NOT LISTED FOR SALE

1603 Howell Mountain Rd Angwin, CA 94508

Estimated Value: $1,031,177

3 Beds
2 Baths
1,584 Sq Ft
$651/Sq Ft Est. Value

About This Home

This home is located at 1603 Howell Mountain Rd, Angwin, CA 94508 and is currently estimated at $1,031,177, approximately $650 per square foot. 1603 Howell Mountain Rd is a home located in Napa County with nearby schools including Howell Mountain Elementary School, Pacific Union College Elementary School, and Pacific Union College Preparatory School.

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
Collateral Analytics

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ICE

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First American

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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.

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Average Value
Not Available
List Price
Sold Price
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Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Closed on
Aug 12, 2025
Sold by
Clarke Duncan John and Clarke Maria Duncan
Bought by
Current Estimated Value
$1,031,177

Purchase Details

Closed on
Jan 23, 2014
Sold by
Duncan John Clarke and Duncan Tania Maria
Bought by
Duncan John Clarke and Duncan Tania Maria

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$344,000
Interest Rate
4.45%
Mortgage Type
New Conventional

Purchase Details

Closed on
Sep 21, 2010
Sold by
Duncan John and Duncan Tania M
Bought by
Duncan John Clarke and Duncan Tania Maria

Purchase Details

Closed on
Nov 2, 2005
Sold by
Patterson Robert J and Patterson Helen C
Bought by
Duncan John and Duncan Tania M

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$438,750
Interest Rate
5.9%
Mortgage Type
Fannie Mae Freddie Mac

Purchase Details

Closed on
Feb 13, 1998
Sold by
Patterson Melbourne P and Revocab Jeanette
Bought by
Patterson Robert J and Patterson Helen C

Purchase Details

Closed on
Mar 18, 1997
Sold by
Patterson Melbourne P and Patterson Jeanette
Bought by
Patterson Melbourne P and Patterson Jeanette
Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
-- None Listed On Document
Duncan John Clarke -- First American Title Company
Duncan John Clarke -- None Available
Duncan John $585,000 First Amer Title Co Of Napa
Patterson Robert J -- Fidelity National Title Co
Patterson Melbourne P -- --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Previous Owner $300,000
Previous Owner Duncan John Clarke $344,000
Previous Owner Duncan John C $55,000
Previous Owner Duncan John $438,750
Previous Owner Patterson Robert J $254,700
Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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 $8,685 $854,605 $444,131 $410,474
2024 $8,514 $837,849 $435,423 $402,426
2023 $8,514 $821,422 $426,886 $394,536
2022 $8,216 $805,316 $418,516 $386,800
2021 $8,056 $789,526 $410,310 $379,216
2020 $8,036 $781,431 $406,103 $375,328
2019 $7,895 $766,110 $398,141 $367,969
2018 $6,856 $661,000 $342,000 $319,000
2017 $6,127 $590,000 $305,000 $285,000
2016 $5,741 $552,090 $286,440 $265,650
2015 $5,229 $501,900 $260,400 $241,500
2014 $5,238 $501,900 $260,400 $241,500
Source: Public Records

Map

California Napa County Angwin 94508

1603 Howell Mountain Rd, Angwin, 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.

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