NOT LISTED FOR SALE

1670 Diamond Mountain Rd Calistoga, CA 94515

Estimated Value: $1,183,000 - $3,105,762

Studio
2 Baths
-- Sq Ft
1,084,208 Sq Ft Lot

About This Home

This home is located at 1670 Diamond Mountain Rd, Calistoga, CA 94515 and is currently estimated at $2,447,587. 1670 Diamond Mountain Rd is a home located in Napa County with nearby schools including Calistoga Elementary School and Calistoga Junior/Senior High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Dec 19, 2025
Sold by
Edward James Wallis Trust and Marilyn Belk Wallis Trust
Bought by
Edward James Wallis Trust and Marilyn Belk Wallis Trust
Current Estimated Value
$2,447,587

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$2,000,000
Outstanding Balance
$1,996,187
Interest Rate
6.24%
Mortgage Type
New Conventional
Estimated Equity
$451,400

Purchase Details

Closed on
May 16, 2014
Sold by
Wallis Edward James
Bought by
First American Title Company Of Napa

Purchase Details

Closed on
Dec 14, 2006
Sold by
Wallis Edward James
Bought by
Belk Wallis Edward J and Belk Wallis Marilyn

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$500,000
Interest Rate
6.22%
Mortgage Type
Credit Line Revolving

Purchase Details

Closed on
Dec 23, 1998
Sold by
Wallis Edward James
Bought by
Belk Wallis Edward J and Belk Wallis Marilyn

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,000,000
Interest Rate
6.82%

Purchase Details

Closed on
Nov 30, 1994
Sold by
Harley Joann Wallis and Wallis Charles Milton
Bought by
Wallis Edward James

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$90,000
Interest Rate
9.08%
Mortgage Type
Seller Take Back
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

Purchase History

Date Buyer Sale Price Title Company
Edward James Wallis Trust -- Fidelity National Title
First American Title Company Of Napa -- None Available
Belk Wallis Edward J -- First Amer Title Co Of Napa
Belk Wallis Edward J -- First American Title
Wallis Edward James $180,000 First American Title
Harley Joann Wallis -- First American Title
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Edward James Wallis Trust $2,000,000
Previous Owner Belk Wallis Edward J $500,000
Previous Owner Belk Wallis Edward J $1,000,000
Previous Owner Wallis Edward James $90,000
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 $13,899 $1,267,665 $282,631 $985,034
2024 $13,657 $1,242,810 $277,090 $965,720
2023 $13,657 $1,218,442 $271,657 $946,785
2022 $12,804 $1,194,552 $266,331 $928,221
2021 $12,410 $1,171,130 $261,109 $910,021
2020 $12,262 $1,159,122 $258,432 $900,690
2019 $12,106 $1,136,395 $253,365 $883,030
2018 $11,952 $1,114,114 $248,398 $865,716
2017 $11,418 $1,092,270 $243,528 $848,742
2016 $11,418 $1,070,853 $238,753 $832,100
2015 -- $1,054,769 $235,167 $819,602
Source: Public Records

Map

California Napa County Calistoga 94515

1670 Diamond Mountain Rd, Calistoga, CA

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.