17657 Via Valencia, San Lorenzo, CA 94580 Property Records

Alameda County property record for 17657 Via Valencia, San Lorenzo, CA 94580

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,354 sqft · built 1951
Lot Size0.137 acres (5,980 sqft)
OwnerCompany Name on Record
Last Sale$287,000 (Jul 2003)
Tax Bill$5,738 (2025)
Flood ZoneZone X (minimal risk)
APN413-76-24

Property Details

APN / Parcel Number

Primary APN413-76-24
Alternative APN
  • 413-0076-024-00

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,354 sqft Living Area

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1951
Architectural StyleL-Shape
Construction TypeWood
Lot Area5,980 sqft (0.137 acres)

Location & Zoning

Street Address17657 VIA VALENCIA
CitySAN LORENZO
StateCA
Zip94580-3337
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00009 BLK: 0015 TR: 1025
Legal SubdivisionSAN LORENZO VILLAGE
Legal Tract1025
Legal Block15
Legal Lot Number9
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group3
Census Block3001
Census Tract435700

Owner

Source: Alameda County records, as of October 21, 2026

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

Owner of RecordCompany Name on Record
Mailing AddressPO BOX 726, MILLBRAE, CA 94030-0726
Owner TypeCompany
VestingPartnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 9, 2003 · Amount on Record
Deed SaleJul 9, 2003 · Amount on Record
Prior SaleApr 26, 2000 · Amount on Record
Deed Document Number2003398387
Last Transfer DateJul 19, 2016
Transfer Doc0000182626
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
Unified School DistrictSan Lorenzo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$416,190 (+2%) Land $124,857 Building $291,333
2025$5,738.00 (+3.86%)$408,030 (+4.04%) Land $122,409 Building $285,621
2023$5,525.00$392,187 Land $117,656 Building $274,531$740,790

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

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AO, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies2 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

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

Wildfire RiskLow
lower than 95% of the US · lower than 97% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 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 691 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
RobinsonHSS
Fixed Wireless
1,000 / 1,000
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks, Tekify Fiber & Wireless.

Nearby Properties on Via Valencia

Nearby Streets

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