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Single Family ResidenceResidential
$376,448$373 / 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 89How 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
Last sold for $421,000 on Nov 16, 2020

644 RIVER RD

LYME, NH 03768
3
Beds
2
Baths
1,008 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.
14.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
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

$376K
$337K low$416K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$421,000 · Nov 16, 2020
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.$376,448
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$301,158

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,952 (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.$282,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$166,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$115,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$433,200

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.40
54
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
86
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
1
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.17 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Raised Ranch
CountyGRAFTON
Lot (acres)The size of the land the home sits on, from county records.14.70
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Lyme SchoolA
Elementary · Grades KG–8 · 3.2 mi
H
Thetford Academy
High · Grades 7–12 · 3.9 mi

Neighborhood · ZIP 03768These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.86

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.88%
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.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.5%
PopulationHow many people live in this area.1,787
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.33 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,295
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$180,711
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.33%

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

644 River Rd 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 91% of homes in Lyme 03768
  • Costs more per square foot than 76% of homes in Grafton County
  • Smaller than 85% of homes in Lyme 03768
  • Has a bigger lot than 92% of homes in Grafton County
  • Older than 66% of homes in Grafton County

What homes are worth in Lyme 03768

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

This home
$254K$2.1M

This home is worth more than 9% of homes in Lyme 03768.

How it measures up in Lyme 03768

The dot is this home. The mark in the middle is the typical home in Lyme 03768.

Estimated value$376,448
CheaperTypical $752,306Pricier

Pricier than 9% of homes nearby

Price per ft²$373
CheaperTypical $380Pricier

Pricier than 48% of homes nearby

Living area1,008 ft²
SmallerTypical 1,990 ft²Bigger

Bigger than 15% of homes nearby

Lot size14.7 ac
SmallerTypical 5.03 acBigger

Bigger than 73% of homes nearby

Year built1970
OlderTypical 1975Newer

Newer than 46% of homes nearby

How 644 River Rd ranks against every home in each area.
MeasureThis homeLyme 03768Grafton County
Estimated valuepricier than$376,4489% of homes40% of homes
Price per ft²pricier than$37348% of homes76% of homes
Living areabigger than1,008 ft²15% of homes21% of homes
Lot sizebigger than14.7 ac73% of homes92% of homes
Year builtnewer than197046% of homes34% of homes

About 644 River Rd

How much is 644 River Rd, Lyme, NH worth?

The TopHap Estimate for 644 River Rd, Lyme, NH is $376,448 as of Jul 14, 2026. The likely range is $336,701 to $416,195. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 644 River Rd, Lyme, NH last sell?

644 River Rd, Lyme, NH last sold on Nov 16, 2020 for $421,000, according to the county's recorded deed.

How big is 644 River Rd, Lyme, NH?

644 River Rd, Lyme, NH has 3 bedrooms, 2 bathrooms, 1,008 square feet of living space and a 14.70-acre lot.

When was 644 River Rd, Lyme, NH built?

644 River Rd, Lyme, NH was built in 1970, making it 56 years old. It is a raised ranch home. The building has 1 story.

What schools serve 644 River Rd, Lyme, NH?

644 River Rd, Lyme, NH is assigned to Lyme School (elementary), rated A; Thetford Academy (high). Attendance boundaries change — confirm with the district before relying on an assignment.

How does 644 River Rd, Lyme, NH compare to other homes in Lyme 03768?

Among the 756 homes in Lyme 03768, it is worth more than 9% of them ($376,448 against a typical $752,306), its price per square foot is higher than 48% of them ($373 against a typical $380), it is bigger than 15% of them (1,008 ft² against a typical 1,990 ft²), its lot is bigger than 73% of them (14.7 ac against a typical 5.03 ac) and it is newer than 46% of them (1970 against a typical 1975). Measured against all of Grafton County, it is worth more than 40% 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 644 River Rd, Lyme, NH?

The 2025 property tax bill for 644 River Rd, Lyme, NH was $7,952. The county assessed it at $282,100.

Closest homes

More homes in Lyme 03768

Assigned schools

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