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509 Iris Ln, San Ramon, CA 94582 Property Records

Contra Costa County property record for 509 Iris Ln, San Ramon, CA 94582

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,312 sqft · built 1992
Lot Size0.184 acres (8,000 sqft)
Owner2 Company Names on Record
Last Sale$780,000 (Aug 2010)
Tax Bill$12,545 (2025)
Deeds & MortgagesOct 2018 Transfer
Flood ZoneZone X (minimal risk)
APN217-401-024-5

Property Details

APN / Parcel Number

Primary APN217-401-024-5
Alternative APN
  • 217-401-024

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area2,312 sqft Living Area
1st Floor Area2,312 sqft

Exterior

Year BuiltBuilt 1992
Effective Year BuiltEffective 1992
Lot Area8,000 sqft (0.184 acres)
Garage TypeAttached
Garage Area583 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address509 IRIS LN
CitySAN RAMON
StateCA
Zip94582-5539
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7015 L62
Legal SubdivisionSUBDIVISION 7015 WEST BRANCH
Legal Tract7015
Legal Lot Number62
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group3
Census Block3004
Census Tract355121

Owner

Source: Contra Costa County records, as of July 14, 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 Record
Mailing Address1565 EMMONS CANYON DR, ALAMO, CA 94507-2855
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 19, 2010 · Amount on Record
Deed SaleAug 19, 2010 · Amount on Record
Deed Document Number2010170153
Last Transfer DateOct 24, 2018
Transfer Doc0000168598
Record UpdatedSep 20, 2026

October 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateOct 25, 2018
Property Address509 IRIS LN, SAN RAMON, CA 94582-5539
Document Number0000168598
Instrument DateOct 24, 2018
Instrument168598
Transaction TypeTransfer
Record UpdatedNov 16, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address1565 EMMONS CANYON DR ALAMO CA 945072855, ALAMO, CA 94507-2855

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalitySan Ramon City
Unified School DistrictSan Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,019,290 (+2%) Land $631,177 Building $388,113
2025$12,545.00 (+4.08%)$999,304 (+4.04%) Land $618,801 Building $380,503
2023$12,053.00 (+0.91%)$960,502 Land $594,773 Building $365,729
2022$11,944.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

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

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

Wildfire

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

Wildfire RiskModerate
above 65% of the US · above 40% of California
Wildfire Likelihood0.3% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 290 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100

May also be available: T-Mobile.

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