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4 Corwin Dr, Alamo, CA 94507 Property Records

Contra Costa County property record for 4 Corwin Dr, Alamo, CA 94507 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,790 sqft · built 1959
Lot Size0.58 acres (25,264 sqft)
Owner2 Company Names on File
Last Sale$2,000,000 (Mar 2021)
Tax Bill$23,782 (2025)
Deeds & MortgagesMar 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN198-131-029-3

Property Details

APN / Parcel Number

Primary APN198-131-029-3
Alternative APN
  • 198-131-029

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,790 sqft Living Area
1st Floor Area1,790 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1959
Effective Year BuiltEffective 1985
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area25,264 sqft (0.58 acres)
Garage TypeDetached
Garage Area581 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4 CORWIN DR
CityALAMO
StateCA
Zip94507-2104
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionHEMME SUBN POR LOT 12 .58 AC
Legal SubdivisionHEMME SUB
Legal Lot Number12
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2003
Census Tract345204

Owner

Source: Contra Costa County records · APN 198-131-029-3

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 Address4 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 SaleMar 26, 2021 · Amount on Record
Deed SaleMar 26, 2021 · Amount on Record
Prior SaleMay 15, 2015 · Amount on Record
Deed Document Number202191191
Prior Transfer DateDec 16, 1999
Prior Transfer Doc0000036054
Record UpdatedSep 20, 2026

March 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 26, 2021
Property Address4 CORWIN DR, ALAMO, CA 94507-2104
Document Number0000091191
Map ReferenceMB C PG 71
Instrument DateMar 22, 2021
Instrument2021-091191
Transaction TypeTransfer
Record UpdatedAug 01, 2023
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address4 CORWIN DR, ALAMO, CA 94507-2104

Mortgage

Document Number0000091192
DateMar 26, 2021
Instrument2021-091192
Lender
NameLENDUS LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2051

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$2,157,000 (+1.75%) Land $1,617,750 Building $539,250
2025$23,782.00 (+11.39%) Homeowner's exemption$2,120,000 (+12.11%) Land $1,590,000 Building $530,000
2023$21,350.00 (-8.7%) Homeowner's exemption$1,891,000 Land $1,418,000 Building $473,000
2022$23,385.00

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 RiskLow
above 37% of the US · above 22% of California
Wildfire LikelihoodAbout 1 in 1,852 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 130 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: Unwired. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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