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Union City 94587
4439 Horner St
$949,950
● House - For Sale

4439 Horner St

Union City, CA 94587
bedrooms
2 Beds
bathrooms
2 Baths
square feet
1,398 Ft²
$4,665
Est. Monthly

About This Property

Welcome to this charming and well-kept home sitting on an impressive 7,500 sq ft lot in the highly sought-after city of Union City. The residence offers a warm and cozy interior, ideal for buyers seeking comfort and a property with long-term upside in one of the most desirable markets in the Bay Area.  The expansive lot opens the door to exceptional potential - including the opportunity to build an ADU for additional living space or rental income. With a wide street that provides abundant parking and a generous backyard ready for future improvements, this property stands out as a rare find.  A valuable combination of location, lot size, and investment flexibility makes this home a smart choice for both homeowners and investors looking to maximize returns in Union City.
Unit Size
1,398 Ft²
Days on Market
37 days
Land Size
0.17 acres
Price per sqft
$680
Property Type
House
Property Taxes
-
HOA Dues
-
Year Built
1898

Listed By

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Last updated: 2 months ago (bridgeMLS/CCAR/Bay East AOR #41149567)

Price History

Date / Event Date Event Price
Sep 26, 2026 Listed by World Premier Realty WPR $949,950
Listed by World Premier Realty WPR

Property Highlights

Fireplace
Interior Details
Full Bathrooms: 2
Appliances: Gas Water Heater
Flooring Type: Carpet, Laminate, Tile
Fireplace Features: None
Exterior Details
Square Footage: 1398
Architectural Style: Cottage
Year Built: 1898
Levels: One
Other Structures: Storage
Construction Materials: Wood Siding
Pool Features: None
Lot Features: Back Yard, StreetLevel
Lot Size Area: 7500
Lot Size Units: Square Feet
Lot Size Acres: 0.1722
Lot Size Square Feet: 7500
Utilities Details
Cooling Type: None
Heating Type: None

Building Info

Overview

    General

  • Year Built: 1898
  • Effective Year Built: 1898
  • Building Count: 1
  • Total Rooms: 7
  • Bedroom Count: 2
  • Bathroom Count: 2
  • Full Bathrooms: 2
  • Partial Bathrooms: 2
  • Building Condition: 0
  • Building Quality: 14
  • Construction Type: 17
  • Building Style: 25
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 100
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 7
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 7,500
  • Total Building Area: 1,378
  • Building Area: 1,378
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 0
  • Heated Square Feet: 1,378
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: IVEYWOOD
  • Land Acres: 0000000172
  • Standard Land Use Code: 1001
  • County Land Use Code: 1200
  • Legal Description 1: LOT: 00008 BLK: AR: 0482 PAGE: 0015

Neighborhood

  • School District Name: New Haven Unified School District
  • Census Tract: 440331

Geography

  • Assessors Map Reference: 82-D1
  • Parcel: Jan 01, 1970
  • Block: K
  • Lot: 2
  • Municipality: UNION CITY
  • Latitude: 37.5958
  • Longitude: -122.086

    Address

  • Full Address: 4439 Horner St
  • Address - House Number: 4439
  • Address - Street Name: Horner
  • Address - Suffix Type: St
  • State: CA
  • City Name: Union City
  • Carrier Code: C032
  • 4-Digit Zip Code: 2525
  • Zip Code: 94587

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $520,616
  • Tax Rate Code Area: 15-051

    Appraisal Valuation

  • Standard Deviation: 0.2103
  • Valuation Date: Jul 12, 2023
  • Confidence Score: 71
  • Final Value: 1,049,774
  • High Value: 1,270,618
  • Low Value: 828,930

    Assessments Valuation

  • Assessed Year: 2022
  • Assessed Total Value: $256,983
  • Assessed Land Value: $79,137
  • Assessed Improvements Value: $184,846

    Exemptions

  • Homeowner Exemption: Yes

    Sales

  • Current Sale Contract Date: Dec 08, 2008
  • Current Sale Recording Date: Dec 30, 2008
  • Current Sale Price:
  • Current Sale Document Type: 36
  • Current Sale Input Document Number: 2008362401
  • Previous Sale Recording Date: Jul 29, 2008
  • Previous Sale Contract Date: Jul 25, 2008
  • Previous Sale Amount: $205,000
  • Previous Sale Document Type: 69
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Union City


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Frequently Asked Questions

When was property at 4439 Horner Street built and last sold?
The property at 4439 Horner Street was built in 1898 and last sold on Dec 8, 2008 for $170,000.
How much is this home worth?
The estimated value of the home located at 4439 Horner Street is $954,832.
What are some comparable homes to 4439 Horner Street?
There are currently no comparable homes to 4439 Horner Street.