670,000 as of Aug 30, 2026. The likely range is $657,265 to $682,735. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9306 Rock Lynn Cir, Waldorf, MD last sell?

9306 Rock Lynn Cir, Waldorf, MD last sold on Sep 3, 2021 for $585,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 9306 Rock Lynn Cir, Waldorf, MD?

9306 Rock Lynn Cir, Waldorf, MD has 3.5 bathrooms, 4,748 square feet of living space and a 0.20-acre lot.

When was 9306 Rock Lynn Cir, Waldorf, MD built?

9306 Rock Lynn Cir, Waldorf, MD was built in 2015, making it 11 years old. The building has 2 stories.

What schools serve 9306 Rock Lynn Cir, Waldorf, MD?

9306 Rock Lynn Cir, Waldorf, MD is assigned to Billingsley Elementary School (elementary), rated D; Matthew Henson Middle School (middle), rated C; Maurice J. McDonough High School (high), rated C+. All sit in Charles County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9306 Rock Lynn Cir, Waldorf, MD compare to other homes in Waldorf 20603?

Among the 11,008 homes in Waldorf 20603, it is worth more than 97% of them ($670,000 against a typical $471,381), its price per square foot is higher than almost none of them ($141 against a typical $218), it is bigger than almost all of them (4,748 ft² against a typical 2,183 ft²), its lot is bigger than 57% of them (0.2 ac against a typical 0.19 ac) and it is newer than 90% of them (2015 against a typical 1996). Measured against all of Charles County, it is worth more than 94% 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 9306 Rock Lynn Cir, Waldorf, MD?

The 2025 property tax bill for 9306 Rock Lynn Cir, Waldorf, MD was $24,148. The county assessed it at $627,800.

More homes on Rock Lynn Cir

Closest homes

More homes in Waldorf 20603

Assigned schools

Explore the area

See this home in context

Open 9306 Rock Lynn Cir on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map