7870 Knox Rd is a 1,836 square foot house on a 3.27 acre lot with 1.5 bathrooms. Based on Redfin's Portland data, we estimate the home's value is $330,556.
Single-familyProperty Type
1966Year Built
3.27 acresLot Size
$180Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$330,556
$12K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.8% higher than the average sale price ($283K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,999 (+4.2%)
2024
$4,798 (+4.9%)
2023
$4,576 (+3.7%)
2022
$4,413 (+3.0%)
2021
$4,283 (+1.2%)
2020
$4,231 (+1.8%)
2019
$4,157 (+2.3%)
2018
$4,064 (+4.9%)
2017
$3,875 (+69.6%)
2016
$2,284 (+154.6%)
2015
$897 (−60.0%)
2014
$2,240
Tax history for 7870 Knox Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,999 (+4.2%)
2024
$4,798 (+4.9%)
2023
$4,576 (+3.7%)
2022
$4,413 (+3.0%)
2021
$4,283 (+1.2%)
2020
$4,231 (+1.8%)
2019
$4,157 (+2.3%)
2018
$4,064 (+4.9%)
2017
$3,875 (+69.6%)
2016
$2,284 (+154.6%)
2015
$897 (−60.0%)
2014
$2,240
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
Basement Information
Basement Sq. Ft: 1,566
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Building Style Type: Ranch
Building Construction Quality: Average
Exterior Wall: Wood Siding
Property Information
Subdivision Name: MARTIN
Living Sq. Ft: 1,836
Ground Floor Sq. Ft: 1,836
Building Sq. Ft: 1,836
# of Stories: 1
Stories Type: 1
Legal Description: MARTIN SUBDIVISION LOTS 12 & 13 & SE PART LOT 6 DESC AS COM S 363.47 FT OF NE COR LOT 6; TH S 188.53 FT, S 26 DEG 20 MIN W 246.7 FT, N 89 DEG W 291.8 FT, N 0 DEG 32 MIN E 271.5 FT, N 39 DEG 12 MIN E 160 FT, E 305.05 FT M/L TO POB ALSO LOT 11 EXC COM AT SW COR LOT 11; TH S 89 DEG E 64.6 FT, N 51 DEG 48 MIN W 259.35 FT TO W COR LOT 11, S 41 DEG E 212.4 FT TO POB, ALSO COM NELY 288.6 FT OF SW COR OF E 60 AC OF NE 1/4 ALG C/L KNOX RD; TH N 38 DEG 12 MIN E 31.4 FT, S 41 DEG E 168.5 FT TO S COR OF LOT 13, N 51 DEG 48 MIN W 165 FT TO POB SEC 32-6-5 2000 100-040-00
Parking & Garage Information
Garage/Parking Sq. Ft: 484
Lot Information
# of Buildings: 1
Land Sq. Ft: 142,441
Legal Lot Number: 6
Municipality Name: PORTLAND TWP
Acres: 3.27
Depth Footage: 680
Front Footage: 230
County Use Description: RESIDENTIAL IMPROVED
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: —
Baths: 1.5
Sq. Ft.: 1,836
Stories: 1.0
Lot Size: 3.27 acres
Style: Single Family Residential
Year Built: 1966
Year Renovated: —
County: Ionia County
APN: 140-100-000-040-10
Home facts updated by county records on Jul 17, 2026
Around this home
Schools
Oakwood Elementary School
Public PreK-2 • Assigned • 0.7mi
Portland Middle School
Public 6-8 • Assigned • 0.6mi
6/10
Portland High School
Public 9-12 • Assigned • 1.1mi
6/10
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 97° 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, 2 days in 30 years
Provided by First Street
Historical weather
Portland, MI • 48875
Average low and high temperatures (°F)
27
15
34
19
51
31
60
40
67
47
80
60
83
65
80
59
77
54
65
44
48
35
34
23
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.7 hours in
June and 2.4 hours in December, placing it below the
U.S. average for solar exposure.
9.7 hrs
2.4 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$315,000 – $381,000
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