556 McKnight Rd is a 2,639 square foot house on a 18.13 acre lot with 3 bathrooms. Based on Redfin's Smyrna data, we estimate the home's value is $633,789.
Single-familyProperty Type
1993Year Built
18.13 acresLot Size
$240Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$633,789
$9,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.3% higher than the average sale price ($545K) of 6 comparable homes.
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Market trends in 29743, SC
Last updated September 2026
Sale-to-List Price
100.0%
0.0% MoM
Median sale price
$337K
$146 MoM
Avg. days on market
18d
0 days MoM
Recently sold homes
4
2 MoM
Provided by Redfin
Sale history for 556 McKnight Rd
Date
Event
Price
Public Records
Sep 11, 1992
Sold
$27,000
$10/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$1,816 (+23.5%)
2024
$1,471 (−1.7%)
2023
$1,496 (+0.2%)
2022
$1,493 (+0.1%)
2021
$1,492 (+0.5%)
2020
$1,485 (+17.5%)
2019
$1,264 (−34.5%)
2018
$1,930 (+118.6%)
2017
$883 (+1.5%)
2016
$870 (−10.0%)
$6,523 + $126,500
$133,023
2013
$967 (+1.3%)
2012
$955
$261 + $6,000
$6,261
Tax history for 556 McKnight Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,816 (+23.5%)
2024
$1,471 (−1.7%)
2023
$1,496 (+0.2%)
2022
$1,493 (+0.1%)
2021
$1,492 (+0.5%)
2020
$1,485 (+17.5%)
2019
$1,264 (−34.5%)
2018
$1,930 (+118.6%)
2017
$883 (+1.5%)
2016
$870 (−10.0%)
$6,523 + $126,500
$133,023
2013
$967 (+1.3%)
2012
$955
$261 + $6,000
$6,261
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
AGC
Agricultural Conservation District
The Agricultural Conservation District AGC generally consists of the most agriculturally productive soils, and their loss cannot be readily compensated. Therefore, the district is intended to: Preserve areas under cultivation and prime agricultural soils for continued agricultural and agriculturally-oriented uses; and Protect and support the business of agriculture; and Protect agricultural character.
Permitted uses
Include but are not limited to:
Agriculture
Greenhouse / nursery
Livestock production
Winery & vineyard
Religious facility
Housing-Single unit
Educational/school
Veterinary clinic
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Property details
Interior
Bathroom Information
# of Full Baths: 3
Exterior
Exterior Information
Physical Condition: Average
Exterior Wall: Brick/Stucco
Building Type: Residential
Property Information
Living Sq. Ft: 2,639
Gross Sq. Ft: 3,599
Ground Floor Sq. Ft: 2,639
# of Stories: 1
Legal Description: HWY 780
Parking & Garage Information
Garage/Parking Sq. Ft: 780
Lot Information
# of Buildings: 2
Land Sq. Ft: 789,743
Fire District: SMYRNA
Water District: YORK COUNTY WATER SVC.
Municipality Type: SM
Municipality Name: SMYRNA
Acres: 18.13
Zoning Code: AGC
County Use Description: RESIDENTIAL IMPROVED OC
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: 3.0
Sq. Ft.: 2,639
Stories: 1.0
Lot Size: 18.13 acres
Style: Single Family Residential
Year Built: 1993
Year Renovated: 1993
County: York County
APN: 1550000016
Home facts updated by county records on Aug 17, 2026
Around this home
Schools
Hickory Grove-Sharon Elementary School
Public PreK-6 • Assigned • 6.6mi
7/10
York Middle School
Public 7-8 • Assigned • 9.0mi
4/10
York Comprehensive High School
Public 9-12 • Assigned • 8.1mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
5/10 Heat Factor
7 days above 104° expected this year, 15 days in 30 years
4/10 Wind Factor
13% chance of strong winds in next 30 years
3/10 Air Factor
3 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
Smyrna, SC • 29743
Average low and high temperatures (°F)
49
29
58
37
71
45
78
53
78
58
88
67
92
72
82
67
82
61
73
51
65
44
54
35
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.3 hours in
June and 5.4 hours in December, which is comparable to the
U.S. average for solar exposure.
9.3 hrs
5.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$609,000 – $737,000
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