NOT LISTED FOR SALE

644 Railroad Ave South San Francisco, CA 94080

Downtown South San Francis Neighborhood

Estimated Value: $942,000 - $1,261,000

2 Beds
1 Bath
780 Sq Ft
$1,316/Sq Ft Est. Value

About This Home

This home is located at 644 Railroad Ave, South San Francisco, CA 94080 and is currently estimated at $1,026,655, approximately $1,316 per square foot. 644 Railroad Ave is a home located in San Mateo County with nearby schools including Spruce Elementary School, Parkway Heights Middle School, and South San Francisco High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Aug 28, 2025
Sold by
Losno Maureen Staben
Bought by
Marco A Losno Sr And Maureen S Losno 2025 Rev and Losno
Current Estimated Value
$1,026,655

Purchase Details

Closed on
May 3, 2002
Sold by
Staben Esmeralda M
Bought by
Losmo Maureen Staben
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.

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
Marco A Losno Sr And Maureen S Losno 2025 Rev -- None Listed On Document
Losmo Maureen Staben -- --
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 $1,516 $60,742 $26,940 $33,802
2023 $1,516 $58,386 $25,895 $32,491
2022 $1,417 $57,242 $25,388 $31,854
2021 $1,394 $56,121 $24,891 $31,230
2020 $1,372 $55,546 $24,636 $30,910
2019 $1,365 $54,457 $24,153 $30,304
2018 $1,336 $53,390 $23,680 $29,710
2017 $1,265 $52,344 $23,216 $29,128
2016 $1,171 $51,318 $22,761 $28,557
2015 $1,149 $50,549 $22,420 $28,129
2014 $1,116 $49,559 $21,981 $27,578
Source: Public Records

Map

California San Mateo County South San Francisco 94080 Downtown South San Francis

644 Railroad Ave, South San Francisco, 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.

Nearby Homes