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Single Family ResidenceResidential
$151,036
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 62How 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

400 OLD UNION RD

WASHINGTON, ME 04574
0
Baths
3.5 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$151K
$94K low$208K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,186 (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.$81,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,300

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.18 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyKNOX
Lot (acres)The size of the land the home sits on, from county records.3.50
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Prescott Memorial SchoolA
Elementary · Grades PK–6 · 1.6 mi
H
Medomak Valley High SchoolC
High · Grades 9–12 · 9.1 mi
M
Medomak Middle SchoolD+
Middle · Grades 7–8 · 9.2 mi

District: School Administrative District 40

Neighborhood · ZIP 04574These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.71
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.1,669
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,422
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,677
Average tempThe average temperature here across a full year.45°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.50%

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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

400 Old Union 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 97% of homes in Knox County
  • Has a bigger lot than 78% of homes in Knox County

What homes are worth in Washington 04574

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

This home
$83K$706K

This home is worth more than 15% of homes in Washington 04574.

How it measures up in Washington 04574

The dot is this home. The mark in the middle is the typical home in Washington 04574.

Estimated value$151,036
CheaperTypical $289,320Pricier

Pricier than 15% of homes nearby

Lot size3.5 ac
SmallerTypical 4.7 acBigger

Bigger than 43% of homes nearby

How 400 Old Union Rd ranks against every home in each area.
MeasureThis homeWashington 04574Knox County
Estimated valuepricier than$151,03615% of homes3% of homes
Lot sizebigger than3.5 ac43% of homes78% of homes

About 400 Old Union Rd

How much is 400 Old Union Rd, Washington, ME worth?

The TopHap Estimate for 400 Old Union Rd, Washington, ME is $151,036 as of Oct 21, 2026. The likely range is $93,705 to $208,367. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Old Union Rd, Washington, ME last sell?

400 Old Union Rd, Washington, ME last sold on Jun 30, 2016, according to the county's recorded deed.

What schools serve 400 Old Union Rd, Washington, ME?

400 Old Union Rd, Washington, ME is assigned to Prescott Memorial School (elementary), rated A; Medomak Valley High School (high), rated C; Medomak Middle School (middle), rated D+. All sit in School Administrative District 40. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 Old Union Rd, Washington, ME compare to other homes in Washington 04574?

Among the 719 homes in Washington 04574, it is worth more than 15% of them ($151,036 against a typical $289,320) and its lot is bigger than 43% of them (3.5 ac against a typical 4.7 ac). Measured against all of Knox County, it is worth more than 3% 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 400 Old Union Rd, Washington, ME?

The 2025 property tax bill for 400 Old Union Rd, Washington, ME was $1,186. The county assessed it at $81,800.

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Assigned schools

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