Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$217,020
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 78How 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 $120,400 on Sep 1, 2016

20 ROBERTSON LN

SULLIVAN, ME 04664
0
Baths
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$217K
$170K low$264K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,400 · Sep 1, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,093 (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.$173,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$130,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHANCOCK
Lot (acres)The size of the land the home sits on, from county records.1.05
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
Mountain View SchoolC
Elementary · Grades PK–8 · 2.1 mi
H
Sumner Memorial High SchoolC
High · Grades 9–12 · 4.2 mi

District: Regional School Unit 24

Neighborhood · ZIP 04664These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.63%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,031
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.31 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,448
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,506
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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

20 Robertson Ln 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 81% of homes in Hancock County
  • Has a smaller lot than 65% of homes in Sullivan 04664

What homes are worth in Sullivan 04664

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

This home
$71K$807K

This home is worth more than 44% of homes in Sullivan 04664.

How it measures up in Sullivan 04664

The dot is this home. The mark in the middle is the typical home in Sullivan 04664.

Estimated value$217,020
CheaperTypical $237,244Pricier

Pricier than 44% of homes nearby

Lot size1.05 ac
SmallerTypical 1.8 acBigger

Bigger than 35% of homes nearby

How 20 Robertson Ln ranks against every home in each area.
MeasureThis homeSullivan 04664Hancock County
Estimated valuepricier than$217,02044% of homes19% of homes
Lot sizebigger than1.05 ac35% of homes38% of homes

About 20 Robertson Ln

How much is 20 Robertson Ln, Sullivan, ME worth?

The TopHap Estimate for 20 Robertson Ln, Sullivan, ME is $217,020 as of Jul 14, 2026. The likely range is $169,795 to $264,245. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Robertson Ln, Sullivan, ME last sell?

20 Robertson Ln, Sullivan, ME last sold on Sep 1, 2016 for $120,400, according to the county's recorded deed.

What schools serve 20 Robertson Ln, Sullivan, ME?

20 Robertson Ln, Sullivan, ME is assigned to Mountain View School (elementary), rated C; Sumner Memorial High School (high), rated C. All sit in Regional School Unit 24. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Robertson Ln, Sullivan, ME compare to other homes in Sullivan 04664?

Among the 548 homes in Sullivan 04664, it is worth more than 44% of them ($217,020 against a typical $237,244) and its lot is bigger than 35% of them (1.05 ac against a typical 1.8 ac). Measured against all of Hancock County, it is worth more than 19% 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 20 Robertson Ln, Sullivan, ME?

The 2025 property tax bill for 20 Robertson Ln, Sullivan, ME was $2,093. The county assessed it at $173,000.

More homes on Robertson Ln

Closest homes

More homes in Sullivan 04664

Assigned schools

Explore the area

See this home in context

Open 20 Robertson Ln 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