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321 Diamond St, San Francisco, CA 94114 Property Records

San Francisco City property record for 321 Diamond St, San Francisco, CA 94114

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 2,150 sqft · built 1911
Lot Size0.001 acres (31 sqft)
OwnerTrust Name on File
Tax Bill$1,207 (2025)
Deeds & MortgagesJul 2022 Line of Credit
Jun 2020 Mortgage
APN2751-019

Property Details

APN / Parcel Number

Primary APN2751-019

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area2,150 sqft Living Area
1st Floor Area2,150 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1911
Effective Year BuiltEffective 1911
Construction TypeFrame
Lot Area31 sqft (0.001 acres)
Lot Dimensions125 ft deep x 25 ft wide

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Street Address321 DIAMOND ST
CitySAN FRANCISCO
StateCA
Zip94114-2820
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRH2
Legal DescriptionMAP B3 10
Legal SubdivisionHORNERS ADDITION
Legal Block2751
Legal Lot Number19
JurisdictionSAN FRANCISCO CA
Township / Civil DivisionWESTERN ADDITION-BUENA VISTA-EUREKA VALLEY
Census Block Group3
Census Block3004
Census Tract20500

Owner

321 Diamond St is owner-occupied and held in a trust since April 2012.

Source: San Francisco City records, as of September 8, 2026

Owner of RecordTrust Name on File
Mailing Address321 DIAMOND ST, SAN FRANCISCO, CA 94114-2820
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Jul 6, 2022Deed of Trust, Mortgage · Line of Credit
FIRST REPUBLIC BANK
Jun 3, 2020Deed of Trust, Mortgage · Conventional Mortgage
GUARANTEED RATE

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateApr 3, 2012
Transfer DocK622/0105
Record UpdatedOct 29, 2026

July 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN FRANCISCO CA
Property Address321 DIAMOND ST, SAN FRANCISCO, CA 94114-2820
Transaction TypeMortgage
Record UpdatedJul 29, 2022
Title CompanyFIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address321 DIAMOND ST, SAN FRANCISCO, CA 94114-2820

Mortgage

Document Number0000066049
DateJul 6, 2022
Instrument2022066049
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeLine of Credit
AmountAmount on Record
Term299 Months
DueJun 26, 2047
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN FRANCISCO CA
Property Address321 DIAMOND ST, SAN FRANCISCO, CA 94114-2820
Document Number0K93800686
Instrument DateJun 3, 2020
Transaction TypeMortgage
Record UpdatedJun 29, 2020
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address321 DIAMOND ST SAN FRANCISCO CA 941142820, SAN FRANCISCO, CA 94114-2820

Mortgage

Document Number0K93800686
DateJun 8, 2020
InstrumentK938686
Lender
NameGUARANTEED RATE
AddressCHICAGO, IL 60613
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJun 7, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 321 Diamond St was $1,207 with a homeowner's exemption, up 2.8% from the year before.

Source: San Francisco City assessment roll, as of September 8, 2026

Property Jurisdictions

TypeName
StateCalifornia
County / MunicipalitySan Francisco City
Unified School DistrictSan Francisco Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$101,779 (+2.04%) Land $32,980 Building $68,799
2025$1,207.00 (+2.81%) Homeowner's exemption$99,748 Land $32,317 Building $67,431
2024$1,174.00 (+1.47%)
2023$1,157.00 (+1.76%) Homeowner's exemption$95,876 Land $31,063 Building $64,813
2022$1,137.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA has no flood map on file for 321 Diamond St; 1 flood insurance policy is in force nearby.

Source: FEMA National Flood Hazard Layer · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneNot on file
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

The area around 321 Diamond St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemSFPUC CITY DISTRIBUTION DIVISION
serves 848,019 people · EPA ID CA3810011
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2023
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 1,850 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Sonic Telecom
Fiber		1,000 / 1,000
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100

May also be available: AT&T, GeoLinks, Google Fiber, T-Mobile, Verizon.

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