NOT LISTED FOR SALE

308 Sheffield Ave Mill Valley, CA 94941

Almonte Neighborhood

Estimated Value: $1,711,000 - $1,767,000

3 Beds
2 Baths
1,608 Sq Ft
$1,081/Sq Ft Est. Value

Last Sold June 20, 2025

Last sale price $1,700,000 $1,057 Per Sq Ft

Est. 1% increase in value since last sale

Current estimated payment $10,832/month

16 Days on Market

Highlights

  • Mountain View
  • Main Floor Bedroom
  • Wine Refrigerator
  • Mill Valley Middle School Rated A
  • 2 Fireplaces
  • Balcony

About This Home

As of June 2025

Tucked into the sought-after Almonte neighborhood, 308 Sheffield Ave offers the best of Marin living with unbeatable access to nature, convenience, and indoor/outdoor living. Located within walking distance to Tam Junction's vibrant shops and restaurants, and just minutes to the Golden Gate Bridge, this home offers an easy San Francisco commute, a scenic bike ride to downtown Mill Valley or Sausalito, and quick access to the endless trails of Tennessee Valley and the greater Marin Headlands. Enjoy panoramic views of Tennessee Valley from nearly every room, including the expansive primary suite that spans the entire upper level. This serene retreat features custom closets/ built-ins, stylish Ann Sacks/Kelly Wearstler-tiled ensuite bathroom and fireplace, a cozy private office or dressing area, and breathtaking views from the comfort of your bed. The main level includes two additional bedrooms, a full bath, and a bright, open-concept living, dining, and kitchen space that flows effortlessly to a large front deck perfect for entertaining or soaking in the views. The terraced backyard offers even more outdoor living with a deck, lush gardens, fruit trees, herbs and a versatile studio/shed ideal for creative work, fitness, or storage. Plus a large detached two car.

Last Agent to Sell the Property

Ryan Fay

Mosaik Real Estate License #01924701 Listed on: 05/14/2025

Last Buyer's Agent

Whitney Potter

Own Marin License #01468633

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1979 | Remodeled

Lot Details

  • 6,299 Sq Ft Lot
  • Landscaped
  • Garden

Parking

  • 2 Car Detached Garage
  • Electric Vehicle Home Charger
  • Garage Door Opener

Property Views

  • Mountain
  • Valley

Interior Spaces

  • 1,608 Sq Ft Home
  • 2-Story Property
  • 2 Fireplaces
  • Family Room
  • Living Room
  • Dining Room

Kitchen

  • Microwave
  • Dishwasher
  • Wine Refrigerator

Bedrooms and Bathrooms

  • 3 Bedrooms
  • Main Floor Bedroom
  • Primary Bedroom Upstairs
  • Walk-In Closet
  • Bathroom on Main Level
  • 2 Full Bathrooms

Laundry

  • Laundry closet
  • Dryer
  • Washer

Outdoor Features

  • Balcony
  • Front Porch

Utilities

  • No Cooling
  • Central Heating
  • Gas Water Heater

Listing and Financial Details

  • Assessor Parcel Number 050-112-12

Home Details

Home Type

Single Family

Year Built

Built in 1979 | Remodeled

Lot Details

6,299 Sq Ft Lot

Parking

2

Listing Details

  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Detached
  • Directions To Property: Almonte to Rosemont then left on green. green turns into Sheffield
  • Lot Size Acres: 0.1446
  • Stories: 2
  • Levels: Two
  • Special Features: None

Interior Features

  • Appliances: Dishwasher, Gas Water Heater, Microwave, Wine Refrigerator
  • Number Of Fireplaces: 2
  • Bedrooms: 3
  • Full Bathrooms: 2
  • Square Footage: 1608.00
  • Bathrooms: 2
  • Fireplace Features: Other
  • Main Level: Bedroom(s), Dining Room, Family Room, Full Bath(s), Kitchen, Living Room
  • PrimaryBedroomFeatures: Balcony, Sitting Area, Walk-In Closet

Exterior Features

  • Lot Features: Garden, Landscape Back
  • Property Condition: Updated/Remodeled
  • ExteriorFeatures: Balcony
  • Patio And Porch Features: Back Porch, Front Porch
  • View: Mountains, Valley

Garage/Parking

  • Parking Features: Detached, EV Charging, Garage Door Opener
  • Total Parking Spaces: 2.00
  • Garage Spaces: 2.00

Utilities

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

Lot Info

  • Assessor Parcel Number: 050-112-12
  • Lot Size Sq Ft: 6299.00

Building Info

  • Year Built: 1979

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Apr 23, 2020
Sold by
Fay Ryan and Fay Jennifer
Bought by
Fay Ryan and Fay Jennifer
Current Estimated Value
$1,712,676

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$673,000
Outstanding Balance
$597,675
Interest Rate
3.3%
Mortgage Type
New Conventional
Estimated Equity
$1,140,680

Purchase Details

Listed on
Sep 25, 2018
Closed on
Oct 17, 2018
Sold by
Michael Bradley S and Michael Christian J
Bought by
Fay Ryan and Acierto Jennifer
Seller's Agent
Caroline Nelson
Compass
Buyer's Agent
Ryan Fay
Mosaik Real Estate
List Price
$1,299,000
Sold Price
$1,299,000

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
4.02%
Original Mortgage
$679,650
Interest Rate
4.6%
Mortgage Type
New Conventional

Purchase Details

Closed on
Nov 18, 2016
Sold by
Michael Bradley S and Michael Christian J
Bought by
Michael Bradley S and Michael Christian J

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$720,000
Interest Rate
3.47%
Mortgage Type
New Conventional

Purchase Details

Closed on
Oct 14, 2013
Sold by
Schultz Stacy L
Bought by
Michael Bradley S and Martinez Christian J

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$742,400
Interest Rate
4.55%
Mortgage Type
New Conventional

Purchase Details

Closed on
Dec 5, 2003
Sold by
Sankey Diane and Sankey Colin
Bought by
Schultz Stacy L

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$592,500
Interest Rate
5.12%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Sep 16, 2002
Sold by
Sankey Colin and Sankey Diane
Bought by
Sankey Colin and Sankey Diane

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$493,000
Interest Rate
5.62%

Purchase Details

Closed on
Apr 22, 1998
Sold by
Sabin Sherri A and Sabin Thomas P
Bought by
Waldbaum Gregory S and English Abby S

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$377,000
Interest Rate
7.12%

Purchase Details

Closed on
May 9, 1995
Sold by
Sabin Sherri A and Sabin Sherri L
Bought by
Sabin Sherri A

Purchase Details

Closed on
Sep 8, 1994
Sold by
Dorit J Niley
Bought by
Sabin Thomas P and Sabin Sherri L

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$264,000
Interest Rate
8.57%
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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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
Fay Ryan -- Old Republic Title Company
Fay Ryan $1,299,000 Fidelity National Title Co
Michael Bradley S -- Old Republic Title Co
Michael Bradley S $928,000 Fidelity National Title Co
Schultz Stacy L $790,000 California Land Title Marin
Sankey Colin -- California Land Title Compan
Waldbaum Gregory S $419,000 First American Title Co
Sabin Sherri A -- North American Title Company
Sabin Thomas P $352,000 Placer Title Company
Dorit J Niley -- Placer Title Company
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Fay Ryan $673,000
Closed Fay Ryan $679,650
Previous Owner Michael Bradley S $720,000
Previous Owner Michael Bradley S $742,400
Previous Owner Schultz Stacy L $729,000
Previous Owner Schultz Stacy L $592,500
Previous Owner Sankey Colin $493,000
Previous Owner Waldbaum Gregory S $65,000
Previous Owner Waldbaum Gregory S $377,000
Previous Owner Sabin Thomas P $264,000
Closed Schultz Stacy L $158,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
06/20/2025 06/20/25 Sold $1,700,000 +1.5% $1,057 / Sq Ft
05/30/2025 05/30/25 Pending -- -- --
05/14/2025 05/14/25 For Sale $1,675,000 +28.9% $1,042 / Sq Ft
10/29/2018 10/29/18 Sold $1,299,000 0.0% $808 / Sq Ft View Prior Sale
10/12/2018 10/12/18 Pending -- -- --
09/25/2018 09/25/18 For Sale $1,299,000 -- $808 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

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 $21,885 $1,449,034 $668,184 $780,850
2024 $21,219 $1,420,625 $655,084 $765,541
2023 $20,759 $1,392,774 $642,241 $750,533
2022 $20,100 $1,365,469 $629,650 $735,819
2021 $19,619 $1,338,697 $617,305 $721,392
2020 $19,724 $1,324,980 $610,980 $714,000
2019 $19,125 $1,299,000 $599,000 $700,000
2018 $15,646 $998,712 $646,416 $352,296
2017 $15,085 $979,134 $633,744 $345,390
2016 $14,040 $959,936 $621,318 $338,618
2015 $13,763 $945,521 $611,988 $333,533
2014 $13,258 $927,000 $600,000 $327,000
Source: Public Records

Agents Affiliated with this Home

  • R

    Seller's Agent in 2025

    Ryan Fay

    Mosaik Real Estate

    Section Image

  • W

    Buyer's Agent in 2025

    Whitney Potter

    Own Marin

    Section Image
  • Caroline Nelson

    Seller's Agent in 2018

    Caroline Nelson

    Compass

    (415) 672-0849

    57 Total Sales

    Caroline Nelson
    Section Image
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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325043938

Bay Area Real Estate Information Services (BAREIS)

APN: 050-112-12

California Marin County Mill Valley 94941 Almonte

308 Sheffield Ave, Mill Valley, CA

Not Listed for Sale

Detached

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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.

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