18420 SE May Valley Rd is a 3,050 square foot house on a 2.72 acre lot with 3 bedrooms and 3.5 bathrooms. - it last sold on April 27, 1984 for $125,000. Based on Redfin's Issaquah data, we estimate the home's value is $1,235,945.
Single-familyProperty Type
1945Year Built
2.72 acresLot Size
$405Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,235,945
$1.1M since sold in April 1984$54K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 86.8% higher than the average sale price ($662K) of 5 comparable homes.
*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: 1,070
Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1
Heating & Cooling
Heating Fuel Type: Oil
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Average
Building Type: Single Family
Property Information
Subdivision Name: SHORT #478060
Living Sq. Ft: 1,640
Ground Floor Sq. Ft: 1,180
Building Sq. Ft: 2,710
# of Stories: 1.5
Legal Description: LOT 1 TGW UNDIVIDED INTEREST IN TRACT A OF K C SHORT PLAT NO S90S0159 RECORDING NO 9604179001 SAID SHORT PLAT DAF - LOT 1 OF K C SHORT PLAT NO 478060 RECORDING NO 7904271127 BEING A PORTION OF NW 1/4 LESS C & M RIGHTS PLAT BLOCK: PLAT LOT:
Lot Information
# of Buildings: 1
Land Sq. Ft: 118,483
Legal Lot Number: 1
Municipality Name: KING COUNTY
Acres: 2.72
Zoning Code: RA5P
County Use Description: SINGLE FAMILY(RES USE/ZONE)
Utility Information
Sewer Type: Private
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.25
Sq. Ft.: 3,050
Stories: 1.5
Parking Spaces: —
Basement: Yes
Accessible: No
Lot Size: 2.72 acres
Style: Single Family Residential
Year Built: 1945
Year Renovated: 2024
County: King County
APN: 072306 9005
HOA Dues: —
Garage: Yes
Features: —
Home facts updated by owner on Apr 27, 2025
Around this home
Schools
Apollo Elementary School
Public PreK-5 • Assigned • 2.1mi
10/10
Maywood Middle School
Public 6-8 • Assigned • 2.1mi
8/10
Liberty Senior High School
Public 9-12 • Assigned • 1.7mi
10/10
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
3/10 Heat Factor
8 days above 86° expected this year, 18 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
10 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Issaquah, WA • 98027
Average low and high temperatures (°F)
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78
56
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71
54
59
45
50
41
47
39
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Sun exposure
In this area, properties receive around 8.8 hours in
June and 1.7 hours in December, placing it below the
U.S. average for solar exposure.
8.8 hrs
1.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.18M – $1.42M
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