NOT LISTED FOR SALE

124 Sycamore Ave Mill Valley, CA 94941

Sycamore Park Neighborhood

Estimated Value: $6,323,000 - $8,597,000

6 Beds
5.5 Baths
3,720 Sq Ft
$2,062/Sq Ft Est. Value

Sale Details

Date Sold: May 4, 2026

Last sale price $8,500,000 $2,285 Per Sq Ft

Est. 10% decrease in value since last sale

Current estimated payment $45,900 / mo

9 Days on Market

Highlights

  • Cul-De-Sac
  • 2 Car Attached Garage
  • Central Heating
  • Mill Valley Middle School Rated A

About This Home

As of May 2026

Tucked along what many consider the most coveted, tree-lined street in Sycamore Park, 124 Sycamore Ave captures that unmistakable Father of the Bride magictimeless, warm, and effortlessly inviting. Set on a rare double lot, this home offers a sense of space and privacy that's nearly impossible to find in Mill Valley. A classic Ipe wood front porch welcomes you in, where all-day sunshine pours across the property, creating a bright, uplifting atmosphere from morning to evening. Inside, the scale and craftsmanship immediately stand out. A dramatic two-story entry and soaring 10-foot ceilings set the tone, while solid core doors and hardwood floors throughout speak to the home's exceptional build quality. Designed for both everyday living and entertaining, the elegant formal dining room pairs beautifully with a thoughtfully designed kitchen featuring a charming built-in banquette and an oversized walk-in pantry. The heart of the home opens seamlessly to the outdoorskitchen and living spaces lined with multiple French doors that invite you into a completely fenced, private yard, perfect for hosting, relaxing, or letting kids play freely. Upstairs, four bedrooms on one level offer the layout today's buyers crave, including three ensuite bedrooms for comfort and flexibility. With five bedrooms total, there's space for guests, a home office, or whatever your lifestyle demands. Adding even more versatility, the property includes a beautifully appointed ~450 sq ft guest unitideal for visiting friends and family, an au pair, or a private work-from-home retreatalongside a detached two-car garage that blends seamlessly with the home's classic architecture. And then there's the locationjust a short stroll to the vibrant Mill Valley Depot, where cafs, shops, and gathering spaces create a daily rhythm reminiscent of a European piazza. This is Mill Valley living at its best: classic charm, modern functionality, and a rare sense of spaceall in one of the town's most beloved neighborhoods.

Last Agent to Sell the Property

Lisa Smith

Serhant California, Inc. License #DRE #01927676 Listed on: 04/14/2026

Serhant California, Inc.

Last Buyer's Agent

Whitney Potter

Own Marin License #DRE #01468633

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 Details

Home Type

  • Single Family

Year Built

  • Built in 2008

Lot Details

  • 11,164 Sq Ft Lot
  • Cul-De-Sac

Parking

  • 2 Car Attached Garage

Interior Spaces

  • 3,720 Sq Ft Home
  • 2-Story Property

Bedrooms and Bathrooms

  • 6 Bedrooms

Laundry

  • Dryer
  • Washer

Utilities

  • No Cooling
  • Central Heating

Home Details

Home Type

Single Family

Year Built

Built in 2008

Lot Details

0.26 Acres

Parking

2

Listing Details

  • Type: Residential
  • Lot Size Acres: 0.2563
  • Stories: 2
  • Property Sub Type: Single Family Residence
  • Co List Office Mls Id: 7B3214
  • Directions: Blithedale, lft Camino Alto, rt Sycamore
  • Living Area: 3720
  • Power Production Type: None
  • Special Features: None

Interior Features

  • Basement: None
  • Full Bathrooms: 5
  • Total Bedrooms: 6

Exterior Features

  • Lot Features: Cul-De-Sac

Garage/Parking

  • Parking Features: Attached
  • Garage Spaces: 2

Utilities

  • Cooling: None
  • Sewer: Public Sewer
  • Utilities: Public
  • Water Source: Public
  • Heating: Central
  • Laundry Features: Dryer Included, Washer Included

Lot Info

  • Lot Size Sq Ft: 11164
  • Land Lease: No

Building Info

  • Year Built: 2008

Multi Family

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

Listed on
Apr 14, 2026
Closed on
Apr 24, 2026
Sold by
Chad Lester
Bought by
Seller's Agent
Lisa Smith
Serhant California, Inc.
Buyer's Agent
Whitney Potter
Own Marin
List Price
$7,495,000
Sold Price
$8,500,000
Premium/Discount to List
$1,005,000
13.41%
Views
70
Current Estimated Value
$7,671,006

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$828,994
Avg. Annual Appreciation
-26.73%

Purchase Details

Closed on
Oct 16, 2009
Sold by
Koop Heinz
Bought by
Lester Chad

Purchase Details

Closed on
Feb 28, 2007
Sold by
Mullen Warren and Mathews Christine
Bought by
Koop Heinz

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$200,000
Interest Rate
6.01%
Mortgage Type
Credit Line Revolving

Purchase Details

Closed on
May 10, 2006
Sold by
Lafkas Nicholas Paul and Lafkas Marion Claire
Bought by
Mullen Warren and Mathews Christine

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$137,500
Interest Rate
6.46%
Mortgage Type
Stand Alone Second
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in Sycamore Park, CA

  • Michael Annunziata Real Estate Agent - North Point Real Estate

    Michael Annunziata

    North Point Real Estate

    (628) 288-4628

    54 Total Sales

    1 in Sycamore Park

    $2,600,000 Price

    Michael Annunziata
     Section Image
  • Betty Taisch Real Estate Agent - Compass

    Betty Taisch

    Compass

    (415) 842-2964

    98 Total Sales

    1 in Sycamore Park

    $1,500,000 Price

    Betty Taisch
     Section Image
  • Shirin Zehtabfard Real Estate Agent - Coldwell Banker Realty

    Shirin Zehtabfard

    Coldwell Banker Realty

    (650) 870-9647

    39 Total Sales

    1 in Sycamore Park

    $869,000 Price

    Shirin Zehtabfard
     Section Image
  • Kim Fahy Real Estate Agent - Martinelli Real Estate Inc

    Kim Fahy

    Martinelli Real Estate Inc

    (707) 608-6551

    58 Total Sales

    1 in Sycamore Park

    $879,000 Price

    Kim Fahy
     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 Sycamore Park

    $1,400,000 Price

    Michael Wayne Jackson
     Section Image
  • Marsha Williams Real Estate Agent - Christie's Int'l Real Estate

    Marsha Williams

    Christie's Int'l Real Estate

    (510) 694-1418

    27 Total Sales

    1 in Sycamore Park

    $1,320,000 Price

    Marsha Williams
     Section Image
See All Agents

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
$8,500,000 Fidelity National Title Compan
Lester Chad $2,800,000 Old Republic Title Company
Lester Chad -- Old Republic Title Company
Koop Heinz $1,500,000 Old Republic Title Company
Koop Heinz -- Old Republic Title Company
Mullen Warren $1,375,000 Old Republic Title Company
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 $835,000
Previous Owner Koop Heinz $200,000
Previous Owner Koop Heinz $1,125,000
Previous Owner Mullen Warren $137,500
Previous Owner Mullen Warren $962,500
Source: Public Records

Property 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 Event Price List to Sale Price per Sq Ft
05/04/2026 05/04/26 Sold $8,500,000 +13.4% $2,285 / Sq Ft
04/23/2026 04/23/26 Pending -- -- --
04/14/2026 04/14/26 For Sale $7,495,000 -- $2,015 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

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 $45,341 $3,686,312 $1,711,502 $1,974,810
2025 $45,341 $3,614,044 $1,677,949 $1,936,095
2024 $43,820 $3,543,204 $1,645,059 $1,898,145
2023 $43,214 $3,473,736 $1,612,806 $1,860,930
2022 $42,989 $3,405,640 $1,581,190 $1,824,450
2021 $41,251 $3,338,888 $1,550,198 $1,788,690
2020 $41,442 $3,304,672 $1,534,312 $1,770,360
2019 $39,321 $3,239,880 $1,504,230 $1,735,650
2018 $38,818 $3,176,376 $1,474,746 $1,701,630
2017 $39,363 $3,114,104 $1,445,834 $1,668,270
2016 $36,599 $3,053,064 $1,417,494 $1,635,570
2015 $36,333 $3,007,228 $1,396,213 $1,611,015
2014 $35,865 $2,948,344 $1,368,874 $1,579,470
Source: Public Records

Agents Affiliated with this Home

  • LS

    Seller's Agent in 2026

    Lisa Smith

    Serhant California, Inc.

    (415) 328-9752

    9 in this area

    86 Total Sales

    Lisa Smith
    Section Image
  • Whitney Potter Real Estate Agent - Own Marin

    Buyer's Agent in 2026

    Whitney Potter

    Own Marin

    (415) 640-8671

    22 in this area

    546 Total Sales

    Whitney Potter
    Section Image
See All Agents

Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 326031498

Bay Area Real Estate Information Services (BAREIS)

APN: 028-222-92

California Marin County Mill Valley 94941 Sycamore Park

124 Sycamore 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.

Bay Area Real Estate Information Services (BAREIS) Listing information deemed reliable but not guaranteed. Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.

Nearby Homes
Your Personal Tour Guide

Ask me questions while you tour the home.