San Francisco County  »  94121  »  18th Ave  »  231 18th Ave

231 18th Avenue, San Francisco, CA 94121 Property Information

231 18th Avenue, San Francisco, CA 94121 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

231 18th Avenue, San Francisco, CA 94121
static Mapbox map

Address

Primary address 231 18th Avenue, San Francisco
Zip code 94121
County San Francisco
Neighborhood Central Richmond
Parcel ID 1415-037

Sales & Tax Overview for 231 18th Avenue, San Francisco

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

Current property tax $9,222

Lot & Building Information for 231 18th Avenue, San Francisco

Building sqft 1,807
Building class Condominium (Z)
Acreage 0.069 i
Year built 1914
Stories 2
Bedrooms 3
Bathrooms 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Residential- House, Two Family (RH-2)
School district San Francisco Unified School District

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 231 18th Avenue, San Francisco

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 231 18th Avenue, San Francisco , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 231 18th Avenue, San Francisco

What is the year built & the total sq. ft. for 231 18th Avenue, San Francisco, CA 94121?

231 18th Avenue, San Francisco, CA 94121 was built in 1914 and has a total of 1,807 square feet.

What is the assessed value of 231 18th Avenue, San Francisco, CA 94121 and the property tax paid?

Assessed at $786,763, the tax amount paid for 231 18th Avenue, San Francisco, CA 94121 is $9,305.

When was 231 18th Avenue, San Francisco, CA 94121 last sold?

231 18th Avenue, San Francisco, CA 94121 was last sold in 07/26/2021.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
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.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 231 18th Avenue, San Francisco

Create a free account to view the complete sales history for 231 18th Avenue, San Francisco, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 231 18th Avenue, 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
07/26/2021 Quitclaim Deed
07/26/2021 Deed of Trust 02/01/2051
07/26/2021 Quitclaim Deed
02/26/2021 Reconveyance
02/26/2021 Substitution Trustee
02/09/2021 Reconveyance
02/09/2021 Substitution Trustee
03/03/2016 Reconveyance
02/12/2016 Deed of Trust
10/08/2015 Grant Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 231 18th Avenue, San Francisco

Access detailed property tax data for 231 18th Avenue, San Francisco, CA 94121. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $9,305
Current property tax $9,222
Market value $786,763

Assessment History for 231 18th Avenue, San Francisco

Here's the assessment & property tax history for 231 18th Avenue, 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
2024-2025 $771,338 1.1714 $9,035 +1.45%
2023-2024 $756,215 1.1777 $8,906 +17.70%
2022-2023 $641,388 1.1797 $7,566 +1.75%
2021-2022 $628,813 1.18248 $7,436 -0.30%
2020-2021 $622,366 1.1984 $7,458 +3.58%

San Francisco residential market stats

Median Sale Price
$1,325,000
1.8% YoY
Median Price/Sqft
$1,026
-0.1% YoY
San Francisco County Median Sale Price
$1,325,000
1.8% 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.

Check out recently sold homes in San-Francisco and see how their prices compare.

Risk

Create a free account to unlock extended information for 231 18th Avenue, San Francisco, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map
Crime incidents map

Transportation

Access the detailed traffic volume map for 231 18th Avenue, San Francisco to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Alamo Elementary School 8 Public K-5 410 0.24
San Francisco Schoolhouse NR Private K-7 60 0.26
Sutro Elementary School 9 Public K-5 219 0.34
St. Monica School NR Private K-8 209 0.38
Kittredge, Inc. NR Private 1-8 82 0.41

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
San Francisco Schoolhouse NR Private K-7 60 0.26
St. Monica School NR Private K-8 209 0.38
Kittredge, Inc. NR Private 1-8 82 0.41
Olympia Institute NR Private 6-11 8 0.46
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.50

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Olympia Institute NR Private 6-11 8 0.46
St. John Of San Francisco Orthodox Acade NR Private K-12 50 0.50
Lisa Kampner Hebrew Academy NR Private K-12 37 0.58
Nativity High school NR Private 9-12 0 0.59
San Francisco County Rop School NR Public 10-12 0 0.64

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 231 18th Avenue, San Francisco

Here are the neighbors for 231 18th Avenue, San Francisco.

Address Square feet Purchase date Purchase price
327 Carl St, San Francisco 1,250 06/12/2007
416 Clayton St, San Francisco 1,940 11/01/2007
253 Carl St, San Francisco 1,400 05/26/2023 $1,775,000
2141 Hayes St, San Francisco 1,560 06/07/2017
1992 Grove St, San Francisco 747 02/11/2022
1159 Fell St, San Francisco 1,450 07/14/2020
1523 Guerrero St, San Francisco 804 05/13/2022 $1,150,000
1657 Grove St, San Francisco 1,011 02/27/2015
188 Seal Rock Dr, San Francisco 978 10/31/2019 $1,200,000
1655 Grove St, San Francisco 1,524 08/02/2007
1147 Cole St, San Francisco 939 05/20/2025
4901 17th St, San Francisco 1,192 12/22/2016
208 Anza St, San Francisco 688 04/01/2019
2147 Hayes St, San Francisco 1,714 06/12/2009
32 Pond St, San Francisco 978 10/25/2023 $1,200,000
509 Central Ave, San Francisco 1,173 10/26/2015 $1,225,000
573 25th Ave, San Francisco 1,570 02/08/2007
511 Central Ave, San Francisco 1,457 02/16/2018 $325,000
3875 17th St, San Francisco 01/23/2007
1852 Grove St, San Francisco 1,785 06/27/2017

Nearby ZIP Codes for 231 18th Avenue, San Francisco

Not sure if we cover all the data-points you need? View sample full report View sample full report