This home's estimate is 196.8% higher than the average sale price ($881K) of 6 comparable homes.
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- Sale & tax history
- Property details
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- Climate
646 Round Hill Rd, Gibson Island, MD 21056
About this home
Redfin Estimate
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Market trends in 21056, MD
Last updated August 2026
Provided by Redfin
Sale history for 646 Round Hill Rd
As the MLS and public records start to fill up, we'll list the details here.
Tax history for 646 Round Hill Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
- Bathroom Information
- # of Full Baths: 2
- # of 1/2 Baths: 1
- Heating & Cooling
- Air Conditioning Type: Split System
- Heating Type: Heat Pump
- Fireplace Information
- # of Fireplaces: 1
- Fireplace Type: 1 Story Brick
- Has Fireplace
Exterior
- Exterior Information
- Building Construction Quality: Average
- Exterior Wall: Aluminum/Vinyl
- Building Type: Single Family
- Property Information
- Subdivision Name: GIBSON ISLAND A
- Living Sq. Ft: 3,133
- Building Sq. Ft: 3,805
- # of Stories: 1.5
- Stories Type: 1 1/2 Story With Basement
- Legal Description: LT 480 OR 1 ACRE 646 ROUND HILL RD GIBSON ISLAND
- Parking & Garage Information
- Parking Type: Attached Frame Garage
- Garage/Parking Sq. Ft: 672
- Garage / Carport Type: Attached Frame
- Lot Information
- # of Buildings: 1
- Land Sq. Ft: 43,560
- Legal Lot Number: 480
- Acres: 1
- Zoning Code: R1
- State Use Description: RESIDENTIAL
- Location Information
- Parcel Location Influence: Waterfront
- Utility Information
- Sewer Type: Private
- Water Service Type: Public
Financial
- Assessor Information
- Assessment Year: 2026
- Tax District County: 3
Public facts
- Beds: —
- Baths: 2.5
- Sq. Ft.: 3,133
- Stories: 1.5
- Lot Size: 1 acres
- Style: Single Family Residential
- Year Built: 1976
- Year Renovated: —
- County: Anne Arundel County
- APN: 03 35002163900
Around this home
Schools
Public PreK-5 • Assigned • 2.9mi
Public 6-8 • Assigned • 2.9mi
Public 9-12 • Assigned • 2.8mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
0.15% chance of being in a wildfire in next 30 years
7 days above 105° expected this year, 15 days in 30 years
72% chance of strong winds in next 30 years
3 unhealthy days expected this year, 4 days in 30 years
Sun exposure
In this area, properties receive around 9.3 hours in June and 4.6 hours in December, which is comparable to the U.S. average for solar exposure.
Nearby similar homes
Home values near 646 Round Hill Rd
| Address | Redfin Estimate |
|---|---|
- Beds | 3.5 Baths | 2898 Sq. Ft. | $3,365,386 |
6 Beds | 8 Baths | 12126 Sq. Ft. | $8,361,812 |
| Address | Redfin Estimate |
|---|---|
- Beds | 4.5 Baths | 5181 Sq. Ft. | $5,099,281 |
- Beds | 6.5 Baths | 7155 Sq. Ft. | $7,377,345 |
| Address | Redfin Estimate |
|---|---|
- Beds | 3.5 Baths | 3720 Sq. Ft. | $3,106,732 |
- Beds | 3 Baths | 4360 Sq. Ft. | $3,522,855 |
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