185 Diamond St, San Bruno, CA 94066 Property Records

San Mateo County property record for 185 Diamond St, San Bruno, CA 94066

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,550 sqft · built 1948
Lot Size0.065 acres (2,827 sqft)
Owner2 Company Names on File
Last Sale$445,000 (Mar 2009)
Tax Bill$8,226 (2025)
Deeds & MortgagesJun 2018 Transfer
Flood ZoneZone X (minimal risk)
APN014-284-020

Property Details

APN / Parcel Number

Primary APN014-284-020

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,550 sqft Living Area
1st Floor Area830 sqft
2nd Floor Area360 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Lot Area2,827 sqft (0.065 acres)
Lot Dimensions110 ft deep x 25 ft wide
Garage Area250 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address185 DIAMOND ST
CitySAN BRUNO
StateCA
Zip94066-1509
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20000
Legal DescriptionLOT 46 BLOCK 10 MAP OF BLOCKS 10 TO 19 SAN BRUNO PARK 5TH ADD RSM A/67
Legal SubdivisionSAN BRUNO PARK 5TH ADD
Legal Block10,10
Legal Lot Number46
JurisdictionSAN MATEO CA
Township / Civil DivisionSOUTH SAN FRANCISCO
Census Block Group2
Census Block2011
Census Tract604200

Owner

Source: San Mateo County records · APN 014-284-020

Assessment roll updated July 15, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on File
Mailing Address185 DIAMOND ST, SAN BRUNO, CA 94066-1509
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 02, 2009 · Amount on Record
Deed SaleMar 02, 2009 · Amount on Record
Prior SaleDec 18, 2008 · Amount on Record
Deed Document Number200922170
Last Transfer DateJun 12, 2018
Transfer Doc0000050229
Record UpdatedSep 20, 2026

June 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateJun 27, 2018
Property Address185 DIAMOND ST, SAN BRUNO, CA 94066-1509
Document Number0000050229
Instrument DateJun 12, 2018
Instrument50229
Transaction TypeTransfer
Record UpdatedJul 17, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address185 DIAMOND ST SAN BRUNO CA 940661509, SAN BRUNO, CA 94066-1509

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Bruno City
Elementary School DistrictSan Bruno Park Elementary School District (KG - 08)
Secondary School DistrictSan Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$584,498 (+2%) Land $292,249 Building $292,249
2025$8,226.00 (+36.37%) Homeowner's exemption$573,038 (+4.04%) Land $286,519 Building $286,519
2023$6,032.00 (+1.17%) Homeowner's exemption$550,788 Land $275,394 Building $275,394$723,240
2022$5,962.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 10, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Wildfire

Wildfire RiskNot rated
no burnable land within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Sonic Telecom
Fiber
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
Etheric Communications, LLC.
Fixed Wireless
250 / 100
T-Mobile USA
Fixed Wireless
100 / 20

May also be available: AT&T, California Internet, Radiate Holdings.

Based on FCC filings for 274 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCITY OF SAN BRUNO
serves 42,631 people
Water SourcePurchased surface water from several systems
Last State InspectionJul 2024
LeadUnder 1 ppb (2023–2025)
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

Nearby Properties on Diamond St

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