Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$440,078$260 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $241,000 on Nov 17, 2003

21 OAK ST

DERRY, NH 03038
3
Beds
1.5
Baths
1,692 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$440K
$422K low$458K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$241,000 · Nov 17, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,171 (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.$430,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$199,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$230,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$467,590

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Conventional
CountyROCKINGHAM
Lot (acres)The size of the land the home sits on, from county records.0.19
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
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

Transaction History(4)

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
Grinnell Elementary SchoolD+
Elementary · Grades KG–5 · 0.5 mi
M
Gilbert H. Hood Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
H
Pinkerton AcademyD-
High · Grades 9–12 · 1.1 mi

District: Pinkerton Academy School District

Neighborhood · ZIP 03038These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
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.35,277
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.967 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,607
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,220
Average tempThe average temperature here across a full year.47°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.54%

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

21 Oak 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.

  • Worth less than 85% of homes in Rockingham County
  • Costs less per square foot than 94% of homes in Derry 03038
  • Bigger than 68% of homes in Derry 03038
  • Has a smaller lot than 88% of homes in Derry 03038
  • Older than 93% of homes in Derry 03038

What homes are worth in Derry 03038

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

This home
$217K$940K

This home is worth more than 32% of homes in Derry 03038.

How it measures up in Derry 03038

The dot is this home. The mark in the middle is the typical home in Derry 03038.

Estimated value$440,078
CheaperTypical $519,000Pricier

Pricier than 32% of homes nearby

Price per ft²$260
CheaperTypical $350Pricier

Pricier than 6% of homes nearby

Living area1,692 ft²
SmallerTypical 1,363 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.19 ac
SmallerTypical 1 acBigger

Bigger than 12% of homes nearby

Year built1911
OlderTypical 1984Newer

Newer than 7% of homes nearby

How 21 Oak St ranks against every home in each area.
MeasureThis homeDerry 03038Rockingham County
Estimated valuepricier than$440,07832% of homes15% of homes
Price per ft²pricier than$2606% of homes13% of homes
Living areabigger than1,692 ft²68% of homes47% of homes
Lot sizebigger than0.19 ac12% of homes14% of homes
Year builtnewer than19117% of homes8% of homes

About 21 Oak St

How much is 21 Oak St, Derry, NH worth?

The TopHap Estimate for 21 Oak St, Derry, NH is $440,078 as of Sep 24, 2026. The likely range is $421,719 to $458,437. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Oak St, Derry, NH last sell?

21 Oak St, Derry, NH last sold on Nov 17, 2003 for $241,000, according to the county's recorded deed.

How big is 21 Oak St, Derry, NH?

21 Oak St, Derry, NH has 3 bedrooms, 1.5 bathrooms, 1,692 square feet of living space and a 0.19-acre lot.

When was 21 Oak St, Derry, NH built?

21 Oak St, Derry, NH was built in 1911, making it 115 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Oak St, Derry, NH?

21 Oak St, Derry, NH is assigned to Grinnell Elementary School (elementary), rated D+; Gilbert H. Hood Middle School (middle), rated C; Pinkerton Academy (high), rated D-. All sit in Pinkerton Academy School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Oak St, Derry, NH compare to other homes in Derry 03038?

Among the 11,200 homes in Derry 03038, it is worth more than 32% of them ($440,078 against a typical $519,000), its price per square foot is higher than 6% of them ($260 against a typical $350), it is bigger than 68% of them (1,692 ft² against a typical 1,363 ft²), its lot is bigger than 12% of them (0.19 ac against a typical 1 ac) and it is newer than 7% of them (1911 against a typical 1984). Measured against all of Rockingham County, it is worth more than 15% 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 21 Oak St, Derry, NH?

The 2025 property tax bill for 21 Oak St, Derry, NH was $8,171. The county assessed it at $430,300.

More homes on Oak St

Closest homes

More homes in Derry 03038

Assigned schools

Explore the area

See this home in context

Open 21 Oak St 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