21 TRINITY ST
Valuation
Tax & Assessment
Property Facts
Transaction History(8)
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.
District: Regional School Unit 13
Neighborhood · ZIP 04841These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Ownership
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
21 Trinity 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.
- Worth more than 79% of homes in Rockland 04841
- Bigger than 74% of homes in Rockland 04841
- Has a bigger lot than 75% of homes in Rockland 04841
- Older than 91% of homes in Knox County
What homes are worth in Rockland 04841
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 79% of homes in Rockland 04841.
How it measures up in Rockland 04841
The dot is this home. The mark in the middle is the typical home in Rockland 04841.
Pricier than 79% of homes nearby
Pricier than 55% of homes nearby
Bigger than 74% of homes nearby
Bigger than 75% of homes nearby
Newer than 14% of homes nearby
| Measure | This home | Rockland 04841 | Knox County |
|---|---|---|---|
| Estimated valuepricier than | $485,074 | 79% of homes | 62% of homes |
| Price per ft²pricier than | $254 | 55% of homes | 40% of homes |
| Living areabigger than | 1,906 ft² | 74% of homes | 69% of homes |
| Lot sizebigger than | 0.54 ac | 75% of homes | 29% of homes |
| Year builtnewer than | 1862 | 14% of homes | 9% of homes |
About 21 Trinity St
How much is 21 Trinity St, Rockland, ME worth?
The TopHap Estimate for 21 Trinity St, Rockland, ME is $485,074 as of Jul 14, 2026. The likely range is $417,235 to $552,913. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 21 Trinity St, Rockland, ME last sell?
21 Trinity St, Rockland, ME last sold on Jun 22, 2022 for $420,000, according to the county's recorded deed.
How big is 21 Trinity St, Rockland, ME?
21 Trinity St, Rockland, ME has 3 bedrooms, 2 bathrooms, 1,906 square feet of living space and a 0.54-acre lot.
When was 21 Trinity St, Rockland, ME built?
21 Trinity St, Rockland, ME was built in 1862, making it 164 years old. It is a conventional home. The building has 2 stories.
What schools serve 21 Trinity St, Rockland, ME?
21 Trinity St, Rockland, ME is assigned to Oceanside High School (high), rated D; South School (elementary), rated C+; Oceanside Middle School (middle), rated B-. All sit in Regional School Unit 13. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 Trinity St, Rockland, ME compare to other homes in Rockland 04841?
Among the 2,704 homes in Rockland 04841, it is worth more than 79% of them ($485,074 against a typical $345,677), its price per square foot is higher than 55% of them ($254 against a typical $245), it is bigger than 74% of them (1,906 ft² against a typical 1,461 ft²), its lot is bigger than 75% of them (0.54 ac against a typical 0.27 ac) and it is newer than 14% of them (1862 against a typical 1925). Measured against all of Knox County, it is worth more than 62% 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 21 Trinity St, Rockland, ME?
The 2025 property tax bill for 21 Trinity St, Rockland, ME was $7,406. The county assessed it at $446,700.
More homes on Trinity St
- 10 Trinity St2 bd · 2 ba · 1,108 ft² · Sold $155K · Oct 2025
- 13 Trinity St$317K3 bd · 2 ba · 1,536 ft² · Sold $318K · Mar 2023
- 18 Trinity St$241K2 bd · 1 ba · 908 ft² · Sold $155K · Jan 2021
- 9 Trinity St$285K2 bd · 2 ba · 1,402 ft² · Sold Apr 2014
- 24 Trinity St$265K2 bd · 1.5 ba · 1,425 ft² · Sold May 2013
- 15 Trinity St2 bd · 1 ba · 1,032 ft² · Sold Nov 2011
- 14 Trinity St$333K3 bd · 1.5 ba · 1,736 ft² · Sold $151K · Jan 2007
- 27 Trinity St$182K1 bd · 1 ba · 822 ft² · Sold Jan 1900
- 3 Trinity St$349K2 bd · 2 ba · 1,400 ft² · Sold Jan 1900
- 22 Trinity St$272K2 bd · 1 ba · 768 ft² · Sold Jan 1900
- 12 Trinity St$229K4 bd · 2 ba · 2,048 ft² · Sold Jan 1900
- 6 Trinity St$329K3 bd · 2 ba · 2,306 ft² · Sold Jan 1900
Closest homes
- 27 Trinity St$182K100 ft · 1 bd · 1 ba · 822 ft² · Sold Jan 1900
- 15 Trinity St103 ft · 2 bd · 1 ba · 1,032 ft² · Sold Nov 2011
- 20 Maverick St$475K171 ft · 2 bd · 1.5 ba · 1,364 ft² · Sold $435K · Jun 2024
- 22 Trinity St$272K159 ft · 2 bd · 1 ba · 768 ft² · Sold Jan 1900
- 16 Maverick St$423K149 ft · 3 bd · 1 ba · 1,602 ft² · Sold Jan 1900
- 18 Trinity St$241K183 ft · 2 bd · 1 ba · 908 ft² · Sold $155K · Jan 2021
- 24 Trinity St$265K150 ft · 2 bd · 1.5 ba · 1,425 ft² · Sold May 2013
- 13 Trinity St$317K183 ft · 3 bd · 2 ba · 1,536 ft² · Sold $318K · Mar 2023
More homes in Rockland 04841
- 98 New County Rd$395K3 bd · 2 ba · 1,404 ft² · Sold $395K · Jul 2026
- 80 Maverick St$185K2 bd · 1 ba · 998 ft² · Sold $97K · Jul 2026
- 23 Chestnut St$349K3 bd · 1.5 ba · 1,242 ft² · Sold $439K · Jul 2026
- 53 Talbot Ave$374K3 bd · 2 ba · 1,817 ft² · Sold Jul 2026
- 36 Masonic St$335K3 bd · 2 ba · 2,040 ft² · Sold $312K · Jul 2026
- 3 Samoset Rd$854K3 bd · 2.5 ba · 2,166 ft² · Sold $755K · Jul 2026
- 15 Tea St$384K3 bd · 2 ba · 1,653 ft² · Sold $325K · Jul 2026
- 25 Bog Rd36.98 ac · Sold $128K · Jul 2026
- 125 Limerock St$329K3 bd · 1 ba · 1,232 ft² · Sold Jul 2026
- 35 Orange St$469K3 bd · 3 ba · 2,031 ft² · Sold $452K · Jul 2026
- 39 Chestnut St$563K4 bd · 1 ba · 2,913 ft² · Sold Jul 2026
- 348 Broadway$313K3 bd · 2.5 ba · 1,501 ft² · Sold $294K · Jul 2026
Assigned schools
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