NOT LISTED FOR SALE

518 Alta Way Mill Valley, CA 94941

Tamalpais Valley Neighborhood

Estimated Value: $2,274,201 - $2,374,000

3 Beds
2.5 Baths
2,085 Sq Ft
$1,106/Sq Ft Est. Value

Last Sold February 25, 2025

Last sale price $2,305,000 $1,106 Per Sq Ft

Current estimated payment $14,562/month

9 Days on Market

Highlights

  • Solar Power System
  • Craftsman Architecture
  • Cathedral Ceiling
  • Mill Valley Middle School Rated A
  • View of Hills
  • Wood Flooring

About This Home

As of February 2025

Tucked into the sought-after neighborhood of Tam Valley, 518 Alta Way offers the perfect blend of modern upgrades, natural beauty, and effortless living. The home's recent updates include sleek quartz countertops, refinished hardwood floors, custom shutters, and updated fixtures, ensuring a fresh, contemporary feel throughout. Beyond aesthetics, the property is equipped with premium features such as a solar energy system with battery backup, smart home controls, air conditioning, and a reverse osmosis water purification system. The 6-person sauna is the perfect retreat for relaxation, while the landscaped yard provides an idyllic space for outdoor entertaining or quiet reflection. Located just minutes from Tam Junction, this home is ideally positioned for both adventure and convenience. Bike to nearby trailheads, enjoy shopping at Good Earth Natural Foods and other shops around Tam Junction, or take a short drive to downtown Mill Valley, Stinson Beach, or San Francisco. Whether you're looking for a tranquil escape or a launchpad for exploring the Bay Area, 518 Alta Way is the perfect place to call home.

Last Agent to Sell the Property

Tyler Stewart

Heath Real Estate License #01901386 Listed on: 01/27/2025

Last Buyer's Agent

Tyler Stewart

Heath Real Estate License #01901386 Listed on: 01/27/2025

Home Details

Home Type

  • Single Family

Year Built

  • Built in 2000 | Remodeled

Lot Details

  • 6,499 Sq Ft Lot
  • Fenced Front Yard
  • Landscaped

Parking

  • 2 Car Direct Access Garage
  • 2 Open Parking Spaces
  • Front Facing Garage

Home Design

  • Craftsman Architecture
  • Composition Roof
  • Cement Siding

Interior Spaces

  • 2,085 Sq Ft Home
  • Cathedral Ceiling
  • Gas Fireplace
  • Family Room
  • Combination Dining and Living Room
  • Storage
  • Laundry closet
  • Views of Hills

Kitchen

  • Gas Cooktop
  • Range Hood
  • Microwave
  • Dishwasher
  • Kitchen Island
  • Quartz Countertops

Flooring

  • Wood
  • Carpet

Bedrooms and Bathrooms

  • 3 Bedrooms
  • Primary Bedroom on Main
  • Walk-In Closet
  • Bathroom on Main Level

Additional Features

  • Solar Power System
  • Central Heating and Cooling System

Listing and Financial Details

  • Assessor Parcel Number 049-014-30

Home Details

Home Type

Single Family

Year Built

Built in 2000 | Remodeled

Lot Details

6,499 Sq Ft Lot

Parking

2

Listing Details

  • Interior Amenities: Storage Area(s)
  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Detached
  • Directions To Property: From Shoreline Hwy (Hwy 1), turn onto Sunnybrook Lane, then right onto Alta Way.
  • Lot Size Acres: 0.1492
  • ArchitecturalStyle: Craftsman
  • Reso Window Features: Dual Pane Full
  • Special Features: None
  • Stories: 0

Interior Features

  • Appliances: Dishwasher, Free Standing Refrigerator, Gas Cook Top, Hood Over Range, Microwave
  • Number Of Fireplaces: 1
  • Bedrooms: 3
  • Half Bathrooms: 1
  • Full Bathrooms: 2
  • Dining Room Features: Dining/Living Combo
  • Living Room Features: Cathedral/Vaulted
  • Flooring: Carpet, Wood
  • Square Footage: 2085.00
  • Bathrooms: 3
  • Fireplace Features: Gas Piped
  • Kitchen Features: Island, Quartz Counter
  • Main Level: Dining Room, Family Room, Full Bath(s), Kitchen, Living Room, Primary Bedroom, Partial Bath(s)
  • PrimaryBedroomFeatures: Ground Floor, Walk-In Closet

Exterior Features

  • Construction Materials: Cement Siding
  • Lot Features: Landscape Front
  • Property Condition: Updated/Remodeled
  • Roof: Composition
  • Fencing: Front Yard
  • View: Hills

Garage/Parking

  • Parking Features: Attached, Garage Facing Front, Interior Access
  • Total Parking Spaces: 4.00
  • Garage Spaces: 2.00
  • OpenParkingSpaces: 2.00

Utilities

  • Cooling: Central
  • Sewer: Public Sewer
  • Utilities: Public, Solar
  • Water Source: Public
  • Heating: Central
  • Laundry Features: Laundry Closet

Lot Info

  • Assessor Parcel Number: 049-014-30
  • Lot Size Sq Ft: 6499.00

Building Info

  • Year Built: 2000

MLS Schools

  • School District (County): Marin

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jan 27, 2025
Closed on
Feb 19, 2025
Sold by
Grindstaff Kent Kenneth
Bought by
Christopher W Clayton Revocable Trust and Clayton
Seller's Agent
Tyler Stewart
Heath Real Estate
Buyer's Agent
Tyler Stewart
Heath Real Estate
List Price
$1,995,000
Sold Price
$2,305,000
Premium/Discount to List
$310,000
15.54%
Views
25
Current Estimated Value
$2,306,800

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$1,800
Avg. Annual Appreciation
0.07%
Original Mortgage
$1,844,000
Outstanding Balance
$1,826,088
Interest Rate
6.25%
Mortgage Type
New Conventional
Estimated Equity
$480,712

Purchase Details

Closed on
Jun 21, 2021
Sold by
Pass Helen A and The Pass Helen Trust
Bought by
Grindstaff Kent Kenneth

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,372,750
Interest Rate
2.9%
Mortgage Type
New Conventional

Purchase Details

Closed on
Aug 16, 2012
Sold by
Pass Helen
Bought by
Pass Helen A

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$625,500
Interest Rate
3.53%
Mortgage Type
New Conventional

Purchase Details

Closed on
Sep 18, 2007
Sold by
Pass Helen A
Bought by
Pass Helen A

Purchase Details

Closed on
Aug 22, 2000
Sold by
Alta Way Lp
Bought by
Pass Helen A

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$425,000
Interest Rate
9.37%
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
Christopher W Clayton Revocable Trust $2,305,000 First American Title
Grindstaff Kent Kenneth $1,720,000 Old Republic Title Company
Pass Helen A -- Fidelity National Title Co
Pass Helen -- Fidelity National Title Co
Pass Helen A -- None Available
Pass Helen A $925,000 California Land Title
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Christopher W Clayton Revocable Trust $1,844,000
Previous Owner Grindstaff Kent Kenneth $1,372,750
Previous Owner Pass Helen $625,500
Previous Owner Pass Helen A $142,500
Previous Owner Pass Helen A $425,000
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
02/25/2025 02/25/25 Sold $2,305,000 +15.5% $1,106 / Sq Ft
02/05/2025 02/05/25 Pending -- -- --
01/27/2025 01/27/25 For Sale $1,995,000 -- $957 / 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 $26,833 $1,861,761 $1,109,480 $752,281
2024 $25,765 $1,825,264 $1,087,730 $737,534
2023 $26,301 $1,789,488 $1,066,410 $723,078
2022 $25,310 $1,754,400 $1,045,500 $708,900
2021 $19,224 $1,291,080 $668,160 $622,920
2020 $18,099 $1,277,843 $661,310 $616,533
2019 $16,887 $1,252,791 $648,344 $604,447
2018 $17,026 $1,228,231 $635,634 $592,597
2017 $15,912 $1,204,154 $623,174 $580,980
2016 $15,307 $1,180,548 $610,958 $569,590
2015 $15,950 $1,162,823 $601,784 $561,039
2014 $15,841 $1,140,053 $590,000 $550,053
Source: Public Records

Agents Affiliated with this Home

  • Tyler Stewart

    Seller's Agent in 2025

    Tyler Stewart

    Heath Real Estate

    (415) 519-2434

    4 in this area

    135 Total Sales

    Tyler Stewart
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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325004334

Bay Area Real Estate Information Services (BAREIS)

APN: 049-014-30

California Marin County Mill Valley 94941 Tamalpais Valley

518 Alta Way, 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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