NOT LISTED FOR SALE

136 Marion Ave Mill Valley, CA 94941

Mill Valley Heights Neighborhood

Estimated Value: $2,767,000 - $3,740,000

4 Beds
5 Baths
2,973 Sq Ft
$1,136/Sq Ft Est. Value

About This Home

This home is located at 136 Marion Ave, Mill Valley, CA 94941 and is currently estimated at $3,376,655, approximately $1,135 per square foot. 136 Marion Ave is a home located in Marin County with nearby schools including Mill Valley Middle School, Tamalpais High School, and Marin Horizon 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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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
Nov 7, 2025
Sold by
Weber Brian and Weber Tamara
Bought by
Current Estimated Value
$3,453,961

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$750,000
Outstanding Balance
$744,257
Interest Rate
6.3%
Mortgage Type
Credit Line Revolving
Estimated Equity
$2,632,398

Purchase Details

Closed on
Jun 16, 2017
Sold by
Seyfarth Christopher C and Seyfarth Laura R
Bought by
Weber Brian and Weber Tamara

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,800,000
Interest Rate
4.02%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jun 13, 2013
Sold by
Seyfarth Christopher C and Seyfarth Laura R
Bought by
Seyfarth Christopher C and Seyfarth Laura R

Purchase Details

Closed on
Jun 3, 2008
Sold by
Heinzig Dennis E and Mcmillan Iona
Bought by
Seyfarth Christopher C and Seyfarth Laura R

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$950,000
Interest Rate
6.05%
Mortgage Type
Unknown

Purchase Details

Closed on
Oct 25, 2002
Sold by
Heinzig Dennis E and Mcmillan Iona
Bought by
Heinzig Dennis E and Mcmillian Iona

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
5.25%

Purchase Details

Closed on
Nov 13, 2001
Sold by
Heinzig Dennis
Bought by
Heinzig Dennis and Mcmillan Iona

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%

Purchase Details

Closed on
Oct 26, 2001
Sold by
Heinzig Dennis
Bought by
Heinzig Dennis E and Mcmillan Iona

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%

Purchase Details

Closed on
May 29, 2001
Sold by
Heinzig Iona
Bought by
Heinzig Dennis

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
6.37%

Purchase Details

Closed on
May 25, 2001
Sold by
White Stephanie J
Bought by
Heinzig Dennis

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
6.37%

Purchase Details

Closed on
Sep 6, 2000
Sold by
Oflynn Paddy
Bought by
White Stephanie J

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
8.13%

Purchase Details

Closed on
Jan 28, 1999
Sold by
Graham David
Bought by
Oflynn Paddy

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$100,000
Interest Rate
6.82%
Mortgage Type
Unknown

Purchase Details

Closed on
Nov 21, 1997
Sold by
Grant Richard M and Grant Maureen
Bought by
Graham David P and Oflynn Paddy

Purchase Details

Closed on
Jan 24, 1994
Sold by
Grant Richard M and Grant Maureen O
Bought by
Grant Richard M and Grant Maureen O
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in Mill Valley Heights, CA

  • Kouros Tavakoli Real Estate Agent - Golden Gate Sotheby's

    Kouros Tavakoli

    Golden Gate Sotheby's

    (510) 288-2743

    15 Total Sales

    1 in Mill Valley Heights

    $10,500,000 Price

    Kouros Tavakoli
     Section Image
  • Michael Wayne Jackson Real Estate Agent - Coldwell Banker Realty

    Michael Wayne Jackson

    Coldwell Banker Realty

    (628) 336-1347

    52 Total Sales

    1 in Mill Valley Heights

    $1,275,000 Price

    Michael Wayne Jackson
     Section Image
  • Deborah Allyce Real Estate Agent - Luxe Places International Realty

    Deborah Allyce

    Luxe Places International Realty

    (628) 257-7737

    5 Total Sales

    2 in Mill Valley Heights

    $2.1M - $3.8M Price Range

    Deborah Allyce
     Section Image
  • Kevin Kearney Real Estate Agent - Coldwell Banker Realty

    Kevin Kearney

    Coldwell Banker Realty

    (510) 988-5385

    40 Total Sales

    1 in Mill Valley Heights

    $1,055,000 Price

    Kevin Kearney
     Section Image
  • Christopher Curtis Real Estate Agent - Bhhs Drysdale Properties

    Christopher Curtis

    Bhhs Drysdale Properties

    (925) 940-3110

    40 Total Sales

    1 in Mill Valley Heights

    $3,000,000 Price

    Christopher Curtis
     Section Image
  • Oggi Kashi Real Estate Agent - North Point Real Estate

    Oggi Kashi

    North Point Real Estate

    (415) 619-5117

    38 Total Sales

    1 in Mill Valley Heights

    $1,670,000 Price

    Oggi Kashi
     Section Image
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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
Weber Brian $2,250,000 Fidelity National Title Co
Seyfarth Christopher C -- None Available
Seyfarth Christopher C $2,100,000 California Land Title Marin
Heinzig Dennis E -- First American Title Company
Heinzig Dennis -- --
Heinzig Dennis E -- --
Heinzig Dennis -- California Land Title Co
Heinzig Dennis $1,685,000 California Land Title Co
White Stephanie J $1,695,000 California Land Title
White Stephanie J -- California Land Title
Oflynn Paddy $48,500 --
Graham David P $375,000 Pacific Coast Title Company
Grant Richard M -- --
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
Open $750,000
Previous Owner Weber Brian $350,000
Previous Owner Weber Brian $1,820,000
Previous Owner Weber Brian $1,800,000
Previous Owner Seyfarth Christopher C $175,001
Previous Owner Seyfarth Christopher C $417,000
Previous Owner Seyfarth Christopher C $950,000
Previous Owner Seyfarth Christopher C $600,000
Previous Owner Heinzig Dennis E $993,000
Previous Owner Heinzig Dennis E $225,000
Previous Owner Heinzig Dennis E $1,000,000
Previous Owner Heinzig Dennis E $65,500
Previous Owner Heinzig Dennis E $128,200
Previous Owner Heinzig Dennis $1,000,000
Previous Owner Heinzig Dennis $1,000,000
Previous Owner White Stephanie J $1,000,000
Previous Owner Oflynn Paddy $60,000
Previous Owner Oflynn Paddy $630,000
Previous Owner Oflynn Paddy $100,000
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
2026 $33,524 $2,651,644 $1,349,497 $1,302,147
2025 $33,524 $2,599,654 $1,323,038 $1,276,616
2024 $32,517 $2,548,694 $1,297,103 $1,251,591
2023 $32,216 $2,498,720 $1,271,670 $1,227,050
2022 $31,462 $2,449,731 $1,246,738 $1,202,993
2021 $30,790 $2,401,705 $1,222,296 $1,179,409
2020 $31,787 $2,377,088 $1,209,768 $1,167,320
2019 $30,204 $2,330,496 $1,186,056 $1,144,440
2018 $29,635 $2,284,800 $1,162,800 $1,122,000
2017 $29,540 $2,376,654 $1,358,088 $1,018,566
2016 $28,000 $2,330,055 $1,331,460 $998,595
2015 $26,841 $2,175,673 $1,243,242 $932,431
2014 $23,027 $1,891,890 $1,081,080 $810,810
Source: Public Records

Map

California Marin County Mill Valley 94941 Mill Valley Heights

136 Marion Ave, Mill Valley, 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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