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$1,175,000

  • For Sale
  • Active
  • Duplex
  • 1,784 Sq. Ft.
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Welcome to 42 Union Street a rare Victorian duplex offering charm, character, and incredible investment upside in the heart of San Jose. Built in 1889 and thoughtfully updated, this two-unit property features a 4BD/2BA upper unit and a 3BD/2BA lower unit, each with high ceilings, modern LVP flooring, and renovated kitchens boasting quartz countertops, stainless steel appliances, and white shaker cabinetry. The upper unit opens to a covered deck with sweeping backyard views perfect for entertaining while the lower level offers its own private patio space. Additional highlights include updated plumbing, electrical, and fresh interior finishes throughout. The expansive lot features a long driveway accommodating multiple vehicles or RVs. Located just minutes from downtown San Jose, the future Google Village development, top dining, shopping, and with easy access to Highways 280, 101, and 87 this property is an exceptional opportunity for owner-occupants and investors alike. Don't miss it!

Full Property Details for 42 Union St

General

  • Price: $1,175,000
  • Status: Active
  • Type: Duplex
  • Source: RE_Infolink
  • MLS ID: ML82052509
  • Updated: 6/28/2026
  • Added to Site: 15 day(s) ago

Interior

  • Interior Features: High Ceiling , Other
  • Flooring: Laminate, Tile

Rooms

Other Rooms

  • Kitchen: Formica Countertop, Icemaker, Stone Countertop, Dishwasher, Garbage Disposal, Appliances (Varies by Unit), Varies by Unit, Microwave, Other, Exhaust Fan, Built-In Oven/Range
  • Laundry: Hookups Only

Additional Information

  • Extras: Not Applicable
  • Security/Safety: Other

Parking

  • Parking Features: Carport , Varies by Unit, Common Parking Area

Location

  • Area: Central San Jose
  • County: Santa Clara
  • Cross Streets: 1st Street

Heating & Cooling

  • Cooling Type: Central AC
  • Heating Type: Central Air (Gas/Forced Air)

Utilities

  • Sewer: Public Sewer
  • Water: Other, Public
  • Telecomm.: Cable TV, Satellite Dish, Other
  • Utility Description: Individual Gas Meters, Public Utilities
  • Metering: Separate Gas, Master Electric, Master Water

Structural Information

  • Architectural Style: Victorian
  • Construction: Wood Frame
  • Foundation: Other, Concrete Slab
  • Roof: Shingle
  • Disability Access: Parking
  • Square Feet: 1,784
  • Year Built: 1889

Unit Information

Unit 1

  • Square Feet: 900
  • Bedrooms: 4

Unit 2

  • Square Feet: 884
  • Bedrooms: 3

Lot Features

  • Property View: Other
  • Lot Size (Acres): 0.1289
  • Minimum Lot Size: 5616
  • Lot Size (Sq. Ft.): 5,616
  • Building Sites: 1
  • Grounds/Landscape: Fenced, Balcony / Patio, Other
  • Zoning: RM
  • Lot Description: Regular

Green Features

  • Energy Efficient: Other, Double-Pane Windows

Listed by Akimax Lending, Juan J Coss

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Listing agent

— 42 Union St —

  • Juan J Coss

    Akimax Lending

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 42 Union St

School District:San Jose Unified School District
NameGradesDistance
Washington Elementary School, San Jose, CA
100 Oak Street, San Jose, CA 95110
K-50.2 mi
Willow Glen Middle School
2105 Cottle Avenue, San Jose, CA 95125
6-82.5 mi
Willow Glen High School
2001 Cottle Avenue, San Jose, CA 95125
9-122.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 42 Union St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
6/28/2026
Listed
$1,175,000
20.51%
MLS
5/05/2023
Sold
$975,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 42 Union St

Year
Property Taxes
Change
Tax Assessment
Change
2025
$16,504
5%
$1,014,390
2%
2024
$15,655
28%
$994,500
26%
2023
$12,245
146%
$790,500
1683%
2022
$4,975
66%
$44,346
2%
2021
$3,001
9%
$43,478
1%
2020
$2,747
6%
$43,033
2%
2019
$2,601
3%
$42,190
2%
2018
$2,514
2%
$41,364
2%
2017
$2,459
7%
$40,554
2%
2016
$2,300
1%
$39,760
2%
2015
$2,272
120%
$39,164
2%
2014
$1,034
1%
$38,397
—
2013
$1,028
—
$38,225
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Akimax Lending, Juan J Coss

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42 Union St, San Jose, CA 95110 (MLS# ML82052509) is a Duplex property with 0 bedrooms and 0 full bathrooms. 42 Union St is currently listed for $1,175,000 and was received on June 28, 2026. Want to learn more about 42 Union St? Do you have questions about finding other Duplex real estate for sale in San Jose? You can browse all San Jose real estate or contact a Coldwell Banker agent to request more information.

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