MERTENS AVE
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Allegany County Public Schools
Neighborhood · ZIP 21555These 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
Mertens Ave 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 84% of homes in Oldtown 21555
- Costs more per square foot than 93% of homes in Allegany County
- Among the smallest homes in Allegany County
- Among the smallest lots in Oldtown 21555
- Older than 68% of homes in Oldtown 21555
What homes are worth in Oldtown 21555
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 16% of homes in Oldtown 21555.
How it measures up in Oldtown 21555
The dot is this home. The mark in the middle is the typical home in Oldtown 21555.
Pricier than 16% of homes nearby
Pricier than 79% of homes nearby
Bigger than 2% of homes nearby
Smaller than almost all homes nearby
Newer than 32% of homes nearby
| Measure | This home | Oldtown 21555 | Allegany County |
|---|---|---|---|
| Estimated valuepricier than | $97,469 | 16% of homes | 25% of homes |
| Price per ft²pricier than | $192 | 79% of homes | 93% of homes |
| Living areabigger than | 508 ft² | 2% of homes | almost no homes |
| Lot sizebigger than | 0.12 ac | almost no homes | 21% of homes |
| Year builtnewer than | 1961 | 32% of homes | 64% of homes |
About Mertens Ave
How much is Mertens Ave, Oldtown, MD worth?
The TopHap Estimate for Mertens Ave, Oldtown, MD is $97,469 as of Sep 24, 2026. The likely range is $56,841 to $138,097. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did Mertens Ave, Oldtown, MD last sell?
Mertens Ave, Oldtown, MD last sold on Dec 29, 1997 for $15,000, according to the county's recorded deed.
How big is Mertens Ave, Oldtown, MD?
Mertens Ave, Oldtown, MD has 508 square feet of living space and a 0.12-acre lot.
When was Mertens Ave, Oldtown, MD built?
Mertens Ave, Oldtown, MD was built in 1961, making it 65 years old. The building has 1 story.
What schools serve Mertens Ave, Oldtown, MD?
Mertens Ave, Oldtown, MD is assigned to Washington Middle School (middle), rated D+; Fort Hill High School (high), rated B-; Flintstone Elementary School (elementary), rated A-. All sit in Allegany County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.
How does Mertens Ave, Oldtown, MD compare to other homes in Oldtown 21555?
Among the 974 homes in Oldtown 21555, it is worth more than 16% of them ($97,469 against a typical $178,101), its price per square foot is higher than 79% of them ($192 against a typical $144), it is bigger than 2% of them (508 ft² against a typical 1,256 ft²), its lot is bigger than almost none of them (0.12 ac against a typical 3.8 ac) and it is newer than 32% of them (1961 against a typical 1976). Measured against all of Allegany County, it is worth more than 25% 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 Mertens Ave, Oldtown, MD?
The 2025 property tax bill for Mertens Ave, Oldtown, MD was $176. The county assessed it at $17,033.
More homes on Mertens Ave
- 10101 Mertens Ave$315K1 ba · 1,596 ft² · Sold $310K · Jun 2026
- 10404 Mertens Ave2 ba · 1,369 ft² · Sold $40K · Jan 2024
- 10304 Mertens Ave$194K2 ba · 1,628 ft² · Sold $165K · Jan 2023
- 10101 Mertens Ave$70K10 ac · Sold $20K · Nov 2020
- 12901 Mertens Ave$367K3 ba · 1,216 ft² · Sold $320K · Feb 2018
- 12901 Mertens Ave45.31 ac · Sold $105K · Jan 2018
- 10305 Mertens Ave$161K1 ba · 800 ft² · Sold $105K · Nov 2007
- 10310 Mertens Ave$127K1 ba · 1,344 ft² · Sold $100K · Aug 2006
- 10220 Mertens Ave$182K2 ba · 1,008 ft² · Sold Nov 2005
- 10311 Mertens Ave2 ba · 1,120 ft² · Sold Mar 2005
- 10400 Mertens Ave2 ba · 924 ft² · Sold $3K · Apr 2004
- 10402 Mertens Ave1 ba · 924 ft² · Sold Aug 2003
Closest homes
- Mcmullen Hwy0 ft · 1 ba · 1,208 ft² · Sold Sep 1996
- Mertens Ave0 ft · 508 ft² · Sold Jan 1900
- 21900 Borrowed Time Ln Se$159K0 ft · 2 ba · 1,068 ft² · Sold $750K · Apr 2026
- New Georges Creek Rd0 ft · 0.36 ac · Sold Jan 1900
- Saint Marys Church Ter0 ft · 2,401 ft² · Sold Jan 1900
- A12 Shaw St0 ft · 1,111 ft² · Sold $700K · Aug 1993
- National Pike0 ft · 0.1 ac · Sold Jan 1900
- Jennings Way$132K0 ft · 0.21 ac · Sold Jan 1900
More homes in Oldtown 21555
- 14500 Wagner Rd Se$75K1 ba · 660 ft² · Sold $62K · Sep 2026
- 18010 Old Braddock Trl Se$92K1 ba · 873 ft² · Sold $90K · Sep 2026
- 16803 Trails End Ln Se$251K1 ba · 858 ft² · Sold $250K · Sep 2026
- 14801 Lower Town Creek Rd Se$228K1 ba · 1,904 ft² · Sold $227K · Sep 2026
- 18004 Oldtown Rd Se$41K1 ba · 1,194 ft² · Sold $40K · Aug 2026
- 18004 Oldtown Rd Se$98K1 ba · 1,194 ft² · Sold $40K · Aug 2026
- 18780 E Wilson Rd Se$162K1 ba · 1,560 ft² · Sold $159K · Jun 2026
- 14309 Warrior Mountain Cutoff Rd Se$81K1 ba · 1,416 ft² · Sold $80K · Jun 2026
- 19511 S End Rod And Gun Club Rd Se1 ba · 576 ft² · Sold $15K · Jun 2026
- 13801 Lower Town Creek Rd Se2 ba · 1,431 ft² · Sold $225K · Jun 2026
- 19200 Bowen Ln Se$635K3 ba · 2,054 ft² · Sold $625K · Jun 2026
- 17904 Oldtown Rd Se$114K1 ba · 1,530 ft² · Sold $2K · Jun 2026
Assigned schools
Explore the area
See this home in context
Open Mertens Ave 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