Sonoma Mountain Rd, Petaluma, CA Property Records

Sonoma County property records for 34 addresses on Sonoma Mountain Rd, Petaluma, CA · Last verified August 2026

Sonoma Mountain Rd Highlights

Properties 34
Median Sale Price $1,475,000
Deeds and Mortgages on File 56
Median Price per Sqft $952
Owner Occupied 38%
Median Annual Tax Bill $10,429
Median Year Built 1978
Median Ownership Tenure 16 years

Properties on Sonoma Mountain Rd

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

39 Sonoma Mountain Rd

3 bd · 2 ba · 1,752 sqft · built 1984 · 4.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,2042025 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

50 Sonoma Mountain Rd

2 bd · 2 ba · 1,438 sqft · built 1947 · 16.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5312025 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

157 Sonoma Mountain Rd

3 bd · 2 ba · 2,300 sqft · built 1989 · 21 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000May 2007 $24,3612025 2 Owners on Record Assessor + 2 DocumentsUpdated May 2026

275 Sonoma Mountain Rd

4 bd · 3.5 ba · 4,683 sqft · built 1968 · 37.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9252025 2 Owners on Record Assessor + 1 DocumentUpdated Apr 2026

421 Sonoma Mountain Rd

3 bd · 1 ba · 955 sqft · built 1951 · 130 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,235,454Jan 2017 $6,7342025 Owner on Record Assessor + 3 DocumentsUpdated Apr 2026

460 Sonoma Mountain Rd

3 bd · 2.5 ba · 3,929 sqft · built 2012 · 40 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Nov 2005 $26,9362025 Amount on Record Aug 2005 2 Owners on Record AssessorUpdated Apr 2026

464 Sonoma Mountain Rd

3 bd · 3 ba · 6,760 sqft · built 2021 · 29.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000Feb 2010 $14,0512025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

470 Sonoma Mountain Rd

2 bd · 1 ba · 1,638 sqft · built 1900 · 99.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,050,000Dec 2022 $36,3802025 Amount on Record Jan 2015 Owner on Record Assessor + 5 DocumentsUpdated Apr 2026

480 Sonoma Mountain Rd

3 bd · 2 ba · 1,914 sqft · built 1953 · 15.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,420,000Aug 2020 $17,8522025 Amount on Record Jan 2009 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

485 Sonoma Mountain Rd

5 bd · 3 ba · 2,831 sqft · built 1959 · 40 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3522025 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

490 Sonoma Mountain Rd

8 bd · 2.5 ba · 6,105 sqft · built 2015 · 114 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Aug 2005 $39,8232025 Owner on Record Assessor + 1 DocumentUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
—Mar 1994 $4,6852025 —Dec 1993 2 Owners on Record AssessorUpdated Aug 2026

501 Sonoma Mountain Rd

3 bd · 2.5 ba · 2,438 sqft · built 1986 · 8.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,400,000Apr 2022 $29,2612025 Amount on Record Oct 2017 Owner on Record Assessor + 8 DocumentsUpdated Apr 2026

503 Sonoma Mountain Rd

3 bd · 2 ba · 1,696 sqft · built 1978 · 6.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,475,000Apr 2021 $18,5042025 Amount on Record Jun 2019 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

511 Sonoma Mountain Rd

3 bd · 2 ba · 2,547 sqft · built 1984 · 6.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,200,000Feb 2025 $16,9722025 Amount on Record Mar 2021 2 Owners on Record Assessor + 3 DocumentsUpdated Apr 2026

525 Sonoma Mountain Rd

2 bd · 3 ba · 2,836 sqft · built 1978 · 8.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$549,000Jan 1996 $11,6202025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

545 Sonoma Mountain Rd

3 bd · 3.5 ba · 2,711 sqft · built 1975 · 68.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Jul 1996 $8,6452025 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

550 Sonoma Mountain Rd

6 bd · 2.5 ba · 3,528 sqft · built 1964 · 194 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Aug 2010 $3,7862025 Owner on Record AssessorUpdated Apr 2026

600 Sonoma Mountain Rd

4 bd · 3 ba · 2,937 sqft · built 1969 · 3.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Apr 1990 $10,7832025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

750 Sonoma Mountain Rd

4 bd · 3.5 ba · 9,621 sqft · built 1986 · 354 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,5402025 Owner on Record Assessor + 4 DocumentsUpdated Apr 2026

2430 Sonoma Mountain Rd

3 bd · 3 ba · 3,442 sqft · built 2003 · 15.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000Sep 1997 $16,5082025 Owner on Record Owner Occupied AssessorUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
$642,500Nov 2002 $10,9592025 Amount on Record Mar 2000 Owner on Record AssessorUpdated Apr 2026

2900 Sonoma Mountain Rd

2 bd · 1 ba · 1,208 sqft · built 1979 · 2.07 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7622025 Owner on Record Owner Occupied AssessorUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
$854,000May 2023 $4712025 2 Owners on Record Assessor + 1 DocumentUpdated May 2026

2955 Sonoma Mountain Rd

1 bd · 1 ba · 897 sqft · built 1952 · 1.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$854,000May 2023 $10,4292025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

2960 Sonoma Mountain Rd

2 bd · 1 ba · 1,276 sqft · built 1915 · 31.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$522,700Jul 1992 $8,2212025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

2965 Sonoma Mountain Rd

3 bd · 1.5 ba · 2,881 sqft · built 1996 · 120 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,6752025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

2970 Sonoma Mountain Rd

1 bd · 1 ba · 7,992 sqft · built 1988 · 53.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$27,9592025 Owner on Record AssessorUpdated Apr 2026

2975 Sonoma Mountain Rd

1 bd · 1 ba · 1,020 sqft · built 1963 · 1.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,1892025 Owner on Record AssessorUpdated May 2026

3100 Sonoma Mountain Rd

3 bd · 2.5 ba · 1,474 sqft · built 1933 · 253 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,000,000Dec 2014 $7,8952025 Amount on Record Dec 2008 Owner on Record AssessorUpdated Aug 2026

3124 Sonoma Mountain Rd

3 bd · 2 ba · 1,032 sqft · 547 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,6172025 Owner on Record AssessorUpdated Apr 2026

3150 Sonoma Mountain Rd

3 bd · 2 ba · 2,226 sqft · built 2016 · 315 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,000,000Dec 2014 $9,8872025 Amount on Record Dec 2008 Owner on Record AssessorUpdated Aug 2026

3200 Sonoma Mountain Rd

4 bd · 2.5 ba · 7,489 sqft · built 1983 · 128 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,200,000Jun 2010 $28,2202025 Amount on Record Apr 1998 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

3435 Sonoma Mountain Rd

1 bd · 1 ba · 226 sqft · built 1974 · 59.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,6842025 Owner on Record Owner Occupied AssessorUpdated May 2026

Property Records in Nearby Streets