Property Report for 307 Chardonnay Cir, Clayton, CA 94517

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307 Chardonnay Cir, Clayton, CA 94517
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Property Details
  • Property Address 307 Chardonnay Cir, Clayton, CA 94517
  • County Contra Costa
  • Parcel ID 119-581-012-0
  • Legal description T05050 L0193 B
  • School district Mount Diablo Unified School District
  • Acreage 0.32
  • Property class Single Family Residence
  • Zoning Subscribe
  • Square footage 2,030
  • Year built 1980
  • Bedrooms 4
  • Bathrooms 3

About the Property

307 Chardonnay Cir is a single family residence in the city of Clayton, CA 94517. Located in the Mount Diablo Unified School District, which resides in Contra Costa County, CA and built in 1980. This Single Family Residence sits on a 13,750 sq ft lot and features 4 bedrooms, 3 bathrooms and 2,030 sq ft of living space.

The most recent property tax for 307 Chardonnay Cir was $3,999 with an estimated market value range of $1,186,310 to $1,259,690. This property was last sold on September 27, 2016.

Property Info

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Flood

Ownership

Land
  • Acres 0.32
  • Square Feet 13,750
Building
  • Units N/A
  • Year Built 1980
  • Effective Year Built N/A
  • Stories 1
  • # Fireplaces 1
  • Garage/Carport 426 sq.ft.
Utilities
  • Cooling Central
  • Heating Forced Air
Interior
  • Square Footage
  • Living Area 2,030
  • Total Rooms 10
  • Bedrooms 4
  • Total Bathrooms 3
  • Full Bathrooms 3
Your Property Report will also include the following information:

Clayton Residential Market Stats

Median Sale Price $1,077,500 -15.2% YoY
Median Price/sq ft. $466
Contra Costa County Median Sale Price $1,077,500 -15.2% YoY

See more Real Estate Trends for Clayton including home values, types of properties sold and transaction volumes.

Taxes and Assessments for 307 Chardonnay Cir, Clayton

Tax Year Taxes Tax Assesed Value Exemptions
2024 $3,999 (+0.8%) $258,215 (+2%)

2024 $3,999 (+0.8%) $263,378 (+4%)

2023 $3,968 (+3.8%) $253,153 (+2%)

2022

2021

2020

2019

Access Full Tax & Assessment History for 307 Chardonnay Cir, Clayton. View Tax Information

Sales History for 307 Chardonnay Cir, Clayton

The most recent sale on 307 Chardonnay Cir took place on Aug 09, 2016 and recorded on Sep 27, 2016. Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
Sale Date Recorded Date Buyer(s) Seller(s) Price Document ID

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Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
Address Distance SqFt Sale Date Price $/SqFt
321 CHARDONNAY CIR .04 mi 2,391 08/12/2025 $1,260,000 $527
407 GRENACHE CIR .11 mi 2,052 06/11/2025 $1,350,000 $658
1140 EASLEY DR .25 mi 2,391 05/05/2025 $1,200,000 $502
Active Mortgages and Equity Analysis
Date Recorded Position Original Amount Amortized Balance Loan Type Interest Rate Lender Lender Type

  • Total Estimated Debt:

  • Estimated Value from ATTOM AVM:

  • Available Equity:

  • Loan To Value Ratio:

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Total Estimated Debt

  • Total Estimated Debt
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Automated Valuation Models (AVM)
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
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Market Value Estimate
Jul 16, 2025 Confidence Score: 97%
Low
Value
High
Rental Value Estimate ATTOM
Jul 21, 2025
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Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.