Date
Details
Price
Change
Source
10/08/1997
Sold
$335,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/46
$1,999,000 Contingent
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Property Description
Set on 3 acres in West Petaluma, this reimagined estate includes a beautifully renovated main residence and detached ADU, each thoughtfully updated inside and out with a cohesive, elevated design. The main home offers 4 bedrooms, 3 bathrooms, and 2,265 square feet of open, light-filled living space, defined by clean lines, quality finishes, and careful attention to detail. Original solid wood interior doors remain as a subtle nod to the home's original craftsmanship, seamlessly integrated into the modern interior. The open-concept layout is designed for effortless indoor-outdoor living, with natural light throughout and an easy, comfortable flow from room to room. A detached 400-square-foot ADU with a full kitchen and bathroom provides flexible space for guests, extended living, or a pool house. Outdoors, a pool and expansive grounds create a private, versatile setting with room to expand or further enhance the property. Ideally located just minutes from downtown Petaluma, this property offers the rare combination of space, privacy, and convenience in one of Sonoma County's most sought-after settings. Home Website: https://1100gossageave.com/
Full Property Details
Full Property Details for 1100 Gossage Ave
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General
- Price: $1,999,000
- Status: Contingent
- Type: Single Family
- Source: BAREIS
- MLS ID: 326054104
- Updated: 7/9/2026
- Added to Site: 22 day(s) ago
Interior
- Appliances: Built-In Gas Range, Built-In Refrigerator, Dishwasher, Double Oven, Hood Over Range
- Flooring: Luxury Vinyl Plank
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 3
- Half Bathrooms: 1
- Bathroom Features: Double Sinks, Tile, Tub w/Shower Over
Bedrooms
- Total Bedrooms: 4
- Primary Bedroom: Balcony, Walk-In Closet
Other Rooms
- Kitchen: Island, Island w/Sink, Quartz Counter
- Laundry: Hookups Only, In Garage, Laundry Closet
Additional Information
- Pool: Yes
- Pool Description: Built-In, Pool Cover
Exterior
- Exterior Features: Balcony
Parking
- Garage: Yes
- Garage Spaces: 3
- Garage Description: Attached, EV Charging, Garage Door Opener, Guest Parking Available, Interior Access, RV Possible, Uncovered Parking Spaces 2+
Location
- Cross Streets: Petaluma Blvd
- Driving Directions: Petaluma Blvd to Gossage
Heating & Cooling
- Cooling Type: Central
- Heating Type: Central
Utilities
- Sewer: Septic System
- Water: Well
- Utility Description: Cable TV Available
Structural Information
- Architectural Style: Traditional
- Construction: Cement Siding
- Foundation: Slab
- Roof: Composition
- Windows: Dual Pane Full
- Stories/Levels: 2
- Square Feet: 2,665
- Sq. Ft. Source: Owner
- Year Built: 1979
Lot Features
- Lot Size (Acres): 3
- Lot Size (Sq. Ft.): 130,680
- Lot Description: Private
Disclosures and Reports
- Special Conditions: Offer As Is
Listing provided by W Real Estate, Kasondra Alfano
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Listing agent
— 1100 Gossage Ave —
Kasondra Alfano
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Schools
Schools serving 1100 Gossage Ave
School Districts:Cinnabar Elementary School District, Petaluma Joint Union High School District
| Name | Grades | Distance |
|---|---|---|
Cinnabar Charter School 286 Skillman Lane, Petaluma, CA 94952 | K-8 | 0.7 mi |
Petaluma Junior High School 700 Bantam Way, Petaluma, CA 94952 | 7-8 | 1.3 mi |
Petaluma High School 201 Fair Street, Petaluma, CA 94952 | 9-12 | 1.7 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 1100 Gossage Ave
Tax History
Tax History for 1100 Gossage Ave
Year
Property Taxes
Change
Tax Assessment
Change
2025
$6,358
7%
$534,892
4%
2023
$5,921
2%
$514,124
2%
2022
$5,831
2%
$504,044
2%
2021
$5,697
-1%
$494,162
1%
2020
$5,729
2%
$489,096
2%
2019
$5,639
6%
$479,507
2%
2018
$5,344
2%
$470,106
2%
2017
$5,258
3%
$460,890
2%
2016
$5,090
2%
$451,854
2%
2015
$4,973
4%
$445,068
2%
2014
$4,788
3%
$436,351
—
2013
$4,645
—
$434,380
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 1100 Gossage Ave
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Sold provided by Compass, Julie Upton
Sold provided by Compass, Julie Upton
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Sold by Nonmember Mrml, General NONMEMBER
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Sold provided by Compass, Robert J Rapp
Sold provided by Compass, Robert J Rapp
1100 Gossage Avenue, Petaluma, CA 94952 (MLS# 326054104) is a Single Family property with 4 bedrooms, 3 full bathrooms and 1 partial bathroom. 1100 Gossage Avenue is currently listed for $1,999,000 and was received on June 22, 2026. Want to learn more about 1100 Gossage Avenue? Do you have questions about finding other Single Family real estate for sale in Petaluma? You can browse all Petaluma real estate or contact a Coldwell Banker agent to request more information.