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18343 Lucas Avenue, Sonoma, CA, 95476

3beds
2baths
1,565sqft
$798,000
$510price/sqft
$5,634/moest. monthly cost
$225,360/yrincome needed

About This Home

Two charming cottages on a single parcel offer a rare and versatile opportunity in Sonoma Valley. The one residence features 2 bedrooms and 1 bath, while the second is a well-appointed 1 bedroom, 1 bath cottage. Each enjoys its own private yard, carport, and dedicated storage, with ample additional parking on site. Ideal for an owner-user seeking a private compound, a buyer looking to live in one home while generating income from the other, or as a pure investment propertythis offering benefits from consistent rental demand at this price point. Thoughtfully updated over the years, both homes are inviting and full of character. A truly uncommon find, as duplexes do come to market from time to time, but two detached cottages on one parcel are seldom available in Sonoma Valley. Tenant in 18343 pays $2100/month and tenant in 18345 pays $2300/month.

Getting Around

46
WalkingCar-Dependent
0
TransitVery Limited Transit
56
BikeBikeable

Schools

4/10
2/10
Altimira Middle SchoolGrades 6-80.6 mi
7/10
Sonoma Valley High SchoolGrades 9-122.4 mi

Construction

Condition

  • Year built: 1960

Type & Style

  • Home type: MultiFamily
  • Property subType: 2 Houses on Lot

Interior

Appliances

  • Laundry features: Inside Area

Basement

  • Basement: None

Bathroom

  • Level: Main

Bedroom

  • Level: Main

Bedrooms & Bathrooms

  • Bedrooms: 3
  • Bathrooms: 2
  • Full bathrooms: 2

Heating & Cooling

  • Heating features: Gas
  • Cooling features: None

Interior Area

  • Total structure area: 1,565
  • Total interior livable area: 1,565 sqft

Kitchen

  • Level: Main

Living Room

  • Level: Main

Property

Details

  • Parcel number: 052233033000
  • Special condition: Standard

Features

  • Levels: One
  • Stories: 1

Lot

  • Lot size: 7,226 sqft
  • Features: Low Maintenance

Parking

  • Total spaces: 6
  • Parking features: Attached,Covered
  • Covered spaces: 2
  • Carport: Yes
  • Carport spaces: 2

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Inland Flooding
    Inland FloodingVery High
  • Earthquake
    EarthquakeRelatively High
  • Wildfire
    WildfireModerate

How This Home’s Risks Compare

Inland Flooding
Earthquake
Wildfire

FEMA Declared Disasters in Sonoma County and California

Earthquake
Flood
Mud Landslide
Severe Ice Storm
Severe Storm
Snowstorm
Straight Line Winds
Tropical Storm
Winter Storm

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $4,035$48,420
Home Insurance *$207$2,484
Property Taxes $994$11,928
Electricity $398$4,786
Total$5,634$67,608
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$193,165/yr
40% on housing$169,020/yr
45% on housing$150,240/yr

California FAIR Plan Programs

California FAIR Plan Association

Covered
WildfireWildfire
Visit Website →
Current Policies
Residential: 417,310Commercial: 13,990
Total Premiums$1.42B
Total Exposure$429.84B

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 10.2%
10.2%
0%30.0%
Electricity Growth Rate10-year average: 4.3%
4.3%
0%15.0%
Property Taxes Growth Rate2-year average: -1.0%
-1.0%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$510This listing

vs Other Active Listings

Avg $/sqft

ZIP 95476$701
Sonoma County$599

vs Homes Sold Last Month

Median $/sqft

ZIP 95476$593
Sonoma County$504

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

Price History

DateEventPrice
2026-04-29Listed for sale$798,000
2025-08-05Listing removed$2,100
2025-07-16Listed for rent$2,100
2023-05-17Listing removed--
2023-05-10Listed for rent$1,950
2020-01-09Listing removed$1,700
2019-12-17Listed for rent$1,700
2019-05-29Listing removed$1,700
2019-05-22Listed for rent$1,700
2012-08-02Sold$225,000
2012-01-03Sold$211,050
2011-10-31Listed for sale$200,000

For Sale by Agent

AgentDaniel Casabonne
BrokerageSotheby's International Realty

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