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Single Family ResidenceResidential
$602,374$253 / 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

3400 NORTHUMBERLAND PL

ROSWELL, GA 30075
4
Beds
4 / 1
Baths
2,377 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$602K
$566K low$639K 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.$267,374
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$213,899
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.57%
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.$250,000
LGE COMMUNITY CU · recorded Feb 19, 2021
2nd 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.$85,000
LGE COMMUNITY CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,389 (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.$228,652 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$176,652
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$426,270
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$571,630

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.48
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
85
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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.Split Level
CountyCobb
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
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 · 132 ft²Patio · 596 ft²Porch · 28 ft²

Transaction History(6)

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
Shallowford Falls Elementary SchoolB
Elementary · Grades KG–5 · 0.6 mi
H
Lassiter High SchoolA+
High · Grades 9–12 · 2.8 mi
M
Simpson Middle SchoolA-
Middle · Grades 6–8 · 2.9 mi

District: Cobb County School District

Neighborhood · ZIP 30075These 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.28
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.58,252
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,908 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,563
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,915
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.54 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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

3400 Northumberland Pl 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 76% of homes in Cobb County
  • Costs more per square foot than 77% of homes in Cobb County
  • Has a smaller lot than 77% of homes in Roswell 30075
  • Older than 71% of homes in Roswell 30075

What homes are worth in Roswell 30075

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

This home
$297K$1.9M

This home is worth more than 29% of homes in Roswell 30075.

How it measures up in Roswell 30075

The dot is this home. The mark in the middle is the typical home in Roswell 30075.

Estimated value$602,374
CheaperTypical $711,392Pricier

Pricier than 29% of homes nearby

Price per ft²$253
CheaperTypical $272Pricier

Pricier than 33% of homes nearby

Living area2,377 ft²
SmallerTypical 2,648 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.24 ac
SmallerTypical 0.44 acBigger

Bigger than 23% of homes nearby

Year built1981
OlderTypical 1987Newer

Newer than 29% of homes nearby

How 3400 Northumberland Pl ranks against every home in each area.
MeasureThis homeRoswell 30075Cobb County
Estimated valuepricier than$602,37429% of homes76% of homes
Price per ft²pricier than$25333% of homes77% of homes
Living areabigger than2,377 ft²39% of homes63% of homes
Lot sizebigger than0.24 ac23% of homes43% of homes
Year builtnewer than198129% of homes31% of homes

About 3400 Northumberland Pl

How much is 3400 Northumberland Pl, Roswell, GA worth?

The TopHap Estimate for 3400 Northumberland Pl, Roswell, GA is $602,374 as of Jul 14, 2026. The likely range is $566,203 to $638,545. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3400 Northumberland Pl, Roswell, GA?

3400 Northumberland Pl, Roswell, GA has 4 bedrooms, 4 bathrooms and 2,377 square feet of living space.

When was 3400 Northumberland Pl, Roswell, GA built?

3400 Northumberland Pl, Roswell, GA was built in 1981, making it 45 years old. It is a split level home. The building has 2 stories.

What schools serve 3400 Northumberland Pl, Roswell, GA?

3400 Northumberland Pl, Roswell, GA is assigned to Shallowford Falls Elementary School (elementary), rated B; Lassiter High School (high), rated A+; Simpson Middle School (middle), rated A-. All sit in Cobb County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3400 Northumberland Pl, Roswell, GA compare to other homes in Roswell 30075?

Among the 19,348 homes in Roswell 30075, it is worth more than 29% of them ($602,374 against a typical $711,392), its price per square foot is higher than 33% of them ($253 against a typical $272), it is bigger than 39% of them (2,377 ft² against a typical 2,648 ft²), its lot is bigger than 23% of them (0.24 ac against a typical 0.44 ac) and it is newer than 29% of them (1981 against a typical 1987). Measured against all of Cobb County, it is worth more than 76% 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 3400 Northumberland Pl, Roswell, GA?

The 2025 property tax bill for 3400 Northumberland Pl, Roswell, GA was $5,389. The county assessed it at $228,652.

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Assigned schools

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