NOT LISTED FOR SALE

508 Petaluma Ave Sebastopol, CA 95472

Estimated Value: $883,000 - $985,000

3 Beds
3.5 Baths
1,826 Sq Ft
$505/Sq Ft Est. Value

Sale Details

Date Sold: December 2, 2025

Last sale price $890,000 $487 Per Sq Ft

Est. 4% increase in value since last sale

Current estimated payment $5,629 / mo

19 Days on Market

Highlights

  • Additional Residence on Property
  • City View
  • Central Heating
  • Park Side Elementary School Rated 9+
  • 3 Car Attached Garage
  • Tandem Garage

About This Home

As of December 2025

Welcome to 508-510 Petaluma Avenue, a stylish and versatile home with attached ADU in beautiful downtown Sebastopol. This property built in 2006 features a spacious 2-bedroom, 2.5-bath main residence along with a well-appointed 1-bedroom, 1-bath ADU. The main home offers high ceilings, rich wood floors, granite countertops, a Bryant mini-split A/C system, a private courtyard, and an attached tandem two-car garage. The ADU includes its own private entrance and features a gas range, granite counters, in-unit laundry, and a detached one-car garage, making it perfect for extended family, guests, or rental income. Whether you're looking for a flexible living arrangement, rental income potential, or a turnkey investment, this downtown Sebastopol gem delivers exceptional comfort and versatility in a prime location.

Last Agent to Sell the Property

John Kelly

Century 21 Epic License #01949610 Listed on: 11/06/2025

Last Buyer's Agent

Jennifer Klein

Corcoran Icon Properties License #02199100

Corcoran Icon Properties

Home Details

Home Type

  • Single Family

Year Built

  • Built in 2006

Lot Details

  • 2,683

Parking

  • 3 Car Attached Garage
  • Rear-Facing Garage
  • Tandem Garage
  • Garage Door Opener

Interior Spaces

  • 1,826 Sq Ft Home
  • 2-Story Property
  • City Views
  • Stacked Washer and Dryer

Bedrooms and Bathrooms

  • 3 Bedrooms

Utilities

  • Ductless Heating Or Cooling System
  • Central Heating

Additional Features

  • 2,683 Sq Ft Lot
  • Additional Residence on Property

Community Details

Listing and Financial Details

  • Assessor Parcel Number 004-700-007-000

Home Details

Home Type

Single Family

Year Built

Built in 2006

Lot Details

2,683 Sq Ft Lot

Parking

3

Listing Details

  • Type: Residential
  • Property Sub Type: 2 Houses on Lot
  • Subtype Description: Detached
  • Directions To Property: Petaluma Ave between Palm Ave and Walker Ave.
  • Lot Size Acres: 0.0616
  • Stories: 2
  • Special Features: None

Interior Features

  • Bedrooms: 3
  • Half Bathrooms: 1
  • Full Bathrooms: 3
  • Square Footage: 1826.00
  • Bathrooms: 4
  • Main Level: Kitchen

Exterior Features

  • Lot Features: Shape Regular
  • View: City

Garage/Parking

  • Parking Features: Attached, Garage Door Opener, Garage Facing Rear, Tandem Garage
  • Garage Spaces: 3.00

Utilities

  • Cooling: Ductless
  • Sewer: Public Sewer
  • Utilities: Public
  • Water Source: Public
  • Heating: Central
  • Laundry Features: Dryer Included, Washer Included, Washer/Dryer Stacked Included

Lot Info

  • Assessor Parcel Number: 004-700-007-000
  • Lot Size Sq Ft: 2683.00

Building Info

  • Year Built: 2006

Multi Family

  • Number Of Units: 2
  • Second Unit Kitchen: Yes
  • Second Unit Occupied: Yes
  • Second Unit Partial Bathrooms: 0
  • Second Unit Type: Attached

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Nov 6, 2025
Closed on
Nov 20, 2025
Sold by
2018 Florence S Bailes Revocable Trust and Bailes Florence S
Bought by
Marshall Laura
Seller's Agent
John Kelly
Century 21 Epic
Buyer's Agent
Jennifer Klein
Corcoran Icon Properties
List Price
$979,000
Sold Price
$890,000
Premium/Discount to List
-$89,000
-9.09%
Views
68
Current Estimated Value
$921,670

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$31,670
Avg. Annual Appreciation
8.27%
Original Mortgage
$712,000
Outstanding Balance
$711,327
Interest Rate
6.27%
Mortgage Type
New Conventional
Estimated Equity
$210,343

Purchase Details

Listed on
May 17, 2021
Closed on
May 18, 2021
Sold by
Bailes Florence Shirley
Bought by
2018 Florence S Bailes Revocable Trust and Bailes
Seller's Agent
Tracy Dugdale-Munoz
NorthBay Property Management
Buyer's Agent
Tracy Dugdale-Munoz
NorthBay Property Management
Sold Price
$2,975

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$534,058
Interest Rate
2.9%
Mortgage Type
New Conventional

Purchase Details

Closed on
Nov 26, 2018
Sold by
Bailes Florence S
Bought by
Bailes Florence S and The 2018 Florence S Bailes Rev

Purchase Details

Closed on
Aug 25, 2016
Sold by
Little Pink House Llc
Bought by
Bailes Florence S

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$564,000
Interest Rate
3.62%
Mortgage Type
FHA

Purchase Details

Closed on
Dec 27, 2013
Sold by
Coleman Marcia
Bought by
Little Pink House Llc

Purchase Details

Closed on
Sep 27, 2011
Sold by
Roberts Daniel
Bought by
Quinto Elizabeth

Purchase Details

Closed on
Sep 24, 2011
Sold by
Quinto Elizabeth
Bought by
Coleman Marcia and Scanlon Marcia C

Purchase Details

Closed on
Aug 30, 2011
Sold by
Roberts Daniel
Bought by
Quinto Elizabeth

Purchase Details

Closed on
Aug 18, 2011
Sold by
Grinton Philip
Bought by
Coleman Marcia

Purchase Details

Closed on
Apr 7, 2009
Sold by
Quinto Elizabeth
Bought by
Roberts Daniel and Quinto Elizabeth

Purchase Details

Closed on
May 22, 2007
Sold by
Stamp James
Bought by
Quinto Elizabeth

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$300,000
Interest Rate
6.18%
Mortgage Type
Purchase Money Mortgage
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
Marshall Laura $890,000 Old Republic Title Company
2018 Florence S Bailes Revocable Trust -- None Listed On Document
Bailes Florence Shirley -- None Listed On Document
Bailes Florence Shirley -- None Listed On Document
Bailes Florence S -- None Available
Bailes Florence S $606,000 Old Republic Title Company
Little Pink House Llc -- First American Title Company
Coleman Marcia -- First American Title Company
Quinto Elizabeth -- First American Title Company
Coleman Marcia $849,500 First American Title Company
Quinto Elizabeth -- None Available
Coleman Marcia -- First American Title Co
Roberts Daniel -- None Available
Quinto Elizabeth -- North Bay Title Company
Quinto Elizabeth $639,000 North Bay Title Company
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open Marshall Laura $712,000
Previous Owner Bailes Florence Shirley $534,058
Previous Owner Bailes Florence S $564,000
Previous Owner Quinto Elizabeth $300,000
Previous Owner Quinto Elizabeth $239,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
12/02/2025 12/02/25 Sold $890,000 -9.1% $487 / Sq Ft
11/25/2025 11/25/25 Pending -- -- --
11/06/2025 11/06/25 For Sale $979,000 0.0% $536 / Sq Ft
05/21/2021 05/21/21 Rented $2,975 0.0% --
05/21/2021 05/21/21 Under Contract -- -- --
05/17/2021 05/17/21 For Rent $2,975 -- --
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 $8,551 $703,311 $185,692 $517,619
2024 $8,114 $689,521 $182,051 $507,470
2023 $8,114 $676,002 $178,482 $497,520
2022 $7,839 $662,748 $174,983 $487,765
2021 $7,799 $649,753 $171,552 $478,201
2020 $7,619 $643,091 $169,793 $473,298
2019 $7,363 $630,482 $166,464 $464,018
2018 $7,252 $618,120 $163,200 $454,920
2017 $6,931 $606,000 $160,000 $446,000
2016 $5,392 $460,807 $106,103 $354,704
2015 $5,223 $453,887 $104,510 $349,377
2014 $5,132 $444,997 $102,463 $342,534
Source: Public Records

Agents Affiliated with this Home

  • J

    Seller's Agent in 2025

    John Kelly

    Century 21 Epic

    (415) 342-8172

    2 in this area

    39 Total Sales

    John Kelly
    Section Image

  • J

    Buyer's Agent in 2025

    Jennifer Klein

    Corcoran Icon Properties

    (707) 536-3019

    4 in this area

    19 Total Sales

    Jennifer Klein
    Section Image

  • T

    Seller's Agent in 2021

    Tracy Dugdale-Munoz

    NorthBay Property Management

    Section Image
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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325096119

Bay Area Real Estate Information Services (BAREIS)

APN: 004-700-007

California Sonoma County Sebastopol 95472

508 Petaluma Ave, Sebastopol, CA

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

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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