NOT LISTED FOR SALE

509 Brookline Ave Mill Valley, CA 94941

Tamalpais Valley Neighborhood

Estimated Value: $1,732,000 - $2,686,000

4 Beds
3 Baths
2,345 Sq Ft
$932/Sq Ft Est. Value

About This Home

This home is located at 509 Brookline Ave, Mill Valley, CA 94941 and is currently estimated at $2,185,526, approximately $931 per square foot. 509 Brookline 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

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
Dec 17, 2025
Sold by
Bought by
Current Estimated Value
$2,185,526
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

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
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 $8,227 $345,757 $168,610 $177,147
2024 $7,688 $338,980 $165,305 $173,675
2023 $7,960 $332,334 $162,064 $170,270
2022 $7,597 $325,806 $158,879 $166,927
2021 $7,639 $319,418 $155,764 $163,654
2020 $9,907 $316,143 $154,167 $161,976
2019 $8,779 $309,945 $151,145 $158,800
2018 $8,076 $303,868 $148,181 $155,687
2017 $7,605 $297,912 $145,277 $152,635
2016 $6,669 $292,070 $142,428 $149,642
2015 $6,371 $287,683 $140,289 $147,394
2014 $6,107 $282,048 $137,541 $144,507
Source: Public Records

Map

California Marin County Mill Valley 94941 Tamalpais Valley

509 Brookline 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.

Nearby Homes
Your Personal Tour Guide

Ask me questions while you tour the home.