Google street view image for 2021 Contra Costa Ave, Santa Rosa, CA 95405

OFF MARKET

$715,074

•

2 ba

•

1,456

sq ft

2021 Contra Costa Ave, Santa Rosa, CA 95405

About this home

2021 Contra Costa Ave is a 1,456 square foot house on a 7,544 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $715,074.

Single-familyProperty Type

1976Year Built

7,544 sq ftLot Size

$491Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$715,074

$2,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.2% lower than the average sale price ($746K) of 5 comparable homes.

SOLD JUL 17, 2026
$699,000
A
3 beds2 baths1,520 sq ft
4336 Leafwood Cir W, Santa Rosa, CA 95405
SOLD FEB 13, 2026
$785,000
B
3 beds2 baths1,414 sq ft
4235 Leafwood Cir E, Santa Rosa, CA 95405
SOLD JUN 17, 2026
$725,000
C
3 beds2 baths1,592 sq ft
1931 Marin Dr, Santa Rosa, CA 95405
SOLD AUG 3, 2026
$737,000
D
3 beds2 baths1,358 sq ft
1886 Neotomas Ave, Santa Rosa, CA 95405
SOLD JUN 10, 2026
$785,000
E
3 beds2 baths1,645 sq ft
2412 Horseshoe Dr, Santa Rosa, CA 95405

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Earn from this home

Sell

$677,033

Est. take-home

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Rent

$3,028/mo

Redfin rental estimate

List your home for rent

Market trends in 95405, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.2%

+0.1% MoM

Median sale price

$750K

$176 MoM

Avg. days on market

38d

1 days MoM

Recently sold homes

13 MoM

New listings for sale

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2140 Alejandro Dr, Santa Rosa, CA 95405
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4736 Shade Tree Ln, Santa Rosa, CA 95405
$1,595,000
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1816 Sherwood Cir, Santa Rosa, CA 95405
OPEN TODAY, 1PM TO 3PM
$739,950
4 beds3.5 baths2,439 sq ft
2319 Morningside Cir, Santa Rosa, CA 95405
OPEN TODAY, 12PM TO 2PM
$580,000
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1023 Michigan Dr, Santa Rosa, CA 95405
$685,000
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3 beds2 baths1,962 sq ft
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OPEN TODAY, 1PM TO 4PM
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3 beds2.5 baths2,029 sq ft
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See all

Provided by Redfin

Sale history for 2021 Contra Costa Ave

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

Year

Property tax

Land + Additions

Assessment*

2025

$7,979 (+177.4%)

$312,120 + $410,958

$723,078

2024

$2,876 (+1.6%)

$306,000 + $402,900

$708,900

2023

$2,829 (+4.4%)

$86,124 + $165,564

$251,688

2022

$2,711 (+1.9%)

$84,436 + $162,318

$246,754

2021

$2,660 (+0.4%)

$82,781 + $159,136

$241,917

2020

$2,650 (−0.7%)

$81,158 + $156,016

$237,174

2019

$2,669 (+0.7%)

$80,326 + $154,417

$234,743

2018

$2,649 (+2.3%)

$78,751 + $151,390

$230,141

2017

$2,589 (+4.6%)

$75,694 + $145,512

$221,206

2015

$2,474 (+3.9%)

$74,210 + $142,659

$216,869

2014

$2,381 (+0.6%)

$71,665 + $137,765

$209,430

2013

$2,366 (+2.0%)

$71,665 + $137,765

$209,430

2012

$2,321 (+2.3%)

$71,342 + $137,143

$208,485

2011

$2,268 (+3.7%)

$69,944 + $134,454

$204,398

2010

$2,188 (−0.6%)

$68,573 + $131,818

$200,391

2009

$2,201 (+2.0%)

$68,061 + $130,833

$198,894

2007

$2,158

$66,886 + $128,573

$195,459

Tax history for 2021 Contra Costa Ave

Year

Property tax

Land + Additions

Assessment*

2025

$7,979 (+177.4%)

$312,120 + $410,958

$723,078

2024

$2,876 (+1.6%)

$306,000 + $402,900

$708,900

2023

$2,829 (+4.4%)

$86,124 + $165,564

$251,688

2022

$2,711 (+1.9%)

$84,436 + $162,318

$246,754

2021

$2,660 (+0.4%)

$82,781 + $159,136

$241,917

2020

$2,650 (−0.7%)

$81,158 + $156,016

$237,174

2019

$2,669 (+0.7%)

$80,326 + $154,417

$234,743

2018

$2,649 (+2.3%)

$78,751 + $151,390

$230,141

2017

$2,589 (+4.6%)

$75,694 + $145,512

$221,206

2015

$2,474 (+3.9%)

$74,210 + $142,659

$216,869

2014

$2,381 (+0.6%)

$71,665 + $137,765

$209,430

2013

$2,366 (+2.0%)

$71,665 + $137,765

$209,430

2012

$2,321 (+2.3%)

$71,342 + $137,143

$208,485

2011

$2,268 (+3.7%)

$69,944 + $134,454

$204,398

2010

$2,188 (−0.6%)

$68,573 + $131,818

$200,391

2009

$2,201 (+2.0%)

$68,061 + $130,833

$198,894

2007

$2,158

$66,886 + $128,573

$195,459

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

Zoning

R-1-7.5

Single-Family Residential District - 7,500 sq ft

The R-1 zoning district is applied to areas of the City intended to be maintained as residential neighborhoods comprised of detached and attached single-family houses, clustered Residential hillside projects, and small multi-family projects, together with compatible accessory uses. The maximum allowable density ranges from 2 to 13 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the R-1 map symbol see Section 20-22.040. The R-1 zoning district implements and is consistent with the Residential Very Low Density where residential clustered on hillsides is desirable, Low Density or Open Space, Low Density, and Medium Low Density land use classifications of the General Plan.

Permitted uses

Include but are not limited to:

Agriculture-Other
Day care facility
Healthcare-Other
Housing-Single unit
Housing-Student
Housing-Other
Infrastructure-Other
Housing-Mobile home park

Property details

Interior

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 5

Exterior

Exterior Information
Foundation Type: Slab
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Wood Siding

Property Information
Subdivision Name: ANNADEL HEIGHTS SUB
Living Sq. Ft: 1,456
Ground Floor Sq. Ft: 1,456
Building Sq. Ft: 1,916
# of Stories: 1
Legal Description: ANNADEL HTS SUB 1 LOT 19

Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 460
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,544
Legal Lot Number: 19
Acres: 0.1732
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,456
Stories: 1.0
Lot Size: 7,544 square feet
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1978
County: Sonoma County
APN: 049494005000

Home facts updated by county records on Aug 13, 2026

Around this home

Schools

Strawberry Elementary School

Public 4-6 • Assigned • 0.2mi

6/10

Montgomery High School

Public 9-12 • Assigned • 1.1mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

2/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

0.93% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 92° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

15 unhealthy days expected this year, 17 days in 30 years

Provided by First Street

Historical weather

Santa Rosa, CA • 95405

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.2 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.2 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$680,000 – $823,000

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New listings for sale in 95405

OPEN TODAY, 11AM TO 4PM

$499,000

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OPEN TODAY, 1PM TO 4PM

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2140 Alejandro Dr, Santa Rosa, CA 95405

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2319 Morningside Cir, Santa Rosa, CA 95405

OPEN TODAY, 12PM TO 2PM

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Home values near 2021 Contra Costa Ave

Data from public records.

Address	Redfin Estimate
2100 Contra Costa Avenue, Santa Rosa, CA 3 Beds \| 2 Baths \| 1550 Sq. Ft.	$736,633
2012 Contra Costa Avenue, Santa Rosa, CA 2 Beds \| 2 Baths \| 1601 Sq. Ft.	$631,956

Address	Redfin Estimate
2101 Contra Costa Avenue, Santa Rosa, CA 3 Beds \| 2 Baths \| 1435 Sq. Ft.	$782,426
2008 Contra Costa Avenue, Santa Rosa, CA 3 Beds \| 2 Baths \| 1411 Sq. Ft.	$693,430

Address	Redfin Estimate
2016 Contra Costa Avenue, Santa Rosa, CA 3 Beds \| 2 Baths \| 1426 Sq. Ft.	$762,953
2004 Contra Costa Avenue, Santa Rosa, CA 3 Beds \| 2 Baths \| 1608 Sq. Ft.	$701,733

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 95405, CA

Sale history for 2021 Contra Costa Ave

Tax history for 2021 Contra Costa Ave

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 95405

Home values near 2021 Contra Costa Ave

More real estate resources