1515 Union St Unit PH5 San Francisco, CA 94123
Cow Hollow Neighborhood
3
Beds
2.5
Baths
1,943
Sq Ft
$2,200/mo
HOA Fee
Highlights
- Views of San Francisco
- New Construction
- Built-In Refrigerator
- Sherman Elementary Rated A-
- Rooftop Deck
- 4-minute walk to Allyne Park
About This Home
As of April 2025Perched atop Union House in prestigious Pacific Heights, Penthouse Five is a breathtaking retreat that defines sophisticated city living. This northwest-facing, seventh-floor residence is one of the largest available, offering 1,943 square feet of refined elegance with three bedrooms and two-and-a-half baths. The showpiece of this home is the expansive private rooftop terrace, among the largest in the building, where panoramic views of the Golden Gate Bridge, Palace of Fine Arts, and the shimmering San Francisco Bay create a stunning backdrop for entertaining or quiet relaxation. Inside, the open-concept living area is designed for both comfort and style, featuring a chef's kitchen with top-tier appliances, a spacious island with a built-in wine fridge, and a seamless flow into the dining and family room. Residents enjoy world-class amenities, including a seven-day-a-week doorman, a shared rooftop lounge, private parking, and additional storage. Experience the pinnacle of luxury in one of San Francisco's most sought-after addresses.
Property Details
Home Type
- Condominium
Est. Annual Taxes
- $40,326
Year Built
- Built in 2020 | New Construction
HOA Fees
- $2,200 Monthly HOA Fees
Property Views
- Marina
- Bay
- San Francisco
- Bridge
- City Lights
Home Design
- Contemporary Architecture
- Traditional Architecture
- Modern Architecture
- Concrete Foundation
- Pillar, Post or Pier Foundation
- Ceiling Insulation
- Floor Insulation
- Wood Siding
Interior Spaces
- 1,943 Sq Ft Home
- Double Pane Windows
- Great Room
- Family Room Off Kitchen
- Living Room
- Dining Room
- Home Office
- Laundry closet
Kitchen
- Built-In Gas Oven
- Built-In Gas Range
- Built-In Refrigerator
- Ice Maker
- Dishwasher
- Marble Countertops
- Disposal
Flooring
- Wood
- Marble
Bedrooms and Bathrooms
- Walk-In Closet
- Marble Bathroom Countertops
- Dual Flush Toilets
- Dual Vanity Sinks in Primary Bathroom
- Low Flow Toliet
- Soaking Tub in Primary Bathroom
- Separate Shower
Home Security
Parking
- 1 Car Attached Garage
- Enclosed Parking
- Side by Side Parking
- Garage Door Opener
- Assigned Parking
Utilities
- Central Heating and Cooling System
- Internet Available
- Cable TV Available
Additional Features
- Energy-Efficient Appliances
- Rooftop Deck
Listing and Financial Details
- Assessor Parcel Number 0546-111
Community Details
Overview
- Association fees include common areas, door person, elevator, gas, insurance on structure, maintenance exterior, ground maintenance, management, security, sewer, trash, water
- 41 Units
- Union House Owners Association, Phone Number (800) 400-2248
- Mid-Rise Condominium
- 8-Story Property
Amenities
- Rooftop Deck
- Community Barbecue Grill
Pet Policy
- Limit on the number of pets
- Dogs and Cats Allowed
Security
- Carbon Monoxide Detectors
- Fire and Smoke Detector
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Mar 6, 2025
Closed on
May 23, 2025
Sold by
Prochaska Martini Judith J
Bought by
Judith Prochaska Martini Revocable Trust and Martini
Seller's Agent
Andres Ardila
Compass
Buyer's Agent
Arrian Binnings
Christie's Int'l Real Estate
List Price
$4,625,000
Sold Price
$4,425,000
Premium/Discount to List
-$200,000
-4.32%
Views
92
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-49.80%
Original Mortgage
$700,000
Interest Rate
6.76%
Purchase Details
Closed on
Jun 24, 2020
Sold by
Dm 2465 Van Ness Llc
Bought by
Martini Judith J Prochaska
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$750,000
Interest Rate
6.25%
Mortgage Type
New Conventional
Similar Homes in San Francisco, CA
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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
Average Home Value in this Area
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | -- | Chicago Title |
Source: Public Records
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $700,000 | No Value Available | |
| Closed | $100,000 | New Conventional | |
| Previous Owner | $750,000 | New Conventional |
Source: Public Records
Property History
| Date | Event | Price | Change | Sq Ft Price |
|---|---|---|---|---|
| 04/11/2025 04/11/25 | Sold | $4,425,000 | -4.3% | $2,277 / Sq Ft |
| 03/14/2025 03/14/25 | Pending | -- | -- | -- |
| 03/06/2025 03/06/25 | For Sale | $4,625,000 | -- | $2,380 / Sq Ft |
Source: San Francisco Association of REALTORS® MLS
Tax History Compared to Growth
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 |
|---|---|---|---|---|
| 2024 | $40,326 | $3,375,039 | $359,666 | $3,015,373 |
| 2023 | $39,734 | $3,308,863 | $352,614 | $2,956,249 |
| 2022 | $39,003 | $3,243,984 | $345,700 | $2,898,284 |
| 2021 | $38,321 | $3,180,377 | $338,922 | $2,841,455 |
Source: Public Records
Agents Affiliated with this Home
-
Andres Ardila
Seller's Agent in 2025
Andres Ardila
Compass
(415) 608-1003
9 in this area
52 Total Sales
-
David Costello
Seller Co-Listing Agent in 2025
David Costello
Compass
(415) 660-9955
7 in this area
43 Total Sales
-
Arrian Binnings
Buyer's Agent in 2025
Arrian Binnings
Christie's Int'l Real Estate
(415) 830-2384
7 in this area
151 Total Sales
-
Sejal Binnings
S
Buyer Co-Listing Agent in 2025
Sejal Binnings
Christie's International Real
1 in this area
12 Total Sales
Map
Source: San Francisco Association of REALTORS® MLS
MLS Number: 425015303
APN: 0546-111
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