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Single Family ResidenceResidential
$129,582$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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

4121 BART ST

PORTSMOUTH, VA 23707
1
Baths
508 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$130K
$106K low$153K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,482 (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.$106,040 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,790
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$71,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$103,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$106,040

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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.1 percent flood zone

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.Cottage
CountyPORTSMOUTH CITY
Lot (acres)The size of the land the home sits on, from county records.0.08
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.None
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
Westhaven Elementary SchoolF
Elementary · Grades KG–6 · 0.3 mi
H
Manor High SchoolC-
High · Grades 9–12 · 1.8 mi
M
William E. Waters Middle SchoolD-
Middle · Grades 7–8 · 2.5 mi

District: Portsmouth City Public Schools

Neighborhood · ZIP 23707These 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.135
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 100.26

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.14,578
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,692 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$53,523
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,323
Average tempThe average temperature here across a full year.59°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.63%

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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

4121 Bart St 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.

  • Among the least valuable homes in Portsmouth 23707
  • Costs more per square foot than 97% of homes in Portsmouth 23707
  • Among the smallest homes in Portsmouth 23707
  • Has a smaller lot than 93% of homes in Portsmouth 23707
  • Older than 88% of homes in Portsmouth city County

What homes are worth in Portsmouth 23707

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

This home
$138K$492K

This home is worth less than almost all homes in Portsmouth 23707.

How it measures up in Portsmouth 23707

The dot is this home. The mark in the middle is the typical home in Portsmouth 23707.

Estimated value$129,582
CheaperTypical $258,630Pricier

Cheaper than almost all homes nearby

Price per ft²$255
CheaperTypical $180Pricier

Pricier than 97% of homes nearby

Living area508 ft²
SmallerTypical 1,448 ft²Bigger

Smaller than almost all homes nearby

Lot size3,485 ft²
SmallerTypical 0.16 acBigger

Bigger than 7% of homes nearby

Year built1930
OlderTypical 1949Newer

Newer than 19% of homes nearby

How 4121 Bart St ranks against every home in each area.
MeasureThis homePortsmouth 23707Portsmouth city County
Estimated valuepricier than$129,582almost no homes2% of homes
Price per ft²pricier than$25597% of homes96% of homes
Living areabigger than508 ft²almost no homesalmost no homes
Lot sizebigger than3,485 ft²7% of homes9% of homes
Year builtnewer than193019% of homes12% of homes

About 4121 Bart St

How much is 4121 Bart St, Portsmouth, VA worth?

The TopHap Estimate for 4121 Bart St, Portsmouth, VA is $129,582 as of Oct 21, 2026. The likely range is $105,946 to $153,218. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4121 Bart St, Portsmouth, VA last sell?

4121 Bart St, Portsmouth, VA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4121 Bart St, Portsmouth, VA?

4121 Bart St, Portsmouth, VA has 1 bathrooms, 508 square feet of living space and a 0.08-acre lot.

When was 4121 Bart St, Portsmouth, VA built?

4121 Bart St, Portsmouth, VA was built in 1930, making it 96 years old. It is a cottage home. The building has 1 story.

What schools serve 4121 Bart St, Portsmouth, VA?

4121 Bart St, Portsmouth, VA is assigned to Westhaven Elementary School (elementary), rated F; Manor High School (high), rated C-; William E. Waters Middle School (middle), rated D-. All sit in Portsmouth City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4121 Bart St, Portsmouth, VA compare to other homes in Portsmouth 23707?

Among the 5,009 homes in Portsmouth 23707, it is worth more than almost none of them ($129,582 against a typical $258,630), its price per square foot is higher than 97% of them ($255 against a typical $180), it is bigger than almost none of them (508 ft² against a typical 1,448 ft²), its lot is bigger than 7% of them (3,485 ft² against a typical 0.16 ac) and it is newer than 19% of them (1930 against a typical 1949). Measured against all of Portsmouth city County, it is worth more than 2% 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 4121 Bart St, Portsmouth, VA?

The 2025 property tax bill for 4121 Bart St, Portsmouth, VA was $1,482. The county assessed it at $106,040.

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