NOT LISTED FOR SALE

503 Sonoma Mountain Rd Petaluma, CA 94954

Estimated Value: $1,393,000 - $1,621,000

3 Beds
2 Baths
1,696 Sq Ft
$901/Sq Ft Est. Value

Last Sold April 07, 2021

Last sale price $1,475,000 $870 Per Sq Ft

Est. 4% increase in value since last sale

Current estimated payment $9,423/month

110 Days on Market

Highlights

  • Bay View
  • 6.31 Acre Lot
  • Cathedral Ceiling
  • Kenilworth Junior High School Rated A-
  • Engineered Wood Flooring
  • Living Room with Attached Deck

About This Home

As of April 2021

This updated, single level residence is nestled in the Sonoma Mountains & boasts jaw-dropping views of the entire Petaluma valley to the distant mountains & San Francisco Skyline, not to mention neighboring vineyards (see drone video) * Located just 5 minutes from East Washington Street, a gated private/paved driveway leads you to the residence, resting on a knoll with 6.31 surrounding acres * 3 spacious bedrooms & 2 updated bathrooms * Kitchen with custom cabinets, granite slab counters, to a newer gas stove * Vaulted ceiling * Skylights * Updated dual pane windows & sliders; & wrap-around composite deck * Approx. $150,000 in recent improvements including barn with electricity, water, storage, tack/feed room & shower with tankless water heater; perimeter fencing; propane tank; gas lines; back-up (gas) generator; well enhancements & pump house; kennel/dog house * New Plans for addition/remodel * ADU possible (2nd unit) * Petaluma Gap AVA (vines) * Come take a look, you'll be impressed.

Last Agent to Sell the Property

Gary and Ashley Brown

Medallion Real Estate Group License #01171537 Listed on: 11/17/2020

Last Buyer's Agent

Summer Olson Stubblefield

Compass License #02010211

Compass

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1978

Lot Details

  • 6.31 Acre Lot
  • Kennel or Dog Run
  • Property is Fully Fenced

Parking

  • 2 Car Attached Garage
  • 10 Open Parking Spaces

Property Views

  • Bay
  • City
  • Vineyard
  • Pasture
  • Mountain
  • Hills
  • Valley

Home Design

  • Side-by-Side
  • Concrete Foundation
  • Frame Construction
  • Composition Roof
  • Wood Siding

Interior Spaces

  • 1,696 Sq Ft Home
  • 1-Story Property
  • Cathedral Ceiling
  • Ceiling Fan
  • Fireplace
  • Living Room with Attached Deck
  • Family or Dining Combination
  • Front Gate

Kitchen

  • Microwave
  • Dishwasher
  • Concrete Kitchen Countertops

Flooring

  • Engineered Wood
  • Carpet

Bedrooms and Bathrooms

  • 3 Bedrooms
  • 2 Full Bathrooms
  • Bathtub with Shower
  • Window or Skylight in Bathroom

Laundry

  • 220 Volts In Laundry
  • Electric Dryer Hookup

Utilities

  • Baseboard Heating
  • Heating System Uses Propane
  • Power Generator
  • Well
  • Septic System
  • TV Antenna

Listing and Financial Details

  • Assessor Parcel Number 136-150-009-000

Home Details

Home Type

Single Family

Year Built

Built in 1978

Lot Details

6.31 Acres

Parking

2

Listing Details

  • Interior Amenities: Skylight(s)
  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Detached
  • Directions To Property: Just 5 minutes from East Washington Street * from East Washington Street, go left onto Old Adobe Road, then right onto Sonoma Mountain Road, then just 2 miles up to 503 Sonoma Mountain Road = look for the lane on the left with 4 house numbers (just after a large concrete water tank).
  • Lot Size Acres: 6.3100
  • Stories: 1
  • ArchitecturalStyle: Ranch
  • Special Features: None

Interior Features

  • Appliances: Dishwasher, Microwave
  • Bedrooms: 3
  • Full Bathrooms: 2
  • Dining Room Features: Dining/Family Combo
  • Living Room Features: Cathedral/Vaulted, Deck Attached
  • Flooring: Carpet, Simulated Wood
  • Price Per Square Foot: 869.69
  • Square Footage: 1696
  • Bathroom Features: Skylight/Solar Tube, Tub w/Shower Over
  • Bathrooms: 2.00
  • Kitchen Features: Skylight(s), Slab Counter
  • Main Level: Bedroom(s), Dining Room, Family Room, Garage, Kitchen, Master Bedroom

Exterior Features

  • Construction Materials: Frame, Wood, Wood Siding
  • Foundation: Concrete Perimeter
  • Lot Features: Landscape Misc
  • Roof: Composition
  • ExteriorFeatures: Dog Run, Entry Gate
  • Fencing: Full
  • Pool: No
  • Spa: No
  • View: Bay, City, Hills, Mountains, Pasture, Valley, Vineyard, Other

Garage/Parking

  • Parking Features: Attached, Side-by-Side
  • Garage Spaces: 2
  • OpenParkingSpaces: 10
  • Driveway/Sidewalks: Paved Driveway

Utilities

  • Cooling: Ceiling Fan(s)
  • Electric: 220 Volts in Laundry
  • Sewer: Septic Connected
  • Utilities: All Public, Dish Antenna, Generator
  • Water Source: Well
  • Heating: Baseboard, Fireplace(s), Propane
  • Laundry Features: Electric

Condo/Co-op/Association

  • Association: No
  • Senior Community: No

Lot Info

  • Assessor Parcel Number: 136-150-009-000
  • Lot Size Sq Ft: 274864

Building Info

  • Year Built: 1978

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Nov 17, 2020
Closed on
Mar 11, 2021
Sold by
Erin H Lyons Living Trust and Lyons Erin H
Bought by
Loures Shoshana Franco and Loures Itamar Caetano
Seller's Agent
Gary and Ashley Brown
Medallion Real Estate Group
Buyer's Agent
Summer Olson Stubblefield
Compass
List Price
$1,475,000
Sold Price
$1,475,000
Current Estimated Value
$1,527,292

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$52,292
Avg. Annual Appreciation
0.71%
Original Mortgage
$115,125
Interest Rate
2.9%
Mortgage Type
New Conventional

Purchase Details

Listed on
May 24, 2019
Closed on
Jun 14, 2019
Sold by
Caruana Manuel V and Ellis Caruana Diane N
Bought by
The Erin H Lyons Living Trust
Seller's Agent
Mireille Broussard
Inactive Office
Buyer's Agent
Mireille Broussard
Inactive Office
List Price
$1,220,000
Sold Price
$1,220,000

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
11.12%
Original Mortgage
$915,000
Interest Rate
4.1%
Mortgage Type
New Conventional

Purchase Details

Closed on
Sep 19, 2014
Sold by
Brewer M David and Lotter Roberta Lee
Bought by
Caruana Manuel V and Ellis Caruana Diane N

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$365,000
Interest Rate
4.75%
Mortgage Type
Adjustable Rate Mortgage/ARM

Purchase Details

Closed on
Mar 10, 2010
Sold by
Brewer Brewer Lois Lee Lois Lee
Bought by
Brewer Lois Lee

Purchase Details

Closed on
Dec 22, 1998
Sold by
Brewer Donald R and Lee Lois
Bought by
Brewer Donald R and Brewer Lois Lee
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
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List Price
Sold Price
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Purchase History

Date Buyer Sale Price Title Company
Loures Shoshana Franco $1,475,000 Fidelity National Title
The Erin H Lyons Living Trust $1,220,000 Fidelity National Title
Caruana Manuel V $630,000 Fidelity National Title Co
Brewer Lois Lee -- None Available
Brewer Donald R -- --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Closed Loures Shoshana Franco $115,125
Open Loures Shoshana Franco $707,250
Previous Owner The Erin H Lyons Living Trust $915,000
Previous Owner Caruana Manuel V $365,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
04/07/2021 04/07/21 Sold $1,475,000 0.0% $870 / Sq Ft
03/07/2021 03/07/21 Pending -- -- --
11/17/2020 11/17/20 For Sale $1,475,000 +20.9% $870 / Sq Ft
06/21/2019 06/21/19 Sold $1,220,000 0.0% $719 / Sq Ft View Prior Sale
06/18/2019 06/18/19 Pending -- -- --
05/24/2019 05/24/19 For Sale $1,220,000 -- $719 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $17,717 $1,596,586 $920,066 $676,520
2024 $17,717 $1,565,281 $902,026 $663,255
2023 $17,717 $1,534,590 $884,340 $650,250
2022 $17,296 $1,504,500 $867,000 $637,500
2021 $14,625 $1,257,291 $502,916 $754,375
2020 $14,719 $1,244,400 $497,760 $746,640
2019 $8,274 $678,753 $271,501 $407,252
2018 $7,781 $665,445 $266,178 $399,267
2017 $7,668 $652,398 $260,959 $391,439
2016 $7,438 $639,607 $255,843 $383,764
2015 $7,246 $630,000 $252,000 $378,000
2014 $1,918 $158,207 $60,391 $97,816
Source: Public Records

Agents Affiliated with this Home

  • G

    Seller's Agent in 2021

    Gary and Ashley Brown

    Medallion Real Estate Group

    Section Image

  • S

    Buyer's Agent in 2021

    Summer Olson Stubblefield

    Compass

    Section Image
  • Mireille Broussard

    Seller's Agent in 2019

    Mireille Broussard

    Inactive Office

    (707) 293-9468

    5 Total Sales

    Mireille Broussard
    Section Image
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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 22027532

Bay Area Real Estate Information Services (BAREIS)

APN: 136-150-009

California Sonoma County Petaluma 94954

503 Sonoma Mountain Rd, Petaluma, CA

Not Listed for Sale

Detached

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Bay Area Real Estate Information Services (BAREIS) Listing information deemed reliable but not guaranteed. Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.

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