NOT LISTED FOR SALE

270 Walnut St Costa Mesa, CA 92627

Downtown Costa Mesa Neighborhood

Estimated Value: $1,067,939 - $1,863,000

1 Bed
1 Bath
400 Sq Ft
$3,829/Sq Ft Est. Value

About This Home

This home is located at 270 Walnut St, Costa Mesa, CA 92627 and is currently estimated at $1,531,485, approximately $3,828 per square foot. 270 Walnut St is a home located in Orange County with nearby schools including Heinz Kaiser Elementary School, Woodland Elementary School, and Horace Ensign Intermediate School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Dec 19, 2025
Sold by
Hada Robert and Carol Ann Williams Revocable Trust
Bought by
Walnut270 Llc
Current Estimated Value
$1,531,485

Purchase Details

Closed on
Aug 25, 2000
Sold by
Williams Carol A
Bought by
Williams Carol Ann and Carol Ann Williams Revocable Trust
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Walnut270 Llc $1,825,000 Homelight Title
Williams Carol Ann -- --
Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $1,095 $24,633 $13,307 $11,326
2024 $1,095 $24,150 $13,046 $11,104
2023 $1,036 $23,677 $12,790 $10,887
2022 $987 $23,213 $12,539 $10,674
2021 $953 $22,758 $12,293 $10,465
2020 $930 $22,525 $12,167 $10,358
2019 $910 $22,084 $11,929 $10,155
2018 $892 $21,651 $11,695 $9,956
2017 $883 $21,227 $11,466 $9,761
2016 $872 $20,811 $11,241 $9,570
2015 $863 $20,499 $11,072 $9,427
2014 $849 $20,098 $10,855 $9,243
Source: Public Records

Map

California Orange County Costa Mesa 92627 Downtown Costa Mesa

270 Walnut St, Costa Mesa, CA

Not Listed for Sale

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Nearby Homes
Your Personal Tour Guide

Ask me questions while you tour the home.