2421 Prospect St, Berkeley, CA 94704 Property Records

Alameda County property record for 2421 Prospect St, Berkeley, CA 94704

Property Summary

Property TypeFraternity House, Sorority House
Details11 bd · 4.5 ba · 4,907 sqft · built 1911
Lot Size0.158 acres (6,900 sqft)
OwnerCompany Name on File
Tax Bill$17,421 (2025)
Flood ZoneZone X (minimal risk)
APN55-1856-17

Property Details

APN / Parcel Number

Primary APN55-1856-17
Alternative APN
  • 055-1856-017-00

Interior

Bedrooms11 Beds
Full Baths4.5 Baths
Half Baths1 Half Bath
Total Rooms15 Rooms
Stories3 Stories
Building Area4,907 sqft Total Area

Exterior

Year BuiltBuilt 1911
Effective Year BuiltEffective 1911
Architectural StyleL-Shape
Construction TypeWood
Lot Area6,900 sqft (0.158 acres)

Location & Zoning

Street Address2421 PROSPECT ST
CityBERKELEY
StateCA
Zip94704-2551
Property CategoryResidential
Property TypeResidential > Specialized > Fraternity House, Sorority House
Legal DescriptionLOT: 00005 BLK: 000A MP: 0010 PAGE: 0052 ;LOT: 00006 BLK: 000A MP: 0010 PAGE: 0052
JurisdictionALAMEDA CA
Township / Civil DivisionBERKELEY
Census Block Group2
Census Block2006
Census Tract422700

Owner

2421 Prospect St, a residential property, is owned by a company.

Source: Alameda County records, as of August 5, 2026

Owner of RecordCompany Name on File
Mailing Address256 CALLE LA MESA, 100, MORAGA, CA 94556-1646
Owner TypeCompany

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

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 2421 Prospect St was $17,421.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalityBerkeley City
Unified School DistrictBerkeley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$200,814 (+2%) Land $143,296 Building $57,518
2025$17,421.00$196,878 Land $140,487 Building $56,391
2023$14,021.00$189,233 Land $135,032 Building $54,201

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

Flood

FEMA maps place 2421 Prospect St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 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

Wildfire risk around 2421 Prospect St is moderate, ranking above 43% of the US, with a 0.08% annual chance of wildfire.

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

Wildfire RiskModerate
above 43% of the US · lower than 74% of California
Wildfire Likelihood0.08% annual chance
ExposureDirect
burnable vegetation

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 622 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Sonic Telecom
Fiber
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
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

May also be available: GeoLinks, Google Fiber.

Nearby Properties on Prospect St

Nearby Streets

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