10140 ROUTE 99
Valuation
Tax & Assessment
Property Facts
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.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Howard County Public Schools
Neighborhood · ZIP 21042These 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
10140 Route 99 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 Ellicott City 21042
- Costs more per square foot than 96% of homes in Howard County
- Smaller than 92% of homes in Ellicott City 21042
- Has a bigger lot than 65% of homes in Howard County
- Newer than 73% of homes in Ellicott City 21042
What homes are worth in Ellicott City 21042
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 Ellicott City 21042.
How it measures up in Ellicott City 21042
The dot is this home. The mark in the middle is the typical home in Ellicott City 21042.
Pricier than 16% of homes nearby
Pricier than 95% of homes nearby
Bigger than 8% of homes nearby
Bigger than 57% of homes nearby
Newer than 73% of homes nearby
| Measure | This home | Ellicott City 21042 | Howard County |
|---|---|---|---|
| Estimated valuepricier than | $594,189 | 16% of homes | 43% of homes |
| Price per ft²pricier than | $442 | 95% of homes | 96% of homes |
| Living areabigger than | 1,344 ft² | 8% of homes | 20% of homes |
| Lot sizebigger than | 0.5 ac | 57% of homes | 65% of homes |
| Year builtnewer than | 1994 | 73% of homes | 62% of homes |
About 10140 Route 99
How much is 10140 Route 99, Ellicott City, MD worth?
The TopHap Estimate for 10140 Route 99, Ellicott City, MD is $594,189 as of Jul 14, 2026. The likely range is $555,153 to $633,225. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 10140 Route 99, Ellicott City, MD last sell?
10140 Route 99, Ellicott City, MD last sold on Aug 9, 2006 for $405,000, according to the county's recorded deed.
How big is 10140 Route 99, Ellicott City, MD?
10140 Route 99, Ellicott City, MD has 2.5 bathrooms, 1,344 square feet of living space and a 0.50-acre lot.
When was 10140 Route 99, Ellicott City, MD built?
10140 Route 99, Ellicott City, MD was built in 1994, making it 32 years old. It is a split foyer home. The building has 1 story.
What schools serve 10140 Route 99, Ellicott City, MD?
10140 Route 99, Ellicott City, MD is assigned to Waverly Elementary School (elementary), rated A+; Marriotts Ridge High School (high), rated A+; Mount View Middle School (middle), rated A. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 10140 Route 99, Ellicott City, MD compare to other homes in Ellicott City 21042?
Among the 14,278 homes in Ellicott City 21042, it is worth more than 16% of them ($594,189 against a typical $789,398), its price per square foot is higher than 95% of them ($442 against a typical $326), it is bigger than 8% of them (1,344 ft² against a typical 2,416 ft²), its lot is bigger than 57% of them (0.5 ac against a typical 0.47 ac) and it is newer than 73% of them (1994 against a typical 1987). Measured against all of Howard County, it is worth more than 43% 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 10140 Route 99, Ellicott City, MD?
The 2025 property tax bill for 10140 Route 99, Ellicott City, MD was $8,292. The county assessed it at $613,467.
More homes on Route 99
- 9785 Route 99$750K3 ba · 2,413 ft² · Sold $580K · Jul 2021
- 8906 Route 99$1.1M4.5 ba · 3,757 ft² · Sold $590K · Dec 2020
- 9224 Route 99$558K2.5 ba · 1,500 ft² · Sold $400K · Nov 2020
- 9939 Route 99$589K3 ba · 1,232 ft² · Sold $484K · Mar 2017
- 9216 Route 99$558K2.5 ba · 1,450 ft² · Sold $399K · Jan 2016
- Route 99$1M6.46 ac · Sold $271K · Jul 2013
- 9206 Route 99$568K1.5 ba · 1,344 ft² · Sold $361K · Jun 2010
- 10059 Route 99$648K1 ba · 2,046 ft² · Sold $39K · Oct 2003
- 9577 Route 99$525K1 ba · 1,456 ft² · Sold $229K · Feb 2003
- 9240 Route 99$576K2.5 ba · 1,500 ft² · Sold $187K · Jun 2001
- 8930 Route 99$635K1 ba · 1,716 ft² · Sold Sep 2000
- 9381 Route 99$511K2 ba · 1,272 ft² · Sold $63K · Oct 1999
Closest homes
- 10130 Old Frederick Rd$767K132 ft · 4 ba · 2,222 ft² · Sold $108K · Mar 1992
- 10142 Old Frederick Rd$536K202 ft · 1.5 ba · 1,313 ft² · Sold $167K · Aug 2001
- 10113 Spring Thaw Ct$972K226 ft · 2.5 ba · 3,941 ft² · Sold $286K · Apr 1992
- 10113 Bracken Dr$769K249 ft · 2.5 ba · 2,800 ft² · Sold $620K · Aug 2013
- 10117 Spring Thaw Ct$772K275 ft · 2.5 ba · 2,728 ft² · Sold $581K · Oct 2018
- 10109 Spring Thaw Ct$1M326 ft · 4 ba · 3,764 ft² · Sold $675K · Aug 2019
- 10146 Old Frederick Rd$548K282 ft · 2 ba · 1,325 ft² · Sold $353K · Oct 2020
- 10150 Old Frederick Rd$636K263 ft · 2 ba · 1,596 ft² · Sold $35K · Dec 2010
More homes in Ellicott City 21042
- 10232 Little Brick House Ct$890K2.5 ba · 2,334 ft² · Sold $888K · Aug 2026
- 3131 Kings Ct$875K3.5 ba · 2,454 ft² · Sold $885K · Aug 2026
- 9707 Hollowood Ct$550K2 ba · 1,819 ft² · Sold $535K · Aug 2026
- 9885 Longview Dr3,199 ft² · Sold $840K · Aug 2026
- 4606 Maydew Mews Way$744K2.5 ba · 2,192 ft² · Sold $744K · Aug 2026
- 2513 Melba Rd$626K2.5 ba · 1,479 ft² · Sold $625K · Aug 2026
- 10025 Century Dr$799K3.5 ba · 2,652 ft² · Sold $835K · Aug 2026
- 4309 Temora Manor Ln$889K2.5 ba · 3,374 ft² · Sold $900K · Aug 2026
- 9179 Furrow Ave$875K4 ba · 2,856 ft² · Sold $875K · Aug 2026
- 11800 Carroll Mill Rd$681K2 ba · 2,185 ft² · Sold $1.7M · Aug 2026
- 11820 Carroll Mill Rd$628K2 ba · 1,680 ft² · Sold $1.7M · Aug 2026
- 9306 Mist Haven Ct$749K3.5 ba · 2,628 ft² · Sold $760K · Aug 2026
Assigned schools
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