4235 Rock Rd is a 1,658 square foot house on a 7 acre lot with 4 bedrooms and 1 bathroom. Based on Redfin's Sumas data, we estimate the home's value is $605,593.
Single-familyProperty Type
1930Year Built
7 acresLot Size
$365Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$605,593
$42K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.6% higher than the average sale price ($596K) 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
$5,828 (−3.0%)
$392,701 + $223,708
$616,409
2025
$6,009 (+30.8%)
$392,701 + $223,708
$616,409
2024
$4,593 (+3.6%)
$332,560 + $150,146
$482,706
2023
$4,432 (+15.5%)
$332,560 + $150,146
$482,706
2022
$3,838 (+1.1%)
$299,609 + $135,269
$434,878
2021
$3,798 (+15.4%)
$234,064 + $105,677
$339,741
2020
$3,291 (+18.8%)
$198,360 + $89,557
$287,917
2019
$2,770 (−4.0%)
$171,000 + $77,204
$248,204
2017
$2,887 (+0.9%)
$95,360 + $78,891
$174,251
2016
$2,860 (+14.2%)
$84,960 + $117,526
$202,486
2015
$2,503 (+1.5%)
$80,080 + $110,776
$190,856
2014
$2,467 (−4.0%)
$78,800 + $109,005
$187,805
2013
$2,570 (+0.4%)
$78,800 + $109,005
$187,805
2011
$2,560 (−5.0%)
$83,660 + $103,390
$187,050
2010
$2,695 (+2.1%)
$94,000 + $112,995
$206,995
2009
$2,640
$94,000 + $112,995
$206,995
Tax history for 4235 Rock Rd
Year
Property tax
Land + Additions
Assessment*
2026
$5,828 (−3.0%)
$392,701 + $223,708
$616,409
2025
$6,009 (+30.8%)
$392,701 + $223,708
$616,409
2024
$4,593 (+3.6%)
$332,560 + $150,146
$482,706
2023
$4,432 (+15.5%)
$332,560 + $150,146
$482,706
2022
$3,838 (+1.1%)
$299,609 + $135,269
$434,878
2021
$3,798 (+15.4%)
$234,064 + $105,677
$339,741
2020
$3,291 (+18.8%)
$198,360 + $89,557
$287,917
2019
$2,770 (−4.0%)
$171,000 + $77,204
$248,204
2017
$2,887 (+0.9%)
$95,360 + $78,891
$174,251
2016
$2,860 (+14.2%)
$84,960 + $117,526
$202,486
2015
$2,503 (+1.5%)
$80,080 + $110,776
$190,856
2014
$2,467 (−4.0%)
$78,800 + $109,005
$187,805
2013
$2,570 (+0.4%)
$78,800 + $109,005
$187,805
2011
$2,560 (−5.0%)
$83,660 + $103,390
$187,050
2010
$2,695 (+2.1%)
$94,000 + $112,995
$206,995
2009
$2,640
$94,000 + $112,995
$206,995
*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: 276
Basement Type: Unfinished
Bathroom Information
# of Full Baths: 1
# of Bathroom Fixtures: 5
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Physical Condition: Fair
Foundation Type: Concrete
Exterior Wall: Stucco
Roof Covering Type: Metal
Roof Shape Type: Metal
Property Information
Living Sq. Ft: 1,658
Ground Floor Sq. Ft: 1,238
Building Sq. Ft: 1,934
# of Stories: 1.5
Stories Type: 1 1/2
Legal Description: W 530 FT OF THAT PTN OF GOVT LOT 3--NE NW--LY NLY OF CTR OF PERRY CREEK-WLY OF CTR OF SUMAS CREEK-LESS RD-OR BEG AT NW COR OF E 1/2 NW--LOT 3--SEC 2-TH E 530 FT-TH S TO CTR OF PERRY CREEK-TH W TO CTR OF CO RD-TH N TO BEG-LESS RD
Lot Information
# of Buildings: 1
Land Sq. Ft: 304,920
Legal Lot Number: 3
Municipality Name: SUMAS 506 L
Acres: 7
Zoning Code: RS15.0
County Use Description: RESIDENTIAL 4 BEDROOM
Financial
Assessor Information
Assessment Year: 2025
Tax District County: SUMAS 506 L
Public facts
Beds: 4
Baths: 1.0
Sq. Ft.: 1,658
Stories: 1.5
Lot Size: 7 acres
Style: Single Family Residential
Year Built: 1930
Year Renovated: —
County: Whatcom County
APN: 4004021665370000
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Sumas Elementary School
Public PreK-5 • Assigned • 0.2mi
6/10
Nooksack Valley High School
Public 7-12 • Assigned • 3.0mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
10/10 Flood Factor
Estimated 80%+ chance 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
7 days above 87° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
13 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Sumas, WA • 98295
Average low and high temperatures (°F)
45
34
45
34
52
40
62
43
68
49
73
54
79
55
78
57
72
53
58
45
49
41
47
38
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 7 hours in
June and 1.6 hours in December, placing it below the
U.S. average for solar exposure.
7 hrs
1.6 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$576,000 – $697,000
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