NOT LISTED FOR SALE

599 Sunnymount Ave Sunnyvale, CA 94087

Estimated Value: $2,907,000 - $3,331,000

4 Beds
4.5 Baths
2,450 Sq Ft
$1,302/Sq Ft Est. Value

Last Sold January 05, 2023

Last sale price $2,450,000 $1,000 Per Sq Ft

Est. 30% increase in value since last sale

Current estimated payment $17,949/month

Highlights

  • Private Pool
  • Formal Dining Room
  • Wood Burning Fireplace
  • Cumberland Elementary School Rated A-
  • Forced Air Heating and Cooling System
  • 1-Story Property

About This Home

As of January 2023

Unique home in a prime Sunnyvale location, just a few blocks from Las Palmas Park!

Last Listed By

Phil Billiet

Avior Real Estate License #01218829 Listed on: 01/05/2023

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $2,085

Year Built

  • Built in 1949

Lot Details

  • 9,805 Sq Ft Lot
  • Zoning described as R1AB

Parking

  • No Garage

Home Design

  • Shake Roof
  • Concrete Perimeter Foundation

Interior Spaces

  • 2,450 Sq Ft Home
  • 1-Story Property
  • Wood Burning Fireplace
  • Formal Dining Room

Bedrooms and Bathrooms

  • 4 Bedrooms

Additional Features

  • Private Pool
  • Forced Air Heating and Cooling System

Listing and Financial Details

  • Assessor Parcel Number 0201-31-044

Home Details

Home Type

Single Family

Est. Annual Taxes

$2,085

Year Built

Built in 1949

Lot Details

0

Listing Details

  • Subclass: Single Family Home
  • Age: 74
  • Listing Class: Residential
  • Structure Sq Ft: 2450
  • Year Built: 1949
  • Zoning Description: R1AB
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Family Room: No Family Room
  • Fireplace: Wood Burning
  • Dining Room: Formal Dining Room
  • Living Sq Ft: 2450
  • Stories: 1
  • Fireplaces Min: 1
  • Maximum Numberof Bedrooms: 4
  • Minimum Numberof Bedrooms: 4
  • Full Bathrooms: 4
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Fireplace: Yes

Exterior Features

  • Foundation: Concrete Perimeter and Slab
  • Roof: Shake
  • Pool: Yes

Garage/Parking

  • Garage Parking Features: No Garage

Utilities

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

Schools

  • School District: Fremont Union High
  • Elementary School: Cumberland Elementary
  • Middle School: Sunnyvale Middle
  • High School: Fremont High
  • High School: 257
  • Elementary School: 204
  • Middle School: 210

Lot Info

  • Parcel Number: 0201-31-044
  • Lot Acres: 0.2251
  • Lot Size Area Minimum Units: Square Feet
  • Minimum Lot Size: 9807.00
  • Lot Size Area Maximum Units: Square Feet
  • Maximum Lot Size: 9807.00

Multi Family

  • Utilities: Public Utilities

MLS Schools

  • High School District Text: Fremont Union High
  • Elementary School Text: Cumberland Elementary
  • High School Text: Fremont High
  • Middle School Text: Sunnyvale Middle

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Jan 5, 2023
Closed on
Dec 8, 2022
Sold by
Brienne K Ahern 2007 Living Trust
Bought by
Pan Yue and Xu Shanlan
Seller's Agent
Phil Billiet
Avior Real Estate
Buyer's Agent
Faye Liu
Compass
List Price
$2,599,000
Sold Price
$2,450,000
Premium/Discount to List
-$149,000
-5.73%
Current Estimated Value
$3,190,795

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$740,795
Avg. Annual Appreciation
11.27%
Original Mortgage
$1,945,400
Outstanding Balance
$1,885,485
Interest Rate
5.38%
Mortgage Type
New Conventional
Estimated Equity
$1,249,776

Purchase Details

Closed on
Nov 19, 2007
Sold by
Ahern Brienne K
Bought by
Ahern Brienne K

Purchase Details

Closed on
Oct 15, 2003
Sold by
Ahern Teresa
Bought by
Ahern Brienne

Purchase Details

Closed on
Nov 13, 1998
Sold by
Ahern Donald V
Bought by
Ahern Donald

Purchase Details

Closed on
Oct 20, 1998
Sold by
Ahern Donald V and Ahern Teresa
Bought by
Ahern Donald

Purchase Details

Closed on
Feb 3, 1998
Sold by
Ahern Donald V
Bought by
Ahern Donald and Ahern Teresa

Range of Values:

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

Date Buyer Sale Price Title Company
Pan Yue $2,450,000 Old Republic Title
Ahern Brienne K -- None Available
Ahern Brienne $455,000 --
Ahern Donald -- --
Ahern Donald -- --
Ahern Donald -- --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Pan Yue $1,945,400
Previous Owner Abern Brienne K $1,000,000
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
01/05/2023 01/05/23 Sold $2,450,000 -5.7% $1,000 / Sq Ft
01/05/2023 01/05/23 Pending -- -- --
01/05/2023 01/05/23 For Sale $2,599,000 -- $1,061 / Sq Ft
Source: MLSListings

Tax History Compared to Growth

Source: Public Records

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
2023 $2,085 $156,945 $30,168 $126,777
2022 $2,053 $153,869 $29,577 $124,292
2021 $2,032 $150,853 $28,998 $121,855
2020 $2,007 $149,307 $28,701 $120,606
2019 $1,968 $146,381 $28,139 $118,242
2018 $1,931 $143,512 $27,588 $115,924
2017 $1,908 $140,699 $27,048 $113,651
2016 $1,826 $137,941 $26,518 $111,423
2015 $1,835 $135,870 $26,120 $109,750
2014 $1,802 $133,210 $25,609 $107,601
Source: Public Records

Agents Affiliated with this Home

  • Phil Billiet

    Seller's Agent in 2023

    Phil Billiet

    Avior Real Estate

    (650) 906-6969

    4 in this area

    56 Total Sales

    Phil Billiet
    Section Image
  • Faye Liu

    Buyer's Agent in 2023

    Faye Liu

    Compass

    (415) 217-9387

    3 in this area

    52 Total Sales

    Faye Liu
    Section Image
See All Agents

Map

Similar Homes in the area

  • 871 Lori Ave, Sunnyvale, CA 94086

    $2,998,000

    • 5 Beds
    • 4 Baths
    • 2,707 Sq Ft
    • 871 Lori Ave
    • Sunnyvale, CA

    This brand-new, ground-up construction is a true embodiment of organic modern design, created with an unwavering commitment to quality and longevity. Built as a forever home, every detail - from the floating staircase to the curated accent lighting - has been meticulously crafted to deliver a seamless blend of style and functionality. Spanning over 2,707 sq. ft. and set on a 6,218 sq. ft. lot,

    Christina Khosrowabadi Christie's International Real Estate Sereno

    Section Image
  • 969 Kennard Way, Sunnyvale, CA 94087

    $2,797,000

    • 4 Beds
    • 4 Baths
    • 2,372 Sq Ft
    • 969 Kennard Way
    • Sunnyvale, CA

    Step into this fully reimagined 4-bedroom, 4-bathroom Sunnyvale stunner, where modern design meets functional luxury. Boasting an open, flowing floor plan and high-end finishes throughout, this home features a chef’s kitchen with top-of-the-line appliances, perfect for entertaining or casual family meals. Each of the spa-like bathrooms—two upstairs and two downstairs—have been thoughtfully

    Daniel Donate Exp Realty Of Northern California, Inc

    Section Image
  • 709 Valonia Oak Terrace, Sunnyvale, CA 94086

    $3,288,000

    • 4 Beds
    • 4.5 Baths
    • 2,983 Sq Ft
    • 709 Valonia Oak Terrace
    • Sunnyvale, CA

    Introducing this stunning home in Harmony, one of the newest and most coveted Single Family communities in Sunnyvale built by Trumark Homes in 2021. Nested in the highly desirable Ponderosa Park neighborhood and zoned to award winning Ponderosa Park Elem! Step into luxury with 4 grand bedroom suites w/ a ground level Jr Suite, perfect for in-laws. Loads of builder and homeowner selected upgrades,

    Rabia Alizai Compass

    Section Image
  • 3492 Toomey Place, Santa Clara, CA 95051

    $2,649,000

    • 3 Beds
    • 5 Baths
    • 2,462 Sq Ft
    • 3492 Toomey Place
    • Santa Clara, CA

    Welcome to 3492 Toomey Place - a stunning, modern single-family home in the highly sought-after Nuevo community of Santa Clara. This spacious home features an open-concept layout drenched in natural light, plus three private outdoor spaces, including a show-stopping rooftop deck with a built-in fireplace - perfect for relaxing or entertaining with a view! Inside, youll find over $120K in premium

    Rie Asai Intero Real Estate Services

    Section Image
  • 3466 Copper Place, Santa Clara, CA 95051

    $2,699,000

    • 4 Beds
    • 4.5 Baths
    • 2,557 Sq Ft
    • 3466 Copper Place
    • Santa Clara, CA

    Welcome to your dream house in the heart of Santa Clara! East facing, this filled with natural light Single Family home nestled in Nuevo at Lawrence Station, by award-winning builder Summer Hill. It offers one of the largest floor plans in the community. Open floor plan features large living area with beautiful flooring and deck off the main living area. Huge gourmet Kitchen with white

    Elena Johal Tenacity Real Estate

    Section Image
See All Homes in Sunnyvale

Source: MLSListings

MLS Number: ML81915625

MLSListings

APN: 201-31-044

California Santa Clara County Sunnyvale 94087

599 Sunnymount Ave, Sunnyvale, CA

Homes for Sale in Sunnyvale, CA

This home is located at 599 Sunnymount Ave, Sunnyvale, CA 94087 since 05 January 2023 and is currently estimated at $3,190,795, approximately $1,302 per square foot. This property was built in 1949. 599 Sunnymount Ave is a home located in Santa Clara County with nearby schools including Cumberland Elementary School, Sunnyvale Middle School, and Fremont High School.

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 © 2025 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.