3515 UNION STSan Diego, CA 92103

Single Family · 4 Beds · 3 Full Baths · 1 Half Bath · 4,600 Sq. ft.
$4,499,000 Active

3515 UNION ST Overview

Time on Site:
53 days
Visits:
3

Welcome to 3515 Union Street, a stunning architectural residence in the heart of Mission Hills, one of San Diego’s most coveted neighborhoods. Spanning approximately 4,600 square feet, this exceptional 4-bedroom, 3.5-bath home offers an elevated living experience defined by scale, light, and breathtaking views. Step inside to soaring 20-foot ceilings that create a dramatic first impression, complemented by expansive windows that flood the home with natural light and frame sweeping views of the city and beyond. The open-concept layout is both grand and inviting, designed for seamless entertaining and comfortable everyday living. The chef’s kitchen flows effortlessly into the main living and dining areas, while multiple indoor-outdoor transitions allow you to fully enjoy Southern California living. Spacious bedrooms provide privacy and comfort, with a luxurious primary suite that serves as a true retreat. Set on a prime street in Mission Hills, this home combines tranquility with convenience—just minutes from top dining, boutique shopping, downtown, and the airport. The neighborhood’s timeless charm, tree-lined streets, and prestigious reputation make it one of San Diego’s most desirable places to call home. With its rare size, volume, and view orientation, 3515 Union Street presents a unique opportunity to own a standout property in a premier location.

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3515 UNION ST Facts & Features

  • Type Single Family
  • Sq. ft. 4,600
  • Price/Sq.ft. $978

Details

General

Association/HOA

  • Association: No

Building Information

  • New Construction: No
  • Year Built: 2003

Location/Region

  • Country: US
  • County Or Parish: San Diego
  • MLS Area Major: 92103 - Mission Hills
  • Postal City: SAN DIEGO
  • Subdivision Name: Mission Hills

General Information

  • Listing Terms: Cash,Conventional
  • Parcel Number: 4514611400
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No

Interior

Parking Information

  • Garage Spaces: 2.0
  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total: 4
  • Bedrooms Total: 4

General Information

  • Appliances: 6 Burner Stove,Dishwasher,Freezer,Disposal,Gas Oven,Gas Range,Refrigerator,Water Softener,Water Purifier
  • Fireplace Features: Bath,Dining Room,Family Room,Living Room,Primary Bedroom,Outside
  • Fireplace: Yes
  • Interior Features: See Remarks
  • Laundry Features: Gas Dryer Hookup,Laundry Room
  • Levels: Two
  • Living Area: 4600.0
  • Living Area Source: Assessor
  • Spa: No
  • Stories: 2
  • Stories Total: 2

Exterior

Parking Information

  • Open Parking Spaces: 2.0
  • Parking Features: Driveway
  • Parking Total: 4.0

Lot Information

  • Lot Size Source: Assessor

Waterfront/View

  • View: No

Building Exterior/Construction

  • Construction Materials: Stone,Stucco
  • Property Attached: No
  • Roof: Flat Tile

General Information

  • Fencing: None
  • Pool Features: None
  • Pool Private: No

3515 UNION ST Neighborhood

Community

92103 (SAN DIEGO) Demographics

41
Median Age
9,092
Population Density (per sq. mile)
69%
College Educated
$78,338
Estimated Median Income
6,111
Estimated Total Home Owners
12,286
Estimated Total Renters
33% / 67%
Estimated Owner / Renter Divide
2
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

3515 UNION ST Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

3515 UNION ST Market Data

Based on the last 30 days in this zip code

$1,391,536
Average List Price
$904
Average Price per Square Foot
27
Properties Sold
69
Average Days on Market
168
Properties for Sale
Calculations provided by Reliance Network

3515 UNION ST History

Date Event Value Agent
5/11/2026Source: CRMLS Status Change
Active
5/7/2026Source: CRMLS Added to Database
May 07, 2026
Listing provided courtesy of The AgencyLaura Valente- MLS# 260011095SDMLS ProviderContact Information: [email protected] - 858-667-5400