NOT LISTED FOR SALE

18 Isabella Ave Atherton, CA 94027

Estimated Value: $5,774,000 - $7,513,021

4 Beds
3.5 Baths
3,647 Sq Ft
$1,825/Sq Ft Est. Value

Sale Details

Date Sold: March 12, 2016

Last sale price $4,250,000 $1,165 Per Sq Ft

Est. 57% increase in value since last sale

Current estimated payment $41,208 / mo

3 Days on Market

Highlights

  • Heated Pool and Spa
  • Skyline View
  • Wood Flooring
  • Encinal Elementary School Rated A
  • Vaulted Ceiling
  • Solid Surface Bathroom Countertops

About This Home

As of March 2016

Spacious updated 4 BD/3.5 BTH home in Circus Club Area. 3 large bedrooms & 2.5 baths on 1st floor. Luxurious master suite upstairs with fireplace, private patio, marble spa-like bath, huge closet & 2 sitting areas/offices. Private setting with pool, spa, brick patios & lush gardens with fruit trees. MP schools. Square footage per prior seller. Agent & seller have not verified.

Last Agent to Sell the Property

Elaine White

Coldwell Banker Realty License #01182467 Listed on: 02/08/2016

Coldwell Banker Realty

Last Buyer's Agent

Tom LeMieux

Compass License #01066910

Compass

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1951

Lot Details

  • 16,553 Sq Ft Lot
  • Front Yard Fenced and Back Yard
  • Zoning described as R100

Parking

  • 2 Car Attached Garage
  • Garage Door Opener
  • Electric Gate
  • Guest Parking

Home Design

  • Concrete Roof
  • Concrete Perimeter Foundation

Interior Spaces

  • 3,647 Sq Ft Home
  • 2-Story Property
  • Wet Bar
  • Vaulted Ceiling
  • Skylights
  • 3 Fireplaces
  • Formal Dining Room
  • Skyline Views
  • Washer and Dryer

Kitchen

  • Open to Family Room
  • Eat-In Kitchen
  • Breakfast Bar
  • Range Hood
  • Dishwasher
  • Wine Refrigerator
  • Kitchen Island
  • Granite Countertops
  • Trash Compactor
  • Disposal

Flooring

  • Wood
  • Carpet
  • Stone
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms
  • Walk-In Closet
  • Solid Surface Bathroom Countertops
  • Dual Sinks
  • Hydromassage or Jetted Bathtub
  • Bathtub with Shower
  • Walk-in Shower

Pool

  • Heated Pool and Spa
  • Heated In Ground Pool
  • Pool Sweep

Utilities

  • Forced Air Heating and Cooling System
  • Separate Meters
  • Individual Gas Meter

Listing and Financial Details

  • Assessor Parcel Number 070-223-050

Home Details

Home Type

Single Family

Year Built

Built in 1951

Lot Details

0.38 Acres

Parking

2

Listing Details

  • Subclass: Single Family Home
  • Listing Class: Residential
  • Structure Sq Ft: 3647
  • Incorporated: Yes
  • Year Built: 1951
  • Zoning Description: R100
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Family Room: Kitchen / Family Room Combo
  • Fireplace: Yes
  • Dining Room: Breakfast Bar, Eat in Kitchen, Formal Dining Room
  • Kitchen: Countertop - Granite, Dishwasher, Garbage Disposal, Hood Over Range, Island with Sink, Oven Range - Built-In, Gas, Refrigerator, Trash Compactor, Wine Refrigerator
  • Living Sq Ft: 3647
  • Stories: 2
  • Laundry: Washer / Dryer
  • Flooring: Carpet, Hardwood, Stone, Tile
  • Fireplaces Min: 3
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Bathroom: Double Sinks, Shower and Tub, Skylight, Solid Surface, Stall Shower, Tub, Tub with Jets
  • Fireplace: Yes

Exterior Features

  • Foundation: Concrete Perimeter
  • Pool Description: Pool - Heated, Pool - In Ground, Pool / Spa Combo, Pool - Sweep
  • Roof: Concrete
  • Yard/Grounds: Back Yard, Fenced
  • Pool: Yes
  • Fencing: Fenced Front, Gate

Garage/Parking

  • Garage Spaces: 2
  • Garage Parking Features: Attached Garage, Electric Gate, Gate / Door Opener, Guest / Visitor Parking

Utilities

  • Cooling System: Central AC
  • Heating System: Central Forced Air
  • Sewer/Septic System: Sewer - Public, Sewer Connected

Association/Amenities

  • Amenities Miscellaneous: Skylight, Vaulted Ceiling, Walk-in Closet, Wet Bar

Lot Info

  • Parcel Number: 070-223-050
  • Lot Acres: 0.3800
  • Lot Size Area Minimum Units: Square Feet
  • Minimum Lot Size: 16552.80
  • Lot Size Area Maximum Units: Square Feet
  • Maximum Lot Size: 16552.80

Multi Family

  • Utilities: Individual Electric Meters, Individual Gas Meters, Public Utilities

MLS Schools

  • High School District Text: Sequoia Union High

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
Nov 8, 2024
Sold by
Bought by
Current Estimated Value
$6,654,755

Purchase Details

Listed on
Feb 8, 2016
Closed on
Mar 7, 2016
Sold by
Bought by
Seller's Agent
Elaine White
Coldwell Banker Realty
Buyer's Agent
Tom LeMieux
Compass
List Price
$4,195,000
Sold Price
$4,250,000
Premium/Discount to List
$55,000
1.31%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
4.49%
Original Mortgage
$350,000
Interest Rate
2.55%
Mortgage Type
Credit Line Revolving

Purchase Details

Listed on
Feb 8, 2013
Closed on
Feb 28, 2013
Sold by
Bought by
Seller's Agent
Mary Gullixson
Compass
Buyer's Agent
Elaine White
Coldwell Banker Realty
List Price
$3,498,000
Sold Price
$3,449,000
Premium/Discount to List
-$49,000
-1.4%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
7.16%

Purchase Details

Closed on
Feb 17, 2006
Sold by
Bought by
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
-- None Listed On Document
$4,250,000 Lawyers Title Company Of Ca
$3,449,000 First American Title Company
-- None Available
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 $350,000
Previous Owner $1,000,000
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 Prior Sale
03/12/2016 03/12/16 Sold $4,250,000 +1.3% $1,165 / Sq Ft
02/12/2016 02/12/16 Pending -- -- --
02/08/2016 02/08/16 For Sale $4,195,000 0.0% $1,150 / Sq Ft
01/27/2015 01/27/15 Rented $9,500 -13.6% --
12/28/2014 12/28/14 Under Contract -- -- --
11/08/2014 11/08/14 For Rent $11,000 0.0% --
03/05/2013 03/05/13 Sold $3,449,000 -1.4% $946 / Sq Ft View Prior Sale
02/20/2013 02/20/13 Pending -- -- --
02/08/2013 02/08/13 For Sale $3,498,000 -- $959 / Sq Ft
Source: MLSListings

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 $63,590 $5,714,346 $3,930,205 $1,784,141
2023 $63,590 $5,492,455 $3,777,592 $1,714,863
2022 $60,888 $5,384,761 $3,703,522 $1,681,239
2021 $59,808 $5,279,179 $3,630,904 $1,648,275
2020 $59,323 $5,225,049 $3,593,674 $1,631,375
2019 $58,624 $5,122,598 $3,523,210 $1,599,388
2018 $57,195 $5,022,156 $3,454,128 $1,568,028
2017 $50,647 $4,335,000 $3,386,400 $948,600
2016 $42,147 $3,587,772 $2,402,944 $1,184,828
2015 $41,770 $3,533,881 $2,366,850 $1,167,031
2014 $40,986 $3,464,658 $2,320,487 $1,144,171
Source: Public Records

Agents Affiliated with this Home

  • Elaine White

    Seller's Agent in 2016

    Elaine White

    Coldwell Banker Realty

    (650) 566-5323

    2 in this area

    44 Total Sales

    Elaine White
    Section Image

  • T

    Buyer's Agent in 2016

    Tom LeMieux

    Compass

    Section Image

  • M

    Seller's Agent in 2013

    Mary Gullixson

    Compass

    Section Image
See All Agents

Map

Source: MLSListings

MLS Number: ML81549696

MLSListings

APN: 070-223-050

California San Mateo County Atherton 94027

18 Isabella Ave, Atherton, 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.

MLSListings Property Information © 2026 MLSListings Inc. All rights reserved. Listing information is deemed reliable but not guaranteed. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, MLSListings Inc. The viewer acknowledges ownership and validity of its copyright. Information provided is for personal, non-commercial use by a viewer with a bona fide interest in the purchase or sale of real estate of the type being offered via this website or other electronic means. The viewer is prohibited from copying, redistributing or retransmitting any of the data or information provided by MLSListing, Inc.

Nearby Homes
Your Personal Tour Guide

Ask me questions while you tour the home.