Duplex (2 Units, Any Combination)Residential
18 THOMPSON ST
SANFORD, ME 04073
5
Beds
2
Baths
2,352 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1887
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,268 (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.$249,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$217,300
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.4 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.Duplex (2 Units, Any Combination)
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.23
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.Neighborhood · ZIP 04073These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
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.0.8%
PopulationHow many people live in this area.18,822
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.495 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,977
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,891
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%
Owner Tools
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How this home compares
18 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 91% of homes in Sanford 04073
- Has a smaller lot than 79% of homes in York County
- Older than 97% of homes in Sanford 04073
How it measures up in Sanford 04073
The dot is this home. The mark in the middle is the typical home in Sanford 04073.
Living area2,352 ft²
SmallerTypical 1,344 ft²Bigger
Bigger than 91% of homes nearby
Lot size0.23 ac
SmallerTypical 0.34 acBigger
Bigger than 32% of homes nearby
Year built1887
OlderTypical 1973Newer
Newer than 3% of homes nearby
| Measure | This home | Sanford 04073 | York County |
|---|---|---|---|
| Living areabigger than | 2,352 ft² | 91% of homes | 85% of homes |
| Lot sizebigger than | 0.23 ac | 32% of homes | 21% of homes |
| Year builtnewer than | 1887 | 3% of homes | 4% of homes |
About 18 Thompson St
When did 18 Thompson St, Sanford, ME last sell?
18 Thompson St, Sanford, ME last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 18 Thompson St, Sanford, ME?
18 Thompson St, Sanford, ME has 5 bedrooms, 2 bathrooms, 2,352 square feet of living space and a 0.23-acre lot.
When was 18 Thompson St, Sanford, ME built?
18 Thompson St, Sanford, ME was built in 1887, making it 139 years old. The building has 2 stories.
How does 18 Thompson St, Sanford, ME compare to other homes in Sanford 04073?
Among the 5,918 homes in Sanford 04073, it is bigger than 91% of them (2,352 ft² against a typical 1,344 ft²), its lot is bigger than 32% of them (0.23 ac against a typical 0.34 ac) and it is newer than 3% of them (1887 against a typical 1973). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 18 Thompson St, Sanford, ME?
The 2025 property tax bill for 18 Thompson St, Sanford, ME was $4,268. The county assessed it at $249,600.
More homes on Thompson St
- 66 Thompson St4 bd · 2 ba · 1,778 ft² · Sold $213K · Jan 2026
- 24 Thompson St4 bd · 2 ba · 1,296 ft² · Sold $279K · Jun 2025
- 7 Thompson St6 bd · 2 ba · 2,202 ft² · Sold $395K · Mar 2025
- 45 Thompson St$312K5 bd · 1 ba · 1,408 ft² · Sold Nov 2024
- 27 Thompson St$217K4 bd · 2.5 ba · 1,324 ft² · Sold $243K · Oct 2024
- 52 Thompson St0.17 ac · Sold $287K · Aug 2022
- 29 Thompson St4 bd · 2 ba · 1,662 ft² · Sold Feb 2022
- 31 Thompson St$251K2 bd · 1 ba · 1,092 ft² · Sold $187K · Feb 2022
- 41 Thompson St$306K3 bd · 1 ba · 1,478 ft² · Sold $259K · Dec 2021
- 65 Thompson St$379K3 bd · 1.5 ba · 1,434 ft² · Sold $184K · Nov 2020
- 51 Thompson St4 bd · 2 ba · 1,680 ft² · Sold $160K · Jun 2020
- 62 Thompson St4 bd · 2 ba · 1,664 ft² · Sold $172K · Feb 2018
Closest homes
- 22 Thompson St54 ft · 2 bd · 2 ba · 1,296 ft² · Sold $64K · Oct 2009
- Island Ave107 ft · 0.24 ac · Sold May 2017
- 34 Island Ave93 ft · 6 bd · 2 ba · 2,016 ft² · Sold Sep 2010
- 24 Thompson St97 ft · 4 bd · 2 ba · 1,296 ft² · Sold $279K · Jun 2025
- 28 Island Ave138 ft · 0.16 ac · Sold Jan 1900
- 7 Thompson St186 ft · 6 bd · 2 ba · 2,202 ft² · Sold $395K · Mar 2025
- 26 Island Ave$226K187 ft · 3 bd · 1 ba · 1,036 ft² · Sold $161K · Aug 2023
- 40 Island Ave209 ft · 5 bd · 3 ba · 2,564 ft² · Sold $145K · Aug 2011
More homes in Sanford 04073
- 285 Twombley Rd4 bd · 2 ba · 1,764 ft² · Sold Sep 2026
- 10 Chippendale Dr$518K3 bd · 2 ba · 1,434 ft² · Sold $502K · Sep 2026
- 55 Tanguay St4 bd · 2 ba · 2,370 ft² · Sold $460K · Aug 2026
- 207 River St$430K4 bd · 2 ba · 2,426 ft² · Sold $500K · Aug 2026
- 102 Mount Hope Rd$359K3 bd · 2.5 ba · 2,016 ft² · Sold $520K · Aug 2026
- 166 Twombley Rd4 bd · 2 ba · 1,764 ft² · Sold $405K · Aug 2026
- 15 Goodwin Ct$350K2 bd · 1.5 ba · 1,266 ft² · Sold $340K · Aug 2026
- 542 Lebanon St$374K3 bd · 1.5 ba · 1,188 ft² · Sold $131K · Aug 2026
- 32 Pierce Ave$262K3 bd · 2 ba · 1,040 ft² · Sold $375K · Aug 2026
- 717 Lebanon St$543K2 bd · 1 ba · 1,968 ft² · Sold Aug 2026
- 23 Plaza Dr$387K4 bd · 1 ba · 1,152 ft² · Sold $375K · Aug 2026
- 63 Sand Pond Rd$650K3 bd · 2 ba · 2,464 ft² · Sold $635K · Aug 2026
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