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Updated Duplex with Detached ADU
For Sale
$1,200,000

1109 Saint Vincent Court, Petaluma, CA 94954

Two separate residences provide flexible living arrangements with independent utilities and a permitted accessory dwelling unit.

Property Size3,117 SF
Days on Market188

Property Features for 1109 Saint Vincent Court

General Information

Standard status Active
Size 3,117 SF
Property subtype Duplex

Amenities

Natural Gas
MultiZone
Ceiling Fan(s)
Heat Pump
Central
Central Air
Built-In Gas Range
Dishwasher
Disposal
Gas Water Heater
Microwave
Tankless Water Heater
Varies By Unit
Deck, Patio, Porch, Composition

Building Details

Building Size 3,117 SF
Year Built 1971
Listing Agency: Century 21 Epic
Listed By: Tony Lander
Source: Kw
Added: Feb 24 Changed: Aug 30 Last Checked: Aug 30 at 11:30PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Century 21 Epic

Investment Insights

Based on property information with market context.

This duplex property includes a renovated 5BD/3BA primary residence and a detached 2BD/1BA accessory dwelling unit. The main home offers two ground-floor bedrooms, a remodeled kitchen, refreshed bathrooms, updated electrical service, and a newer roof, along with fresh interior and exterior paint. The separate ADU was newly constructed and fully permitted, with a flexible interior arrangement suited to additional household, guest, office, or studio use.

The homes have separate addresses and individual gas and electric meters. Exterior features include a deck, patio, and porch, with space that may accommodate RV parking. Built in 1971, the property also includes central air, a heat pump, natural gas, tankless water heating, a built-in gas range, dishwasher, disposal, and microwave. Schools, parks, and shopping are located nearby.

Key Highlights

  • 5BD/3BA main residence spans 2,367 SF
  • Detached 2BD/1BA ADU measures 750 SF
  • Newly constructed, fully permitted accessory dwelling unit

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Real Estate Agency Dental Office Spa & Massage Center Hair Salon Pharmacy Restaurant

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

664
Businesses Nearby

Demographics for 94954, CA

38,301
Population
15,147
Households
2.5
Avg Household Size
43
Median Age
37%
College-Educated
92%
High-School Grad
62.2 sq mi
ZIP Area
616
Density / Sq Mi
$107,564
Median Household Income
$58,362
Median Earnings
$2,405
Median Rent
$790,100
Median Home Value

Market

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Two separate residences provide flexible living arrangements with independent utilities and a permitted accessory dwelling unit.
Where is this duplex located?
The property is located at 1109 Saint Vincent Court Petaluma, CA.
What is the asking price?
The asking price for this property is $1,200,000.
What are key features of this property?
This property features: 5BD/3BA main residence spans 2,367 SF; Detached 2BD/1BA ADU measures 750 SF; Newly constructed, fully permitted accessory dwelling unit
More about this property
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