21917 Griswold Rd is a 2,560 square foot house on a 1.01 acre lot with 4 bedrooms and 2.5 bathrooms. - it last sold on November 28, 2018 for $33,000. Based on Redfin's South Lyon data, we estimate the home's value is $636,700.
Single-familyProperty Type
2019Year Built
1.01 acresLot Size
$249Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$636,700
$604K since sold in November 2018$30K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.9% lower than the average sale price ($669K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 23, 2022 • Final
Electrical
Electrical
Dec 1, 2021 • Final
Electrical
Add new electrical circuits.
Electrical
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Forced Air
Room Information
# of Rooms: 10
Exterior
Exterior Information
Exterior Wall: Brick Siding
Property Information
Living Sq. Ft: 2,560
# of Units: 1
# of Stories: 1
Stories Type: 2
Legal Description: T1N, R7E, SEC 32 PART OF NE 1/4 BEG AT PT DIST N 01-30-00 E 1125.07 FT FROM E 1/4 COR, TH N 87-53-02 W 323.96 FT, TH N 01-30-00 E 135.01 FT, TH S 87-53-02 E 323.96 FT, TH S 01-30-00 W 135.01 FT TO BEG 1.01 A 12-13-17 FR 016
Parking & Garage Information
# of Parking Spaces: 2
Garage/Parking Sq. Ft: 446
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,996
Municipality Name: LYON TOWNSHIP
Acres: 1.01
County Use Description: RESIDENTIAL IMPROVED
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,560
Stories: 1.0
Lot Size: 1.01 acres
Style: Single Family Residential
Year Built: 2019
Year Renovated: —
County: Oakland County
APN: K -21-32-251-086
Home facts updated by county records on Aug 12, 2026
Around this home
Schools
Sayre Elementary School
Public K-5 • Assigned • 0.9mi
9/10
Millennium Middle School
Public 6-8 • Assigned • 1.1mi
9/10
South Lyon East High School
Public 9-12 • Assigned • 3.7mi
8/10
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
2/10 Heat Factor
7 days above 96° expected this year, 15 days in 30 years
2/10 Wind Factor
Minor risk of severe winds over next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
South Lyon, MI • 48178
Average low and high temperatures (°F)
27
15
34
18
51
31
61
40
67
47
80
59
84
64
79
58
76
52
64
43
48
36
35
23
Jan
Feb
Mar
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May
Jun
Jul
Aug
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Sun exposure
In this area, properties receive around 9.7 hours in
June and 2.7 hours in December, placing it below the
U.S. average for solar exposure.
9.7 hrs
2.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$605,000 – $733,000
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