Google street view image for 21820 9th Ave SE, Bothell, WA 98021

OFF MARKET

$484,109

•

1 ba

•

1,152

sq ft

21820 9th Ave SE, Bothell, WA 98021

About this home

21820 9th Ave SE is a 1,152 square foot home on a 0.33 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Bothell data, we estimate the home's value is $484,109.

ManufacturedProperty Type

1982Year Built

0.33 acresLot Size

$420Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$484,109

$4,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 34% lower than the average sale price ($734K) of 6 comparable homes.

SOLD JAN 27, 2026
$775,000
A
3 beds1.5 baths1,482 sq ft
21911 4th Ave SE, Bothell, WA 98021
SOLD APR 24, 2026
$699,950
B
3 beds1.5 baths1,218 sq ft
21713 Meridian Ave S, Bothell, WA 98021
SOLD MAY 4, 2026
$730,000
C
3 beds2 baths1,288 sq ft
224 224th St SW, Bothell, WA 98021
SOLD AUG 7, 2026
$750,000
D
3 beds2 baths1,558 sq ft
21812 2nd Ave SE, Bothell, WA 98021
SOLD MAR 18, 2026
$749,000
E
3 beds1 bath1,268 sq ft
422 216th St SW, Bothell, WA 98021
SOLD APR 23, 2026
$700,000
F
3 beds1 bath960 sq ft
624 217th St SW, Bothell, WA 98021

Claim this home to receive a free report every month with insights on the changing estimate.

Market trends in 98021, WA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.7%

0.1% MoM

Median sale price

$1.2M

$75K MoM

Avg. days on market

15d

2 days MoM

Recently sold homes

113

2 MoM

New listings for sale

OPEN SUN, 1PM TO 4PM
$970,000
4 beds2.5 baths2,131 sq ft
1331 238th Pl SW, Bothell, WA 98021
Gina Guajardo • eXp Realty
NEW 25 HRS AGO
$1,599,000
5 beds3 baths3,099 sq ft
21321 37th Ave SE, Bothell, WA 98021
Mary Ong • RE/MAX Northwest
OPEN SUN, 12PM TO 3PM
$365,000
2 beds1 bath871 sq ft
3926 243rd Pl SE Unit H-303, Bothell, WA 98021
Tan Pham • COMPASS
OPEN TODAY, 2PM TO 4PM
$1,065,000
5 beds3 baths2,336 sq ft
3814 219th Pl SE, Bothell, WA 98021
Tonya Tye • Windermere RE North, Inc.
$1,695,000
5 beds3.5 baths3,698 sq ft
315 241st St SW, Bothell, WA 98021
Willie Fan • John L. Scott, Inc.
$329,000
1 bed1 bath739 sq ft
3901 243rd Pl SE Unit O103, Bothell, WA 98021
Kyle Maple • John L. Scott Mill Creek
OPEN SUN, 11AM TO 1PM
$1,599,999
5 beds3 baths3,926 sq ft
114 231st St SE, Bothell, WA 98021
Willie Fan • John L. Scott, Inc.
OPEN SUN, 11AM TO 1PM
$1,299,000
4 beds3 baths2,420 sq ft
23629 45th Ave SE, Bothell, WA 98021
Komal Sharma • John L. Scott, Inc.
$750,000
3 beds2 baths1,036 sq ft
20818 Royal Anne Rd, Bothell, WA 98021
Bella Reid • Real Broker LLC
$1,125,000
5 beds2.5 baths2,727 sq ft
1706 239th St SW, Bothell, WA 98021
Shelley Hagstrom • Windermere RE North, Inc.
See all

Provided by Redfin

Sale history for 21820 9th Ave SE

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2026

$4,484 (+14.9%)

$412,300 + $37,800

$450,100

2025

$3,904 (+5.3%)

$412,300 + $37,800

$450,100

2024

$3,706 (−0.4%)

$387,500 + $38,500

$426,000

2023

$3,720 (+7.9%)

$428,700 + $39,400

$468,100

2022

$3,448 (+9.9%)

$300,900 + $49,200

$350,100

2021

$3,136 (+5.2%)

$243,200 + $50,100

$293,300

2020

$2,979 (+18.6%)

$243,200 + $50,100

$293,300

2019

$2,513 (+8.5%)

$236,600 + $43,000

$279,600

2018

$2,315 (+18.9%)

$144,300 + $36,500

$180,800

2017

$1,947 (+15.1%)

$144,300 + $36,500

$180,800

2016

$1,692 (+2.7%)

$144,300 + $36,500

$180,800

2015

$1,647 (−5.8%)

$111,300 + $38,000

$149,300

2014

$1,749 (−9.2%)

$111,300 + $38,000

$149,300

2013

$1,925 (+3.3%)

$111,700 + $35,200

$146,900

2012

$1,863 (−2.3%)

$112,500 + $44,400

$156,900

2011

$1,907 (−2.6%)

$112,500 + $50,600

$163,100

2010

$1,957

$153,000 + $53,600

$206,600

2009

$1,957

$153,000 + $53,600

$206,600

Tax history for 21820 9th Ave SE

Year

Property tax

Land + Additions

Assessment*

2026

$4,484 (+14.9%)

$412,300 + $37,800

$450,100

2025

$3,904 (+5.3%)

$412,300 + $37,800

$450,100

2024

$3,706 (−0.4%)

$387,500 + $38,500

$426,000

2023

$3,720 (+7.9%)

$428,700 + $39,400

$468,100

2022

$3,448 (+9.9%)

$300,900 + $49,200

$350,100

2021

$3,136 (+5.2%)

$243,200 + $50,100

$293,300

2020

$2,979 (+18.6%)

$243,200 + $50,100

$293,300

2019

$2,513 (+8.5%)

$236,600 + $43,000

$279,600

2018

$2,315 (+18.9%)

$144,300 + $36,500

$180,800

2017

$1,947 (+15.1%)

$144,300 + $36,500

$180,800

2016

$1,692 (+2.7%)

$144,300 + $36,500

$180,800

2015

$1,647 (−5.8%)

$111,300 + $38,000

$149,300

2014

$1,749 (−9.2%)

$111,300 + $38,000

$149,300

2013

$1,925 (+3.3%)

$111,700 + $35,200

$146,900

2012

$1,863 (−2.3%)

$112,500 + $44,400

$156,900

2011

$1,907 (−2.6%)

$112,500 + $50,600

$163,100

2010

$1,957

$153,000 + $53,600

$206,600

2009

$1,957

$153,000 + $53,600

$206,600

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

R-7,200

Residential

The intent of residential zoning classifications (R 40,000, R 9,600, R 8,400, R 7,200, R 5,400d, R 5,400a, R 4,000, R 2,800, R-AC) is to provide locations for a range of densities and housing types to ensure a broad choice of attractive and affordable living accommodations to persons desiring to reside in Bothell. Residential zones may contain as outright permitted uses or conditional uses certain nonresidential uses which enhance the community including but not limited to schools, churches and parks.

Property details

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Type: Forced Air Electric

Fireplace Information
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Foundation Type: Pier
Building Style Type: Mobile Home
Building Construction Quality: Average
Roof Shape Type: Gable
Building Type: Single Family

Mobile Home Information
Is Mobile Home

Property Information
Subdivision Name: CLIFFORDS BOTHELL FARMS
Living Sq. Ft: 1,152
Ground Floor Sq. Ft: 1,152
Building Sq. Ft: 1,152
# of Stories: 1
Stories Type: 1 Story With Basement
Legal Description: SECTION 30 TOWNSHIP 27 RANGE 05 QUARTER NW CLIFFORDS BOTHELL FARMS BLK 000 D-05 - COM AT NE COR OF TR 14 TH S89*48 26W ALG N LN THOF 129.31FT TO TPB TH S00*14 16E 20FT TH S89*48 26W 82.38FT THS27*41 43W 131.51FT TAP ON NLY MGN SR 405 AS CONVYD TO ST OF WA FOR RDS AF NO 1910170 & 1936181 SD PT LY ON ARC OF A CRV TO R FR WH TH RAD PT BEARS N48*08 29E TH ALG SD CRV TO R HAV A RAD OF 2880FTTHRU A C/A OF 03*32 00 AN ARC DIST OF 177.60FT TAP ON N LN SD TR 14 TH N89*48 26E ALG SD N LN 257.78FT TO TPB AKA LOT 4 SP 12 (1-82) TGW UND 1/3 INT IN PRIVATE RD DAF - BEG AT NE COR SD TR 14 THS00*14 16E ALG E LN THOF 30FT TH S89*48 26W 112FT TH N60*11 37W 20FT TH N00*14 16W 20FT TO N LN SD TR 14 TH N89*48 26E ALG SD N LN 129.11FT TO POB AKA LOT 4 SP 12 (1-8

Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 1,113
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 14,375
Legal Lot Number: 4
School Tax District: NORTHSHORE
Municipality Name: BOTHELL
Acres: 0.33
Zoning Code: R9600
County Use Description: MANUFACTURED HOME (OWNED SITE)

Utility Information
Utility Type: Electric Pole

Financial

Assessor Information
Assessment Year: 2025
Tax District County: BOTHELL

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,152
Stories: 1.0
Lot Size: 0.33 acres
Style: Mobile/Manufactured Home
Year Built: 1982
Year Renovated: —
County: Snohomish County
APN: 00411100001405

Home facts updated by county records on Jun 12, 2026

Around this home

Schools

Crystal Springs Elementary School

Public PreK-5 • Assigned • 0.2mi

9/10

Canyon Park Junior High School

Public 6-8 • Assigned • 1.5mi

6/10

Bothell High School

Public 9-12 • Assigned • 2.8mi

9/10

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

7 days above 86° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

6/10 Air Factor

9 unhealthy days expected this year, 9 days in 30 years

Provided by First Street

Historical weather

Bothell, WA • 98021

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

Try the sun simulator tool to see how light moves across the property at different times of day and year.

Provided by Shadowmap

Is this your home?

Track this home’s value and nearby sales activity

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New listings for sale in 98021

OPEN SUN, 1PM TO 4PM

$970,000

4 beds2.5 baths2,131 sq ft

1331 238th Pl SW, Bothell, WA 98021

Gina Guajardo • eXp Realty

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$1,599,000

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Mary Ong • RE/MAX Northwest

OPEN SUN, 12PM TO 3PM

$365,000

2 beds1 bath871 sq ft

3926 243rd Pl SE Unit H-303, Bothell, WA 98021

Tan Pham • COMPASS

OPEN TODAY, 2PM TO 4PM

$1,065,000

5 beds3 baths2,336 sq ft

3814 219th Pl SE, Bothell, WA 98021

Tonya Tye • Windermere RE North, Inc.

$1,695,000

5 beds3.5 baths3,698 sq ft

315 241st St SW, Bothell, WA 98021

Willie Fan • John L. Scott, Inc.

$329,000

1 bed1 bath739 sq ft

3901 243rd Pl SE Unit O103, Bothell, WA 98021

Kyle Maple • John L. Scott Mill Creek

OPEN SUN, 11AM TO 1PM

$1,599,999

5 beds3 baths3,926 sq ft

114 231st St SE, Bothell, WA 98021

Willie Fan • John L. Scott, Inc.

OPEN SUN, 11AM TO 1PM3D & VIDEO TOUR

$1,299,000

4 beds3 baths2,420 sq ft

23629 45th Ave SE, Bothell, WA 98021

Komal Sharma • John L. Scott, Inc.

$750,000

3 beds2 baths1,036 sq ft

20818 Royal Anne Rd, Bothell, WA 98021

Bella Reid • Real Broker LLC

Home values near 21820 9th Ave SE

Data from public records.

Address	Redfin Estimate
21906 9th Avenue Southeast, Bothell, WA 3 Beds \| 1 Baths \| 1559 Sq. Ft.	$700,231
21822 9th Avenue Southeast, Bothell, WA 3 Beds \| 2 Baths \| 1550 Sq. Ft.	$581,897

Address	Redfin Estimate
21824 9th Avenue Southeast, Bothell, WA 2 Beds \| 1 Baths \| 768 Sq. Ft.	$582,611
21913 9th Avenue Southeast, Bothell, WA 3 Beds \| 2.5 Baths \| 1612 Sq. Ft.	$799,974

Address	Redfin Estimate
21826 9th Avenue Southeast, Bothell, WA 4 Beds \| 3 Baths \| 2102 Sq. Ft.	—
21912 9th Avenue Southeast, Bothell, WA 3 Beds \| 1 Baths \| 1559 Sq. Ft.	$622,740

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Market trends in 98021, WA

Sale history for 21820 9th Ave SE

Tax history for 21820 9th Ave SE

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Is this your home?

Nearby similar homes

New listings for sale in 98021

Home values near 21820 9th Ave SE

More real estate resources