21 S MAIN ST
Valuation
Tax & Assessment
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Washington County Public Schools
Neighborhood · ZIP 21713These 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.
Owner Tools
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 S Main 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 less than 65% of homes in Boonsboro 21713
- Costs less per square foot than 88% of homes in Boonsboro 21713
- Bigger than 70% of homes in Washington County
- Has a smaller lot than 90% of homes in Boonsboro 21713
- Older than 97% of homes in Washington County
What homes are worth in Boonsboro 21713
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 35% of homes in Boonsboro 21713.
How it measures up in Boonsboro 21713
The dot is this home. The mark in the middle is the typical home in Boonsboro 21713.
Pricier than 35% of homes nearby
Pricier than 12% of homes nearby
Bigger than 61% of homes nearby
Bigger than 10% of homes nearby
Newer than 6% of homes nearby
| Measure | This home | Boonsboro 21713 | Washington County |
|---|---|---|---|
| Estimated valuepricier than | $352,863 | 35% of homes | 59% of homes |
| Price per ft²pricier than | $178 | 12% of homes | 31% of homes |
| Living areabigger than | 1,984 ft² | 61% of homes | 70% of homes |
| Lot sizebigger than | 0.21 ac | 10% of homes | 30% of homes |
| Year builtnewer than | 1878 | 6% of homes | 3% of homes |
About 21 S Main St
How much is 21 S Main St, Boonsboro, MD worth?
The TopHap Estimate for 21 S Main St, Boonsboro, MD is $352,863 as of Sep 24, 2026. The likely range is $318,439 to $387,287. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 21 S Main St, Boonsboro, MD last sell?
21 S Main St, Boonsboro, MD last sold on Jul 27, 1997 for $87,000, according to the county's recorded deed.
How big is 21 S Main St, Boonsboro, MD?
21 S Main St, Boonsboro, MD has 1.5 bathrooms, 1,984 square feet of living space and a 0.21-acre lot.
When was 21 S Main St, Boonsboro, MD built?
21 S Main St, Boonsboro, MD was built in 1878, making it 148 years old. The building has 2 stories.
What schools serve 21 S Main St, Boonsboro, MD?
21 S Main St, Boonsboro, MD is assigned to Boonsboro Elementary School (elementary), rated A; Boonsboro Middle School (middle), rated A-; Boonsboro High School (high), rated A-. All sit in Washington County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 S Main St, Boonsboro, MD compare to other homes in Boonsboro 21713?
Among the 3,531 homes in Boonsboro 21713, it is worth more than 35% of them ($352,863 against a typical $407,257), its price per square foot is higher than 12% of them ($178 against a typical $234), it is bigger than 61% of them (1,984 ft² against a typical 1,746 ft²), its lot is bigger than 10% of them (0.21 ac against a typical 0.98 ac) and it is newer than 6% of them (1878 against a typical 1981). Measured against all of Washington County, it is worth more than 59% 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 S Main St, Boonsboro, MD?
The 2026 property tax bill for 21 S Main St, Boonsboro, MD was $2,037. The county assessed it at $263,833.
More homes on S Main St
- 108 S Main St$262K1 ba · 1,596 ft² · Sold $260K · Feb 2026
- 144 S Main St1.5 ba · 1,960 ft² · Sold $400K · Nov 2025
- 101 S Main St$373K2.5 ba · 2,198 ft² · Sold $365K · Apr 2025
- 241 S Main St$299K1 ba · 1,322 ft² · Sold $437K · Mar 2025
- 227 S Main St$267K1.5 ba · 1,256 ft² · Sold $260K · Dec 2024
- 224 S Main St$332K2 ba · 950 ft² · Sold $322K · Nov 2024
- 121 S Main St$165K2 ba · 1,901 ft² · Sold $150K · Sep 2024
- 301 S Main St$339K2 ba · 1,650 ft² · Sold $310K · Sep 2024
- 229 S Main St$194K1 ba · 736 ft² · Sold $185K · May 2024
- 221 S Main St$168K1 ba · 792 ft² · Sold $69K · Apr 2024
- 22 S Main St3 ba · 3,168 ft² · Sold $420K · Mar 2024
- 59 S Main St$232K1 ba · 1,156 ft² · Sold Jul 2023
Closest homes
- 15 S Main St$330K41 ft · 3 ba · 3,319 ft² · Sold $345K · May 2021
- 12 Saint Paul St172 ft · 2 ba · 1,552 ft² · Sold $70K · Sep 2019
- 35 S Main St$321K210 ft · 2 ba · 2,018 ft² · Sold Mar 2004
- 37 S Main St$285K246 ft · 2 ba · 1,740 ft² · Sold $177K · Jul 2005
- 29 S Main St$193K232 ft · 3 ba · 2,288 ft² · Sold $105K · Jan 2013
- 41 S Main St$341K286 ft · 1.5 ba · 1,592 ft² · Sold $312K · May 2023
- 14 Saint Paul St$201K270 ft · 1 ba · 1,668 ft² · Sold $200K · Jun 2026
- 15 N Main St$293K316 ft · 2 ba · 1,844 ft² · Sold $276K · Feb 2025
More homes in Boonsboro 21713
- 8418 Mapleville Rd$500K1 ba · 1,346 ft² · Sold $500K · Oct 2026
- 403 Elm Crest Ave$413K2 ba · 1,670 ft² · Sold $403K · Oct 2026
- 8403 Country Home Ln1.76 ac · Sold $160K · Oct 2026
- 129 Monument Dr$517K3.5 ba · 2,078 ft² · Sold $483K · Oct 2026
- 119 Potomac St$300K1 ba · 1,424 ft² · Sold $295K · Oct 2026
- 103 Saint Paul St$410K2.5 ba · 1,590 ft² · Sold $420K · Oct 2026
- 8354 Mountain Laurel Rd$450K3 ba · 1,903 ft² · Sold $410K · Oct 2026
- 225 Potomac St$395K1 ba · 1,524 ft² · Sold $380K · Oct 2026
- 307 Wyatt Pl4,000 ft² · Sold $407K · Sep 2026
- 9 Everett Dr0.17 ac · Sold $580K · Sep 2026
- 19857 Lemuel Ln$330K1 ba · 1,025 ft² · Sold $336K · Sep 2026
- 8418 Routzahn Rd$279K1.5 ba · 1,224 ft² · Sold $160K · Sep 2026
Assigned schools
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