18446 1st Ave

Sonoma, CA 95476

$450,000
Price
8,799 / 0.20
Lot Size / Acres
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Description

Located in the heart of Sonoma, 18446 1st Avenue offers over 8,000 square feet of opportunity in a desirable Wine Country setting. The spacious lot features separate alley access, allowing for the potential to build both a main residence and an ADU with independent entry. Set in an established neighborhood near local shops and the historic Sonoma Plaza, this property combines size, flexibility, and locationready for your vision to take shape.Located in the heart of Sonoma, 18446 1st Avenue offers over 8,000 square feet of opportunity in a desirable Wine Country setting. The spacious lot features separate alley access, allowing for the potential to build both a main residence and an ADU with independent entry. Set in an established neighborhood near local shops and the historic Sonoma Plaza, this property combines size, flexibility, and locationready for your vision to take shape.
  1. Listed by Cliff Bell • DRE #02197518 • Brokerage DRE #01976964 • Guide Real Estate
  2. Listed by Ian Zopolos • DRE #02030461 • Brokerage DRE #01976964 • Guide Real Estate

Property Details for 18446 1st Avenue

Subdivision
Boyes Hot Springs
Zoning
R1 B6 5 DU, SR X
Zoning Description
Single-Family
Cross Street
E Thomson St.
LISTING UPDATED: 03/26/2026 08:51 AM

Property Details for 18446 1st Avenue

StatusActive
MLS #326014492
Days on Compass70
Taxes-
HOA Fees-
Condo/Co-op Fees-
Property TypeLand
MLS TypeLand / Residential Lot
Year Built-
Lot Size0.20 AC
CountySonoma County
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Location

Listing Courtesy of Guide Real Estate, Cliff Bell, DRE #02197518; Guide Real Estate, Ian Zopolos, DRE #02030461
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Building Information for 18446 1st Avenue

Lot Size0.20 AC

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$2,266 per month

30 year fixed, 6.46% Interest

Principal and Interest

$2,266

Property Taxes

$0

HOA Dues

$0

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Property Information for 18446 1st Avenue

Summary
Location and General Information
  • Area/District: Sonoma
  • Area Short Display: B1300
  • Directions to Property: Follow CA-12 W to E Thomson Ave, Right on Thomson, Left on 1st Ave., Property is on the left
  • Area Long Display: Sonoma
Taxes and HOA Information
  • Association: No
  • Association Fee: $0
  • APN: 056-461-014-000
Virtual Tour
  • Virtual Media Count: 0
Property
Lot Information
  • Lot Size Source: Assessor Auto-Fill
  • Lot Size Square Feet: 8799.0
  • Lot Features: Other
  • # of Lots: 1
Property and Assessments
  • Current Use: Vacant
  • Picture Count: 8
  • Property Disclaimer: All data, photos, visualizations, and information regarding a property, including the property's compliance with state and local legal requirements and all measurements and calculations of area, have been obtained from various sources, and may include such material that has been generated by use of artificial intelligence. Such information and material have not been and will not be verified for accuracy by the listing broker or the multiple listing service, and are not guaranteed as complete, accurate or reliable. Such information and material should be independently reviewed and verified for accuracy. This information and material are intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
  • Possible Use: Residential, Single Family
Utilities
  • Electric: Electric Available
  • Sewer: Sewer Public
  • Water Source: Water Public
  • Utilities: Natural Gas Available, Public, Sewer Available, Water Available
Interior and Exterior Features
Exterior Features
  • Road Surface Type: Paved
  • Fencing: Partial

Property History for 18446 1st Avenue

DateEvent & SourcePriceAppreciation
Feb 28, 2026

Listed (Active)

REBAREIS #326014492

$450,000—
DateEvent & SourcePrice
02/28/2026

Listed (Active)

REBAREIS #326014492

$450,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Schools near 18446 1st Avenue

This home is within Sonoma Valley Unified School District.
Rating
School
Type
Grades
Distance
Flowery Elementary School
Public - K to 5
Adele Harrison Middle School
Public - 6 to 8
Sonoma Valley High School
Public - 9 to 12
Creekside High School
Public - 9 to 12
Rating
School
Distance
Flowery Elementary School
PublicK to 5

Adele Harrison Middle School
Public6 to 8

Sonoma Valley High School
Public9 to 12

Creekside High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 18446 1st Avenue, Sonoma, CA 95476

18446 1st Avenue is a 0.20 ac of land for sale in Sonoma, CA 95476. This property was listed for sale on February 28, 2026 by Guide Real Estate, it's currently listed at $450,000. This listing's school district is Sonoma Valley Unified School District. Nearby schools include Flowery Elementary School, Adele Harrison Middle School and Sonoma Valley High School. 18446 1st Avenue is a 0-bed, 0-bath, 0.20 ac of land on a 8,799 sq. ft. / 0.20 acres lot.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Guide Real Estate, Cliff Bell, DRE #02197518; Guide Real Estate, Ian Zopolos, DRE #02030461

Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.