1. Home
  2. California
  3. Contra Costa County
  4. Alamo
  5. Corwin Dr

30 Corwin Dr, Alamo, CA 94507 Property Records

Contra Costa County property record for 30 Corwin Dr, Alamo, CA 94507 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,635 sqft · built 1959
Lot Size0.5 acres (21,780 sqft)
Owner2 Company Names on File
Tax Bill$6,308 (2025)
Deeds & MortgagesApr 2017 Line of Credit
Flood ZoneZone X (minimal risk)
APN198-140-021-9

Property Details

APN / Parcel Number

Primary APN198-140-021-9
Alternative APN
  • 198-140-021

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms12 Rooms
Stories1 Story
Building Area2,635 sqft Living Area
1st Floor Area2,635 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1965
Architectural StyleRanch
Exterior MaterialWood
Roof MaterialWood Shingle
Lot Area21,780 sqft (0.5 acres)
Garage TypeAttached
Garage Area759 sqft
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address30 CORWIN DR
CityALAMO
StateCA
Zip94507-2104
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHEMME SUBN POR LOT 11 .50 AC
Legal SubdivisionHEMME SUB
Legal Lot Number11
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2003
Census Tract345204

Owner

Source: Contra Costa County records · APN 198-140-021-9

Assessment roll updated July 14, 2026 · Last verified July 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 Address30 CORWIN DR, ALAMO, CA 94507-2104
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateSep 18, 2014
Transfer Doc0000173805
Record UpdatedSep 20, 2026

April 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address30 CORWIN DR, ALAMO, CA 94507-2104
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyAMERICAN TITLE INC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000062951
DateApr 11, 2017
Instrument2017-062951
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount Recorded
Term361 Months
DueMay 01, 2047

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$587,008 (+2%) Land $224,438 Building $362,570
2025$6,308.00 (+3.48%) Homeowner's exemption$575,499 (+4.04%) Land $220,038 Building $355,461
2023$6,096.00 (+0.76%) Homeowner's exemption$553,154 Land $211,495 Building $341,659
2022$6,050.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133452042, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Flood Insurance CostPremium on Record
median of 11 individual NFIP policies nearby
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies11 in force
Nearby Flood Claims5 (1993–2012)
Claims Outside the SFHA3 of 5
Most Recent ClaimDec 2012, rainfall accumulation

Wildfire

Wildfire RiskModerate
above 53% of the US · above 31% of California
Wildfire LikelihoodAbout 1 in 752 per year
ExposureDirect
burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 200 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
AT&TDSL100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Nearby Properties on Corwin Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures