NOT LISTED FOR SALE

4099 St Helena Way Dublin, CA 94568

Wallis Ranch Neighborhood

Estimated Value: $1,578,000 - $1,731,000

4 Beds
3 Baths
2,069 Sq Ft
$806/Sq Ft Est. Value

About This Home

This home is located at 4099 St Helena Way, Dublin, CA 94568 and is currently estimated at $1,668,513, approximately $806 per square foot. 4099 St Helena Way is a home with nearby schools including John Green Elementary School, Dublin High School, and The Quarry Lane School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Jul 9, 2025
Sold by
Cosgrove Brian Patrick and Lau Donna Lan
Bought by
Cosgrove-Lau Trust and Cosgrove
Current Estimated Value
$1,668,513

Purchase Details

Closed on
Sep 26, 2018
Sold by
Th Wr 8 Venture Llc
Bought by
Cosgrove Brian and Lau Donna

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$893,706
Interest Rate
4.5%
Mortgage Type
New Conventional
Source: Public Records

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.

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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.

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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.

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Quantarium

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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
Cosgrove-Lau Trust -- None Listed On Document
Cosgrove Brian $1,117,500 First American Title Company
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Cosgrove Brian $893,706
Source: Public Records

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
2025 $16,352 $1,239,125 $376,035 $870,090
2024 $16,352 $1,214,693 $368,662 $853,031
2023 $16,183 $1,197,743 $361,435 $836,308
2022 $15,988 $1,167,261 $354,349 $819,912
2021 $15,940 $1,145,637 $347,401 $803,836
2020 $14,918 $1,139,442 $343,842 $795,600
2019 $14,932 $1,117,100 $337,100 $780,000
2018 $8,104 $639,883 $639,883 $0
2017 $8,015 $627,336 $627,336 $0
Source: Public Records

Map

California Alameda County Dublin 94568 Wallis Ranch

4099 St Helena Way, Dublin, CA

This home is located at 4099 St Helena Way, Dublin, CA 94568 and is currently estimated at $1,668,513, approximately $806 per square foot. 4099 St Helena Way is a home with nearby schools including John Green Elementary School, Dublin High School, and The Quarry Lane School.

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