12 Upper Ames Ave

Ross, CA 94957

$18,000,000
Last Sold Price
6
Beds
7,210 Sq. Ft.
$2,497 / Sq. Ft.
7,210
Sq. Ft.
$2,497
per Sq. Ft.
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Closed 4/20/22
Closed 4/20/22
a view of swimming pool with a patio

Description

Incomparable, updated Mid-Century Modern located less than a half-mile to Ross Commons. Beautifully sited, the approx. 1.4-acre property orients towards the South and is elevated off the valley floor, bathing the house, guest house, pool house and pool in incredible, natural light. The high-tech 5BR/5.5BA main home with approx. 5,930 sq ft with formal living/dining is anchored by the kitchen/great room with two Nana walls opening onto the property's incredible grounds. The East wing offers a dedicated...Incomparable, updated Mid-Century Modern located less than a half-mile to Ross Commons. Beautifully sited, the approx. 1.4-acre property orients towards the South and is elevated off the valley floor, bathing the house, guest house, pool house and pool in incredible, natural light. The high-tech 5BR/5.5BA main home with approx. 5,930 sq ft with formal living/dining is anchored by the kitchen/great room with two Nana walls opening onto the property's incredible grounds. The East wing offers a dedicated office, state-of-the-art home theater, and guest suite with separate entry. The 665 +/- sq. ft. one bedroom guest house with kitchen, living room overlooks the inviting pool area. There is also a 615 +/- sq. ft. pool house with kitchen and great room and direct access to the pool. The resort-like pool area was designed around majestic Japanese maple, olive, fruit trees, star jasmine and mature succulents. Top rated public schools, three car garage and more. Truly a very special offering!
  1. Listed by Josh Burns • DRE #01477796 • Brokerage DRE #00899496 • Sotheby's International Realty
  2. Listed by Carol Sebastiani • DRE #01371992 • Brokerage DRE #00899496 • Sotheby's International Realty

Property Details for 12 Upper Ames Avenue

Architectural Style
Contemporary
View Description
Greenbelt, Hills, Park, Ridge
Cross Street
Shady Lane
Total Parking Spaces
10
LISTING UPDATED: 04/20/2022 08:55 AM

Property Details for 12 Upper Ames Avenue

StatusClosed
MLS #322029568
Days on Compass6
Taxes-
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1964
Lot Size1.38 AC / 59,903 SF
CountyMarin County
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Location

Listing Courtesy of Sotheby's International Realty, Josh Burns, DRE #01477796; Sotheby's International Realty, Carol Sebastiani, DRE #01371992

Sold By Own Marin, Own Marin, DRE #01468633

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Building Information for 12 Upper Ames Avenue

Stories3Year Built1964Building Size-Lot Size1.38 AC / 59,903 SF

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$109,116 per month

30 year fixed, 6.46% Interest

Principal and Interest

$90,639

Property Taxes

$18,477

HOA Dues

$0

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Property Information for 12 Upper Ames Avenue

Summary
Location and General Information
  • Area/District: Ross
  • Area Short Display: A2000
  • Directions to Property: Shady Lane to Upper Ames
Taxes and HOA Information
  • Association: No
  • Association Fee: $0
  • APN: 073-181-21
  • City Transfer Tax Rate: .00%
  • County Transfer Tax Rate: .00%
Parking
  • Parking Features: EV Charging, Garage Door Opener, Interior Access, Side-by-Side
  • Carport Spaces: 0
  • Garage Spaces: 3
  • Open Parking Spaces: 0
Virtual Tour
  • Virtual Media Count: 0
Property
Lot Information
  • Square Footage: 7210.0
  • Square Footage Source: Graphic Artist
  • Year Built Source: Assessor Agent-Fill
  • Lot Size Source: Assessor Agent-Fill
  • Lot Size Square Feet: 59904.0
  • Lot Features: Auto Sprinkler F&R, Auto Sprinkler Front, Auto Sprinkler Rear, Cul-De-Sac, Landscape Back, Landscape Front, Landscape Misc, Private, Secluded
  • Property Condition: Updated/Remodeled
Property and Assessments
  • Senior Community: No
  • Buyer Financing: Cash (No Loan)
  • Picture Count: 2
  • Property Disclaimer: Information has not been verified, is not guaranteed, and is subject to change. Any offer of compensation is made exclusively to Broker Participants of the MLS where the subject listing is filed.<BR> Copyright &copy; 2022 Bay Area Real Estate Information Services, Inc. All rights reserved.<BR>Copyright</A> &copy;2022 <A name="trans">Rapattoni Corporation. All rights reserved.</A><BR>U.S. Patent 6,910,045
Utilities
  • Sewer: Sewer Public
  • Water Source: Water District
  • Utilities: Public
Interior and Exterior Features
Exterior Features
  • Driveway/Sidewalks: Gated, Paved Driveway
  • Foundation: Concrete Perimeter
  • Stories: 3
  • Levels: Multi/Split
  • Upper Level: Master Bedroom
  • Lower Level: Bedroom(s), Full Bath(s), Garage
  • Main Level: Bedroom(s), Dining Room, Family Room, Full Bath(s), Kitchen, Living Room, Partial Bath(s)
  • Other Structures: Guest House
  • Pool: Yes
  • Pool Features: Fenced, Gas Heat, Pool Cover, Pool House, Pool Sweep
  • Roof: Composition
  • Pool: Yes
Interior Features
  • Heating: Central, MultiZone
  • Cooling: Central, MultiZone
  • Full Bathrooms: 7
  • Half Bathrooms: 1
  • Bathrooms: 8.0
  • Bedrooms: 6
  • Primary Bathroom Features: Soaking Tub
  • Primary Bedroom Features: Walk-In Closet 2+
  • Dining Room Features: Formal Room
  • Family Room Features: Great Room
  • Kitchen Features: Island, Pantry Closet, Stone Counter
  • Flooring: Wood
  • Fireplace Features: Gas Starter, Living Room, Wood Burning
  • Fireplace: Yes
  • Appliances: Built-In Gas Range, Built-In Refrigerator, Dishwasher, Disposal, Double Oven, Hood Over Range, Microwave, Wine Refrigerator
  • Laundry Features: Dryer Included, Inside Room, Washer Included
  • # of Fireplaces: 2
  • # of Rooms: 0
  • Room Type: Guest Quarters, Home Theater, In Law Apartment, Office
  • Spa: Yes
  • Spa Features: Spa/Hot Tub Built-In
Multi Family
Multi-Family Information
  • # of Units: 0
Multi-Family Additional Information
  • 2nd Unit Bedrooms: 1
  • 2nd Unit Approx SqFt: 665.0
  • 2nd Unit Full Baths: 1
  • 2nd Unit Partial Baths: 0
  • 2nd Unit Kitchen: Yes
  • 2nd Unit Occupied: No
  • 2nd Unit Rents for: $.00
  • 2nd Unit Type: Detached
Unit 2
  • ADU/2nd Unit: Yes

Property History for 12 Upper Ames Avenue

DateEvent & SourcePriceAppreciation
Feb 5, 2026

Sold (Public Record)

Public Record #1928925496

$16,350,000

-2.5% / yr

Apr 20, 2022

Sold

REBAREIS #322029568

$18,000,000—
Apr 20, 2022

Sold

RESFAR #322029568

$18,000,000—
DateEvent & SourcePrice
02/05/2026

Sold (Public Record)

Public Record #1928925496

$16,350,000

-2.5% / yr

04/20/2022

Sold

REBAREIS #322029568

$18,000,000
04/20/2022

Sold

RESFAR #322029568

$18,000,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 12 Upper Ames Avenue

Taxable ValueLand$8,489,600Additions$10,612,000Total$19,101,600
Tax Record2025$221,724 ($18,477 / month)
Home Facts
Beds6Total Finished SqFt6,969 SqFtAbove Grade Finished SqFt6,969 SqFtLot Size59,904 SqFtStyleSingle Family ResidenceYear Built1964Year Renovated2000CountyMARINAPN073-181-21Fireplace TypeHas Fireplace

Schools near 12 Upper Ames Avenue

This home is within Tamalpais Union High School District.
Rating
School
Type
Grades
Distance
Ross Elementary School
Public - K to 8
Redwood High School
Public - 9 to 12
Tamiscal High (Alternative) School
Public - 9 to 12
San Andreas High (Continuation) School
Public - 10 to 12
Rating
School
Distance
Ross Elementary School
PublicK to 8

Redwood High School
Public9 to 12

Tamiscal High (Alternative) School
Public9 to 12

San Andreas High (Continuation) School
Public10 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Ross
Ross
Gorgeous landscaped gardens and less development mean more peace and quiet. Ross is a lovely, high-priced neighborhood in Marin County with plenty of privacy and space for the family to relax at home or gather at Ross Common on the weekends for soccer games and a sense of community.
Ross Guide

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Sotheby's International Realty, Josh Burns, DRE #01477796; Sotheby's International Realty, Carol Sebastiani, DRE #01371992

Based on information from one of the following Multiple Listing Services: San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by San Francisco Association of Realtors, the MLSListings MLS, the BAREIS MLS, the EBRD MLS, Shasta Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.