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1638 Mason Street, San Francisco, CA 94133 Property Information

1638 Mason Street, San Francisco, CA 94133 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
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1638 Mason Street, San Francisco, CA 94133
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Address

Primary address 1638 Mason Street, San Francisco
Zip code 94133
County San Francisco
Neighborhood North Beach
Parcel ID 0129-023

Sales & Tax Overview for 1638 Mason Street, San Francisco

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 08/08/2025
Sale price $80,000
Arm's length
Property tax $5,530

Lot & Building Information for 1638 Mason Street, San Francisco

Building sqft 5,061
Building class Apartments 5 to 14 Units (A5)
Acreage 0.083
Rooms 21
Units 5
Year built 1914
Stories 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district San Francisco Unified School District

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Other Property Data for 1638 Mason Street, San Francisco

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About 1638 Mason Street, San Francisco

What is the year built & the total sq. ft. for 1638 Mason Street, San Francisco, CA 94133?

1638 Mason Street, San Francisco, CA 94133 was built in 1914 and has a total of 5,061 square feet.

What is the assessed value of 1638 Mason Street, San Francisco, CA 94133 and the property tax paid?

Assessed at $467,580, the tax amount paid for 1638 Mason Street, San Francisco, CA 94133 is $5,530.

When was 1638 Mason Street, San Francisco, CA 94133 last sold and what was the last sale price?

1638 Mason Street, San Francisco, CA 94133 was last sold in 08/08/2025 for $80,000.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Research 100M+ property records powered by:
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Past Sales & Property History for 1638 Mason Street, San Francisco

Create a free account to view the complete sales history for 1638 Mason Street, San Francisco, including title documents, transfer conditions, mortgages and liens.

Sale date Sale price Buyer name Seller name
08/08/2025 $80,000

Title Documents for 1638 Mason Street, San Francisco

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
08/08/2025 Quitclaim Deed
05/07/2024 Trust Transfer Deed
12/19/2019 Grant Deed
12/19/2019 Affidavit of Death
11/23/2009 Release Lien
09/23/2009 Notice Lien
07/22/2009 Release Lien
06/24/2009 Notice Lien
11/14/2008 Release Lien
09/22/2008 Notice Lien
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R: Recorded date
D: Document date

Property Taxes for 1638 Mason Street, San Francisco

Access detailed property tax data for 1638 Mason Street, San Francisco, CA 94133. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $5,530
Market value $467,580

Assessment History for 1638 Mason Street, San Francisco

Here's the assessment & property tax history for 1638 Mason Street, San Francisco, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $467,580 1.1827 $5,530 +2.98%
2024-2025 $458,447 1.1714 $5,370 +1.45%
2023-2024 $449,463 1.1777 $5,293 +1.82%
2022-2023 $440,659 1.1797 $5,198 +1.75%
2021-2022 $432,028 1.18248 $5,109 -0.30%

San Francisco residential market stats

Median Sale Price
$1,385,000
2.6% YoY
Median Price/Sqft
$1,098
7.5% YoY
San Francisco County Median Sale Price
$1,385,000
2.6% YoY

Access a detailed real estate market overview of San Francisco so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in San Francisco and compare it to other neighborhoods in San Francisco County.

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Demographics by Zip Code

Total population 23,804
Median age 45.5
Average household income $153,281
Family households 39.1%
Occupied housing units 12,653
Owner occupied units 16.5%
Average number of people per household 1.87
Median year structure built 1938
Median value for units with a mortgage $1,603,200
Median value for units without a mortgage $1,517,100

Risk

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FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map
Crime incidents map

Transportation

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Neighbors for 1638 Mason Street, San Francisco

Here are the neighbors for 1638 Mason Street, San Francisco.

Address Square feet Purchase date Purchase price
4 Eaton Pl, San Francisco 09/17/2024
731 Green St, San Francisco 2,716 10/01/2001
880 Vallejo St, San Francisco 4,878 10/25/2012
874 Vallejo St, San Francisco 1,536 12/20/2012
838 Vallejo St, San Francisco 10,710 07/14/2015
850 Vallejo St, San Francisco 3,876 01/07/2025 $1,150,000
858 Vallejo St, San Francisco 04/20/2020
785 Green St, San Francisco 2,200 04/12/2021
745 Green St, San Francisco 3,556 04/02/2015
725 Green St, San Francisco 2,644 12/17/1996 $425,000
1618 Mason St, San Francisco 16,350 04/22/2026 $9,885,000
1600 Mason St, San Francisco 11,000 04/27/1990
1652 Mason St, San Francisco 3,936 11/09/2017
781 Green St, San Francisco 3,455 09/17/2024
735 Green St, San Francisco 6,713 03/23/2021
862 Vallejo St, San Francisco 5,398 09/26/2016
755 Green St, San Francisco 20,646 02/24/2026
1660 Mason St, San Francisco 6,750 03/19/2002
1620 Mason St, San Francisco 5,286 08/18/2017 $3,375,000
868 Vallejo St, San Francisco 2,050 01/10/2006 $700,000

Nearby ZIP Codes for 1638 Mason Street, San Francisco

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