3919 Mud Bay Rd is a 912 square foot house on a 3.27 acre lot with 1 bedroom. Based on Redfin's Lopez Island data, we estimate the home's value is $622,455.
Single-familyProperty Type
1980Year Built
3.27 acresLot Size
$683Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$622,455
$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 40.9% lower than the average sale price ($1.05M) 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*
2026
$2,500 (+10.0%)
$211,070 + $151,270
$362,340
2025
$2,272 (+9.1%)
$211,070 + $151,270
$362,340
2024
$2,082 (+17.2%)
$201,020 + $143,470
$344,490
2023
$1,777 (−1.2%)
$180,920 + $147,970
$328,890
2022
$1,798 (+8.8%)
$131,400 + $126,340
$257,740
2021
$1,654 (−1.7%)
$109,500 + $102,080
$211,580
2020
$1,682 (+20.9%)
$109,500 + $93,150
$202,650
2019
$1,391 (−8.3%)
$109,500 + $60,350
$169,850
2018
$1,517 (+21.4%)
$109,500 + $66,730
$176,230
2017
$1,250 (+0.8%)
$114,970 + $56,330
$171,300
2016
$1,240 (+14.9%)
$114,970 + $56,330
$171,300
2014
$1,079 (−8.7%)
$104,520 + $51,420
$155,940
2013
$1,181 (+6.2%)
$104,520 + $73,040
$177,560
2012
$1,112 (−3.9%)
$119,000 + $75,170
$194,170
2011
$1,157 (+117.0%)
$134,160 + $71,650
$205,810
2010
$534 (−48.7%)
$134,160 + $71,650
$205,810
2009
$1,040
$134,160 + $71,650
$205,810
Tax history for 3919 Mud Bay Rd
Year
Property tax
Land + Additions
Assessment*
2026
$2,500 (+10.0%)
$211,070 + $151,270
$362,340
2025
$2,272 (+9.1%)
$211,070 + $151,270
$362,340
2024
$2,082 (+17.2%)
$201,020 + $143,470
$344,490
2023
$1,777 (−1.2%)
$180,920 + $147,970
$328,890
2022
$1,798 (+8.8%)
$131,400 + $126,340
$257,740
2021
$1,654 (−1.7%)
$109,500 + $102,080
$211,580
2020
$1,682 (+20.9%)
$109,500 + $93,150
$202,650
2019
$1,391 (−8.3%)
$109,500 + $60,350
$169,850
2018
$1,517 (+21.4%)
$109,500 + $66,730
$176,230
2017
$1,250 (+0.8%)
$114,970 + $56,330
$171,300
2016
$1,240 (+14.9%)
$114,970 + $56,330
$171,300
2014
$1,079 (−8.7%)
$104,520 + $51,420
$155,940
2013
$1,181 (+6.2%)
$104,520 + $73,040
$177,560
2012
$1,112 (−3.9%)
$119,000 + $75,170
$194,170
2011
$1,157 (+117.0%)
$134,160 + $71,650
$205,810
2010
$534 (−48.7%)
$134,160 + $71,650
$205,810
2009
$1,040
$134,160 + $71,650
$205,810
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 7, 2026 • Final
Building subgroup for area 3 - lopez/center/decatur and surrounding islands
Grading
Plumbing
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 Bathroom Fixtures: 5
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Block
Building Construction Quality: Low
Exterior Wall: Plywood
Building Type: Residential
View Information
View: Obstructed
Property Information
Subdivision Name: SNUG HARBOR SUB/LOPEZ ISLAND
Living Sq. Ft: 912
Ground Floor Sq. Ft: 912
Building Sq. Ft: 912
# of Stories: 1
Stories Type: 1
Legal Description: SUPP PLAT OF PAVEY'S ETC - LOT 15, VOL. 1 PG. 95A SEC 17, T 34N, R 1W
Parking & Garage Information
Parking Type: Detached Finished Garage
Garage/Parking Sq. Ft: 288
Garage / Carport Type: Detached Finished
Lot Information
# of Buildings: 1
Land Sq. Ft: 142,576
Legal Lot Number: 15
Municipality Name: LOPEZ
Acres: 3.2731
County Use Description: RESIDENTIAL SINGLE FAMILY UNIT
Utility Information
Sewer Type: Septic
Financial
Assessor Information
Assessment Year: 2025
Tax Area: LOPEZ
Public facts
Beds: 1
Baths: —
Sq. Ft.: 912
Stories: 1.0
Lot Size: 3.27 acres
Style: Single Family Residential
Year Built: 1980
Year Renovated: —
County: San Juan County
APN: 141750015000
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Lopez Elementary School
Public K-6 • Assigned • 4.1mi
6/10
Lopez Middle High School
Public 7-12 • Assigned • 4.1mi
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
1/10 Heat Factor
7 days above 76° expected this year, 20 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
8 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Lopez Island, WA • 98261
Average low and high temperatures (°F)
47
39
46
39
51
42
58
45
63
49
67
52
69
53
72
56
66
54
57
48
51
44
49
42
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.4 hours in
June and 1.8 hours in December, placing it below the
U.S. average for solar exposure.