Duplex (2 Units, Any Combination)Residential
Last sold for $142,500 on Aug 27, 2008
21 THOMPSON ST
CONCORD, NH 03301
4
Beds
2
Baths
2,236 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$142,500 · Aug 27, 2008
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,477 (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.$222,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$133,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$223,200
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.6
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.
25
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMERRIMACK
Lot (acres)The size of the land the home sits on, from county records.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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(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.Foreclosure Filings(1)
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EHM
Mill Brook School
Elementary · Grades PK–2 · 1.6 mi
Concord High SchoolD+
High · Grades 9–12 · 2.2 mi
Rundlett Middle SchoolC-
Middle · Grades 6–8 · 2.3 mi
District: Concord School District
Neighborhood · ZIP 03301These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.112
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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.35,397
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.661 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,381
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,718
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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 homeData 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 Thompson 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.
- Bigger than 86% of homes in Concord Heights
- Has a smaller lot than 96% of homes in Merrimack County
- Older than 95% of homes in Concord Heights
How it measures up in Concord 03301
The dot is this home. The mark in the middle is the typical home in Concord 03301.
Living area2,236 ft²
SmallerTypical 1,588 ft²Bigger
Bigger than 76% of homes nearby
Lot size3,920 ft²
SmallerTypical 0.34 acBigger
Bigger than 12% of homes nearby
Year built1880
OlderTypical 1963Newer
Newer than 10% of homes nearby
| Measure | This home | Concord Heights | Concord 03301 | Merrimack County |
|---|---|---|---|---|
| Living areabigger than | 2,236 ft² | 86% of homes | 76% of homes | 69% of homes |
| Lot sizebigger than | 3,920 ft² | 12% of homes | 12% of homes | 4% of homes |
| Year builtnewer than | 1880 | 5% of homes | 10% of homes | 7% of homes |
About 21 Thompson St
When did 21 Thompson St, Concord, NH last sell?
21 Thompson St, Concord, NH last sold on Aug 27, 2008 for $142,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.
How big is 21 Thompson St, Concord, NH?
21 Thompson St, Concord, NH has 4 bedrooms, 2 bathrooms, 2,236 square feet of living space and a 0.09-acre lot.
When was 21 Thompson St, Concord, NH built?
21 Thompson St, Concord, NH was built in 1880, making it 146 years old. It is a duplex single home. The building has 2 stories.
What schools serve 21 Thompson St, Concord, NH?
21 Thompson St, Concord, NH is assigned to Mill Brook School (elementary); Concord High School (high), rated D+; Rundlett Middle School (middle), rated C-. All sit in Concord School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 Thompson St, Concord, NH compare to other homes in Concord 03301?
Among the 8,695 homes in Concord 03301, it is bigger than 76% of them (2,236 ft² against a typical 1,588 ft²), its lot is bigger than 12% of them (3,920 ft² against a typical 0.34 ac) and it is newer than 10% of them (1880 against a typical 1963). 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 Thompson St, Concord, NH?
The 2025 property tax bill for 21 Thompson St, Concord, NH was $6,477. The county assessed it at $222,500.
More homes on Thompson St
- 10 Thompson St8 bd · 8 ba · 4,352 ft² · Sold $1.4M · Apr 2026
- 13 Thompson St$461K2 bd · 1 ba · 1,790 ft² · Sold $337K · Nov 2023
- 41 Thompson St$368K3 bd · 1 ba · 1,296 ft² · Sold $285K · Nov 2022
- 28 Thompson St8 bd · 3.5 ba · 3,498 ft² · Sold $319K · Sep 2021
- 29 Thompson St$384K3 bd · 1 ba · 1,536 ft² · Sold $235K · Nov 2020
- 38 Thompson St # 40$583K3 bd · 2.5 ba · 2,482 ft² · Sold $168K · Mar 2012
- 17 Thompson St # 194 bd · 2 ba · 2,622 ft² · Sold $240K · Jul 2007
- 51 Thompson St$422K2 bd · 1.5 ba · 1,254 ft² · Sold $205K · Jun 2006
- 14 Thompson St5 bd · 4 ba · 3,032 ft² · Sold $300K · Jun 2004
- 16 Thompson St$466K3 bd · 2 ba · 2,161 ft² · Sold $269K · Dec 2002
- 33 Thompson St4 bd · 2 ba · 2,524 ft² · Sold $80K · Sep 1998
- 27 Thompson St5 bd · 3 ba · 2,889 ft² · Sold $85K · Oct 1997
Closest homes
- 6 Grant St$463K0 ft · 4 bd · 2 ba · 1,519 ft² · Sold $83K · May 1998
- 10 Allen St103 ft · 4 bd · 2 ba · 1,746 ft² · Sold $237K · May 2017
- 4 Grant St$461K103 ft · 3 bd · 1.5 ba · 1,688 ft² · Sold $445K · Jun 2025
- 8 Lincoln St$387K103 ft · 2 bd · 1.5 ba · 1,023 ft² · Sold $160K · Aug 2015
- 10 Grant St$460K114 ft · 3 bd · 1 ba · 1,156 ft² · Sold $164K · Jun 2010
- 5 Greeley St$344K142 ft · 3 bd · 1 ba · 846 ft² · Sold $245K · Jan 2021
- 9 Greeley St178 ft · 5 bd · 2.5 ba · 2,122 ft² · Sold $140K · Jul 2000
- 79 Myrtle St211 ft · 4 bd · 2 ba · 1,595 ft² · Sold $116K · Mar 2013
More homes in Concord 03301
- 3 New Castle St$640K3 bd · 2 ba · 1,914 ft² · Sold $640K · Oct 2026
- 47 Mulberry St$355K2 bd · 1.5 ba · 1,232 ft² · Sold $355K · Oct 2026
- 135 Liberty St$600K5 bd · 2.5 ba · 2,652 ft² · Sold $350K · Oct 2026
- 294 Portsmouth St$489K3 bd · 1.5 ba · 1,144 ft² · Sold $290K · Oct 2026
- 45 Penacook St$400K3 bd · 1 ba · 1,279 ft² · Sold $400K · Oct 2026
- 8 Conant Dr$411K2 bd · 1 ba · 907 ft² · Sold $410K · Oct 2026
- 4 Montgomery St$315K2 bd · 1.5 ba · 1,004 ft² · Sold $315K · Oct 2026
- 84 Branch Tpke$356K2 bd · 1.5 ba · 1,162 ft² · Sold $355K · Oct 2026
- 493 Clinton St$455K2 bd · 2 ba · 1,680 ft² · Sold $450K · Oct 2026
- 4 Farmwood Rd$499K3 bd · 1.5 ba · 1,808 ft² · Sold $342K · Oct 2026
- 76 Hot Hole Pond Rd$475K2 bd · 1 ba · 898 ft² · Sold $475K · Oct 2026
- 81 Perley St$372K3 bd · 1.5 ba · 1,440 ft² · Sold $190K · Oct 2026
Assigned schools
Explore the area
See this home in context
Open 21 Thompson 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