ATTOM’s Property Reports include the ability to find and filter comps—including private sales— based on location, date, price, and and a range of property attributes.
Sign Up NowProperty Report for 55 Union St, San Francisco, CA 94111
Find Comparables
View Map Layers
Subscribe to unlock map layers including flood zones and tax parcels
Property Details
- Property Address 55 Union St, San Francisco, CA 94111
- County San Francisco
- Parcel ID 0111 -004
- Legal description N/A
- School district San Francisco Unified School District
- Acreage 0.21
- Property class Office
- Zoning Subscribe
- Square footage 45,000
- Year built 1900
- Bedrooms
- Bathrooms 8
About the Property
55 Union St is a office in the city of San Francisco, CA 94111. Located in the San Francisco Unified School District, which resides in San Francisco County, CA and built in 1900. This Office sits on a 9,000 sq ft lot and features 8 bathrooms and 45,000 sq ft of living space.
The most recent property tax for 55 Union St was $142,052. This property was last sold on July 19, 2021 for $9,900,000.
Property Info
Sign up to see full Property Info for 55 Union St, San Francisco
Flood
Legal
- N/A
- Classification OFFICE BUILDING
- County SAN FRANCISCO
- FIPS 06075
- Civil Division DOWNTOWN-NORTHEAST NEIGHBORHOODS-TREASURE ISLAND
- Census 060750105.001008
- Parcel ID 0111 -004
- Neighborhood 50 VARA BL 15
- Tract 0
- Secondary School District N/A
- Primary School District San Francisco Unified School District
Ownership
Land
- Acres 0.21
- Square Feet 9,000
Building
- Units 1
- Year Built 1900
- Effective Year Built N/A
- Stories 4
- # Fireplaces N/A
- Garage/Carport N/A
Utilities
- Cooling N/A
- Heating N/A
Interior
- Square Footage
- Living Area 45,000
- Total Rooms 40
- Bedrooms N/A
- Total Bathrooms 8
- Full Bathrooms 8
Your Property Report will also include the following information:
How can you use ATTOM Property Reports?
Real Estate Agents
Power up your client responsiveness, productivity, and transaction speed with the most comprehensive data.
Investors
Make faster decisions based on extensive property information that includes purchasing, selling, listing, and mortgage data.
Appraisers
Comparative market analysis facilitates credible valuations that will move inventory and ease transactions.
Homeowners/buyers
Discover how much your home or prospective home is worth and compare to nearby houses
Try before you buy— examine our free sample report and all the rich data it contains.
Start Free TrialSan Francisco Residential Market Stats
Median Sale Price
$1,658,250
+8.7% YoY
Median Price/sq ft.
$981
San Francisco County Median Sale Price
$1,658,250
+8.7% YoY
See more Real Estate Trends for San Francisco including home values, types of properties sold and transaction volumes.
Taxes and Assessments for 55 Union St, San Francisco
| Tax Year | Taxes | Tax Assesed Value | Exemptions |
|---|---|---|---|
| 2024 | $142,052 (+1.5%) | $12,058,940 (+2%) | |
| 2023 | $139,999 (+1.8%) | $11,822,494 (+2%) | |
| 2022 | $137,472 (+356.5%) | $11,590,682 (+366.2%) | |
| 2021 | |||
| 2020 | |||
| 2019 | |||
| 2018 |
Sales History for 55 Union St, San Francisco
The most recent sale on 55 Union St took place on Jul 08, 2021 and recorded on Jul 19, 2021 for $9,900,000.
Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
| Sale Date | Recorded Date | Buyer(s) | Seller(s) | Price | Document ID |
|---|---|---|---|---|---|
Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
| Address | Distance | SqFt | Sale Date | Price | $/SqFt |
|---|---|---|---|---|---|
| 1060 BUSH ST | 1.09 mi | 47,075 | 07/15/2025 | $16,500,000 | $351 |
| 295 BAY ST # 299 | .65 mi | 35,590 | 06/23/2025 | $9,500,000 | $267 |
| 345 TAYLOR ST | 1.22 mi | 50,403 | 06/20/2025 | $9,352,000 | $186 |
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
Sign up to access
Sign up to access
Find the Most Accurate Comparables
Nearby Cities
- 1. San Francisco
- 2. Alameda
- 3. Emeryville
- 4. Belvedere Tiburon
- 5. Berkeley
- 6. Brisbane
Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.