Google street view image for 17529 Middlefield Rd, Sonoma, CA 95476

Off Market Sep 1999 for $181K

$719,687

Est. refi paymentEst. refi $1,174/mo

•

1 ba

•

912

sq ft

17529 Middlefield Rd, Sonoma, CA 95476

About this home

17529 Middlefield Rd is a 912 square foot house on a 9,840 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on September 15, 1999 for $181,000. Based on Redfin's Sonoma data, we estimate the home's value is $719,687.

Single-familyProperty Type

1939Year Built

9,840 sq ftLot Size

$789Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$719,687

$539K since sold in September 1999$8,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.4% higher than the average sale price ($603K) of 6 comparable homes.

BOUGHT WITH REDFIN JUL 17, 2026
$495,000
A
1 bed1 bath675 sq ft
17153 Park Ave, Sonoma, CA 95476
SOLD JUL 31, 2026
$645,000
B
2 beds1.5 baths1,223 sq ft
17705 Sunset Way, Sonoma, CA 95476
SOLD AUG 17, 2026
$541,000
C
2 beds1 bath708 sq ft
18090 Las Lomas Rd, Sonoma, CA 95476
SOLD JUL 7, 2026
$750,000
D
2 beds2 baths834 sq ft
710 E Thomson Ave, Sonoma, CA 95476
SOLD MAR 25, 2026
$575,000
E
2 beds1 bath916 sq ft
328 Dechene Ave, Sonoma, CA 95476
SOLD APR 20, 2026
$610,000
F
2 beds1 bath920 sq ft
151 Fetters Ave, Sonoma, CA 95476

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Earn from this home

Sell

$657,407

Est. take-home

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Refinance

Est. cash available

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Rent

$2,837/mo

Redfin rental estimate

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Market trends in 95476, CA

Last updated August 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

97.9%

0.4% MoM

Median sale price

$1.1M

$78K MoM

Avg. days on market

48d

9 days MoM

Recently sold homes

121

0 MoM

New listings for sale

EARLY ACCESS
$149,000
2 beds1 bath600 sq ft
50 Ramon St, Sonoma, CA 95476
EARLY ACCESS
$1,350,000
4 beds3 baths2,290 sq ft
185 Cooper St, Sonoma, CA 95476
$798,000
3 beds2 baths1,565 sq ft
18343 Lucas Ave, Sonoma, CA 95476
$1,295,000
4 beds3 baths— sq ft
18350 Arnold Dr, Sonoma, CA 95476
$750,000
2 beds2 baths1,436 sq ft
483 La Quinta Ln, Sonoma, CA 95476
$1,095,000
2 beds2 baths1,100 sq ft
21355 Hyde Rd, Sonoma, CA 95476
$699,000
2 beds2 baths1,376 sq ft
177 Temelec Cir, Sonoma, CA 95476
OPEN THU, 3PM TO 5PM
$1,599,000
4 beds3 baths2,380 sq ft
405 Brockman Ln, Sonoma, CA 95476
$288,000
2 beds2 baths1,440 sq ft
25 Benicia Way, Sonoma, CA 95476
$785,000
3 beds2 baths— sq ft
191 Theodor Ln, Sonoma, CA 95476
See all

Provided by Redfin

Sale history for 17529 Middlefield Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,306 (+7.1%)

$141,082 + $142,651

$283,733

2024

$4,956 (+11.0%)

$138,316 + $139,854

$278,170

2023

$4,464 (+1.8%)

$135,604 + $137,112

$272,716

2022

$4,386 (−2.0%)

$132,946 + $134,424

$267,370

2021

$4,477 (−0.8%)

$130,340 + $131,789

$262,129

2020

$4,515 (−1.7%)

$127,785 + $129,205

$256,990

2019

$4,592 (+0.9%)

$126,475 + $127,881

$254,356

2018

$4,551 (+4.6%)

$123,996 + $125,374

$249,370

2017

$4,352 (+5.0%)

$119,182 + $159,035

$278,217

2015

$4,145 (+2.1%)

$116,846 + $155,917

$272,763

2014

$4,060 (+5.9%)

$112,837 + $150,567

$263,404

2013

$3,835 (+3.3%)

$112,837 + $150,567

$263,404

2012

$3,714 (+24.4%)

$105,000 + $140,500

$245,500

2011

$2,985 (−0.2%)

$105,000 + $140,500

$245,500

2010

$2,991 (−5.9%)

$94,000 + $95,000

$189,000

2009

$3,180 (+3.3%)

$96,000 + $97,000

$193,000

2007

$3,080

$105,310 + $106,480

$211,790

Tax history for 17529 Middlefield Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,306 (+7.1%)

$141,082 + $142,651

$283,733

2024

$4,956 (+11.0%)

$138,316 + $139,854

$278,170

2023

$4,464 (+1.8%)

$135,604 + $137,112

$272,716

2022

$4,386 (−2.0%)

$132,946 + $134,424

$267,370

2021

$4,477 (−0.8%)

$130,340 + $131,789

$262,129

2020

$4,515 (−1.7%)

$127,785 + $129,205

$256,990

2019

$4,592 (+0.9%)

$126,475 + $127,881

$254,356

2018

$4,551 (+4.6%)

$123,996 + $125,374

$249,370

2017

$4,352 (+5.0%)

$119,182 + $159,035

$278,217

2015

$4,145 (+2.1%)

$116,846 + $155,917

$272,763

2014

$4,060 (+5.9%)

$112,837 + $150,567

$263,404

2013

$3,835 (+3.3%)

$112,837 + $150,567

$263,404

2012

$3,714 (+24.4%)

$105,000 + $140,500

$245,500

2011

$2,985 (−0.2%)

$105,000 + $140,500

$245,500

2010

$2,991 (−5.9%)

$94,000 + $95,000

$189,000

2009

$3,180 (+3.3%)

$96,000 + $97,000

$193,000

2007

$3,080

$105,310 + $106,480

$211,790

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

Permits

May 25, 2018 • Final

Demolition

Demolish illegal improvements in a garage that was converted to a dwelling unit. Remove all associated plumbing, electrical, and mechanical systems.

Demolition

Jun 11, 2016 • Final

Building permit with plan check

ADU

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 Full Baths: 1

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 4

Exterior

Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average

Property Information
Subdivision Name: SONOMA HLNDS 01
Living Sq. Ft: 912
Ground Floor Sq. Ft: 912
Building Sq. Ft: 1,168
# of Stories: 1
Legal Description: NO 01 SONOMA HGLNDS BLK 00001 LOT 001516 MAP 000030 00027

Parking & Garage Information
Garage/Parking Sq. Ft: 316

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,840
Legal Lot Number: 15,16
Legal Block Number: 1
Acres: 0.2259
Zoning Code: R15UA
County Use Description: SINGLE FAM DWELLING

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 912
Stories: 1.0
Lot Size: 9,840 square feet
Style: Single Family Residential
Year Built: 1939
Year Renovated: 1980
County: Sonoma County
APN: 056335017000

Home facts updated by county records on Aug 13, 2026

Around this home

Schools

Flowery Elementary School

Public K-5 • Assigned • 0.3mi

5/10

Adele Harrison Middle School

Public 6-8 • Assigned • 3.0mi

4/10

Sonoma Valley High School

Public 9-12 • Assigned • 2.8mi

7/10

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

4/10 Fire Factor

2% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

19 unhealthy days expected this year, 19 days in 30 years

Provided by First Street

Historical weather

Sonoma, CA • 95476

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 11.3 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.3 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$684,000 – $828,000

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New listings for sale in 95476

EARLY ACCESSSOTHEBY'S INTERNATIONAL REALTY COMING SOON

$149,000

2 beds1 bath600 sq ft

50 Ramon St, Sonoma, CA 95476

EARLY ACCESSCOMPASS COMING SOON

$1,350,000

4 beds3 baths2,290 sq ft

185 Cooper St, Sonoma, CA 95476

$798,000

3 beds2 baths1,565 sq ft

18343 Lucas Ave, Sonoma, CA 95476

$1,295,000

4 beds3 baths— sq ft

18350 Arnold Dr, Sonoma, CA 95476

$750,000

2 beds2 baths1,436 sq ft

483 La Quinta Ln, Sonoma, CA 95476

$1,095,000

2 beds2 baths1,100 sq ft

21355 Hyde Rd, Sonoma, CA 95476

$699,000

2 beds2 baths1,376 sq ft

177 Temelec Cir, Sonoma, CA 95476

OPEN THU, 3PM TO 5PM3D WALKTHROUGH

$1,599,000

4 beds3 baths2,380 sq ft

405 Brockman Ln, Sonoma, CA 95476

$288,000

2 beds2 baths1,440 sq ft

25 Benicia Way, Sonoma, CA 95476

Home values near 17529 Middlefield Rd

Data from public records.

Address	Redfin Estimate
17551 Middlefield Road, Sonoma, CA 3 Beds \| 1 Baths \| 2108 Sq. Ft.	$858,078
17641 Middlefield Road, Sonoma, CA 2 Beds \| 1 Baths \| 840 Sq. Ft.	$685,751

Address	Redfin Estimate
17550 Middlefield Road, Sonoma, CA 4 Beds \| 2 Baths \| 1664 Sq. Ft.	$810,610
17631 Middlefield Road, Sonoma, CA 4 Beds \| 3 Baths \| 1363 Sq. Ft.	$771,659

Address	Redfin Estimate
17546 Middlefield Road, Sonoma, CA 2 Beds \| 2 Baths \| 1134 Sq. Ft.	$867,278
17601 Middlefield Road, Sonoma, CA 2 Beds \| 1 Baths \| 776 Sq. Ft.	$564,859

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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 95476, CA

Sale history for 17529 Middlefield Rd

Tax history for 17529 Middlefield Rd

Permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 95476

Home values near 17529 Middlefield Rd

More real estate resources