NOT LISTED FOR SALE

104 Walnut Ave Mill Valley, CA 94941

Sycamore Park Neighborhood

Estimated Value: $2,471,000 - $3,713,000

4 Beds
3 Baths
2,266 Sq Ft
$1,249/Sq Ft Est. Value

About This Home

This home is located at 104 Walnut Ave, Mill Valley, CA 94941 and is currently estimated at $2,830,143, approximately $1,248 per square foot. 104 Walnut Ave is a home located in Marin County with nearby schools including Mill Valley Middle School, Tamalpais High School, and Marin Horizon School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Jul 24, 2025
Sold by
Callagy Theodore Robert
Bought by
Theodore Callagy Family Trust and Callagy
Current Estimated Value
$2,830,143

Purchase Details

Closed on
Jul 18, 2019
Sold by
Callagy Theodore Robert and Callagy Louise
Bought by
Callagy Theodore

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,650,000
Interest Rate
3.37%
Mortgage Type
Adjustable Rate Mortgage/ARM

Purchase Details

Closed on
Jun 1, 2009
Sold by
Urban Mark A and The Mark Alfred Urban Revocabl
Bought by
Callagy Theodore and Callagy Louise

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,140,000
Interest Rate
5.25%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Oct 19, 2005
Sold by
Urban Mark A
Bought by
Urban Mark A and The Mark Alfred Urban Revocabl

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,085,000
Interest Rate
1%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jun 1, 2005
Sold by
Urban Mark A
Bought by
Urban Mark A and Mark Alfred Urban Revocable Tr

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$985,000
Interest Rate
5.5%
Mortgage Type
New Conventional

Purchase Details

Closed on
Apr 16, 2004
Sold by
Urban Mark A
Bought by
Urban Mark A and Mark Alfred Urban Revocable Tr

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,010,000
Interest Rate
5.35%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jan 21, 2003
Sold by
Urban Mark A
Bought by
Urban Mark A and Mark Alfred Urban Revocable Tr

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$322,700
Interest Rate
5.83%

Purchase Details

Closed on
Jan 13, 1999
Sold by
Urban Mark A
Bought by
Urban Mark A and Mark Alfred Urban Revocable Tr

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$303,750
Interest Rate
6.63%

Purchase Details

Closed on
Sep 3, 1998
Sold by
Urban Mark A
Bought by
Urban Mark A and Mark Alfred Urban Revocable Tr

Purchase Details

Closed on
Nov 2, 1995
Sold by
Urban Robert J and Urban Katherine
Bought by
Urban Mark A

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$281,250
Interest Rate
7.62%
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
Theodore Callagy Family Trust -- None Listed On Document
Callagy Theodore -- Old Republic Title Company
Callagy Theodore $1,425,000 Stewart Title
Urban Mark A -- California Land Title Marin
Urban Mark A -- California Land Title Marin
Urban Mark A -- California Land Title Marin
Urban Mark A -- --
Urban Mark A -- California Land Title Marin
Urban Mark A -- California Land Title Marin
Urban Mark A -- First Amer Title Co Of Marin
Urban Mark A -- First Amer Title Co Of Marin
Urban Mark A -- Pacific Coast Title Company
Urban Mark A -- Pacific Coast Title Company
Urban Mark A -- --
Urban Mark A $28,500 Pacific Coast Title Company
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Callagy Theodore $1,650,000
Previous Owner Callagy Theodore $1,140,000
Previous Owner Urban Mark A $1,085,000
Previous Owner Urban Mark A $985,000
Previous Owner Urban Mark A $1,010,000
Previous Owner Urban Mark A $322,700
Previous Owner Urban Mark A $303,750
Previous Owner Urban Mark A $281,250
Closed Urban Mark A $100,000
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 $24,848 $1,828,491 $901,369 $927,122
2024 $24,232 $1,792,650 $883,701 $908,949
2023 $23,571 $1,757,505 $866,376 $891,129
2022 $22,906 $1,723,056 $849,394 $873,662
2021 $11,260 $1,689,274 $832,741 $856,533
2020 $22,576 $1,671,964 $824,208 $847,756
2019 $22,750 $1,639,191 $808,052 $831,139
2018 $20,895 $1,607,056 $792,211 $814,845
2017 $20,749 $1,575,546 $776,678 $798,868
2016 $19,901 $1,544,661 $761,453 $783,208
2015 $19,731 $1,521,473 $750,022 $771,451
2014 $18,420 $1,421,420 $700,700 $720,720
Source: Public Records

Map

California Marin County Mill Valley 94941 Sycamore Park

104 Walnut Ave, Mill Valley, 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