4300 BLACK ROCK RD
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: Carroll County Public Schools
Neighborhood · ZIP 21074These 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
4300 Black Rock Rd 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.
- Costs less per square foot than 88% of homes in Hampstead 21074
- Bigger than 68% of homes in Hampstead 21074
- Has a smaller lot than 67% of homes in Carroll County
- Older than 82% of homes in Hampstead 21074
What homes are worth in Hampstead 21074
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 53% of homes in Hampstead 21074.
How it measures up in Hampstead 21074
The dot is this home. The mark in the middle is the typical home in Hampstead 21074.
Pricier than 53% of homes nearby
Pricier than 12% of homes nearby
Bigger than 68% of homes nearby
Bigger than 37% of homes nearby
Newer than 18% of homes nearby
| Measure | This home | Hampstead 21074 | Carroll County |
|---|---|---|---|
| Estimated valuepricier than | $419,157 | 53% of homes | 37% of homes |
| Price per ft²pricier than | $209 | 12% of homes | 12% of homes |
| Living areabigger than | 2,006 ft² | 68% of homes | 60% of homes |
| Lot sizebigger than | 0.34 ac | 37% of homes | 33% of homes |
| Year builtnewer than | 1962 | 18% of homes | 19% of homes |
About 4300 Black Rock Rd
How much is 4300 Black Rock Rd, Hampstead, MD worth?
The TopHap Estimate for 4300 Black Rock Rd, Hampstead, MD is $419,157 as of Aug 30, 2026. The likely range is $383,658 to $454,656. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 4300 Black Rock Rd, Hampstead, MD last sell?
4300 Black Rock Rd, Hampstead, MD last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 4300 Black Rock Rd, Hampstead, MD?
4300 Black Rock Rd, Hampstead, MD has 2.5 bathrooms, 2,006 square feet of living space and a 0.34-acre lot.
When was 4300 Black Rock Rd, Hampstead, MD built?
4300 Black Rock Rd, Hampstead, MD was built in 1962, making it 64 years old. The building has 1 story.
What schools serve 4300 Black Rock Rd, Hampstead, MD?
4300 Black Rock Rd, Hampstead, MD is assigned to Spring Garden Elementary School (elementary), rated B; Shiloh Middle School (middle), rated B; Manchester Valley High School (high), rated A-. All sit in Carroll County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 4300 Black Rock Rd, Hampstead, MD compare to other homes in Hampstead 21074?
Among the 5,648 homes in Hampstead 21074, it is worth more than 53% of them ($419,157 against a typical $408,930), its price per square foot is higher than 12% of them ($209 against a typical $256), it is bigger than 68% of them (2,006 ft² against a typical 1,664 ft²), its lot is bigger than 37% of them (0.34 ac against a typical 0.61 ac) and it is newer than 18% of them (1962 against a typical 1985). Measured against all of Carroll County, it is worth more than 37% 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 4300 Black Rock Rd, Hampstead, MD?
The 2025 property tax bill for 4300 Black Rock Rd, Hampstead, MD was $3,502. The county assessed it at $342,333.
More homes on Black Rock Rd
- 4160 Black Rock Rd$286K1 ba · 1,092 ft² · Sold $285K · Jul 2026
- 4156 Black Rock Rd$276K1 ba · 1,008 ft² · Sold $275K · Jun 2026
- 4202 Black Rock Rd$282K1 ba · 1,008 ft² · Sold $280K · May 2026
- 4302 Black Rock Rd$537K3.5 ba · 1,832 ft² · Sold Apr 2026
- 4222 Black Rock Rd$328K1 ba · 1,810 ft² · Sold $325K · Dec 2024
- Black Rock Rd3,746 ft² · Sold $325K · Dec 2024
- 4540 Black Rock Rd$409K2 ba · 2,240 ft² · Sold $340K · Apr 2024
- 4203 Black Rock Rd$389K2 ba · 998 ft² · Sold $355K · Nov 2023
- 4530 Black Rock Rd$410K1 ba · 1,187 ft² · Sold $385K · Nov 2023
- 4309 Black Rock Rd$519K2.5 ba · 2,012 ft² · Sold $480K · Aug 2023
- 4150 Black Rock Rd$327K1.5 ba · 1,248 ft² · Sold $234K · Oct 2022
- 4506 Black Rock Rd$389K2 ba · 872 ft² · Sold $335K · Jun 2022
Closest homes
- 4302 Black Rock Rd$537K100 ft · 3.5 ba · 1,832 ft² · Sold Apr 2026
- 4222 Black Rock Rd$328K108 ft · 1 ba · 1,810 ft² · Sold $325K · Dec 2024
- 4301 Black Rock Rd$359K221 ft · 1 ba · 1,312 ft² · Sold Jan 1900
- 4221 Black Rock Rd$486K241 ft · 3 ba · 1,828 ft² · Sold $359K · Dec 2021
- 4304 Black Rock Rd$389K200 ft · 2 ba · 1,640 ft² · Sold Nov 2001
- 4303 Black Rock Rd$312K272 ft · 1 ba · 912 ft² · Sold $255K · Oct 2006
- 4218 Black Rock Rd$377K247 ft · 2 ba · 1,680 ft² · Sold $153K · Jan 1996
- 4215 Black Rock Rd$419K331 ft · 1.5 ba · 1,953 ft² · Sold Jan 1900
More homes in Hampstead 21074
- 940 Gaming Sq$330K1.5 ba · 1,216 ft² · Sold $312K · Aug 2026
- 1026 Highfield Dr$330K1.5 ba · 1,296 ft² · Sold $330K · Aug 2026
- 4230 Crystal Ct$206K2,628 ft² · Sold $168K · Aug 2026
- 2711 Overview Rd$484K3 ba · 1,775 ft² · Sold $475K · Aug 2026
- 4120 Hillcrest Ave$380K2 ba · 1,470 ft² · Sold $380K · Aug 2026
- 1919 Gravel Dr$600K2 ba · 2,626 ft² · Sold $600K · Aug 2026
- 4521 Beckleysville Rd$620K2.5 ba · 1,852 ft² · Sold $620K · Aug 2026
- 848 Century St$323K1.5 ba · 1,216 ft² · Sold $323K · Aug 2026
- 918 Century St$358K2 ba · 820 ft² · Sold $356K · Aug 2026
- 2081 Mountain Ash Ct$785K3.5 ba · 3,492 ft² · Sold $785K · Aug 2026
- 5026 Mount Carmel Rd$471K2.5 ba · 1,972 ft² · Sold $635K · Aug 2026
- 18310 Upper Beckleysville Rd$604K3.5 ba · 2,652 ft² · Sold $605K · Aug 2026
Assigned schools
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