4180 Opal St, Oakland, CA 94609 Property Records

Alameda County property record for 4180 Opal St, Oakland, CA 94609

Property Summary

Property TypeMulti-Family Dwellings
Details17 bd · 17 ba · 8,272 sqft · built 1928
Lot Size0.129 acres (5,600 sqft)
OwnerCompany Name on File
Last Sale$9,750,000 (Nov 1998)
Tax Bill$29,085 (2025)
Flood ZoneZone X (minimal risk)
APN12-1004-37

Property Details

APN / Parcel Number

Primary APN12-1004-37
Alternative APN
  • 012-1004-037-00

Interior

Bedrooms17 Beds
Full Baths17 Baths
Total Rooms51 Rooms
Units17 Units
Stories3 Stories
Building Area8,272 sqft Living Area

Exterior

Year BuiltBuilt 1928
Effective Year BuiltEffective 1928
Construction TypeWood
Lot Area5,600 sqft (0.129 acres)
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4180 OPAL ST
CityOAKLAND
StateCA
Zip94609-2669
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOT: 00037 BLK: AR: 0012 PAGE: 1004
Legal SubdivisionALTON PARK
Legal BlockC
Legal Lot Number26-28
JurisdictionALAMEDA CA
Township / Civil DivisionOAKLAND
Census Block Group2
Census Block2003
Census Tract401200

Owner

4180 Opal St, a residential property, is owned by a company that bought it in November 1998.

Source: Alameda County records, as of September 1, 2026

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

Owner of RecordCompany Name on File
Mailing AddressPO BOX 316, MORAGA, CA 94556-0316
Owner TypeCompany
VestingPartnership

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 17, 1998 · Amount on File
Deed SaleNov 17, 1998 · Amount on File
Deed Document Number1998402605
Prior Transfer DateApr 5, 1996
Prior Transfer Doc0000108887
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 4180 Opal St was $29,085.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityOakland City
Unified School DistrictOakland Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,143,263 (+2%) Land $343,778 Building $799,485
2025$29,085.00$1,120,848 Land $337,038 Building $783,810
2023$27,990.00$1,077,333 Land $323,953 Building $753,380

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 4180 Opal St in Zone X, an area of minimal flood risk.

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
Flood Insurance RequirementNot required
lenders may require it
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 4180 Opal 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 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 857 locations within half a mile, as of December 31, 2025

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

May also be available: Astound Broadband, GeoLinks, Google Fiber, T-Mobile.

Nearby Properties on Opal St

Nearby Streets

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