40 Alwin Rd, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 40 Alwin Rd, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,385 sqft · built 1948
Lot Size	0.992 acres (43,200 sqft)
Owner	Company Name on Record
Tax Bill	$2,488 (2025)
Deeds & Mortgages	May 2017 Transfer May 2017 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`179-100-001-9`

Property Details

APN / Parcel Number

Primary APN	`179-100-001-9`
Alternative APN	`179-100-001`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,385 sqft Living Area
1st Floor Area	1,385 sqft

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1949
Lot Area	43,200 sqft (0.992 acres)
Garage Type	Attached
Garage Area	700 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	40 ALWIN RD
City	WALNUT CREEK
State	CA
Zip	94598-4707
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R120
Legal Description	RO SAN MIGUEL POR LOT 1 BLK 3 WALNUT HTS
Legal Subdivision	WALNUT HEIGHTS
Legal Block	3
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3002
Census Tract	343002

Owner

Source: Contra Costa County records, as of July 14, 2026

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

Owner of Record	Company Name on Record
Mailing Address	40 ALWIN RD, WALNUT CREEK, CA 94598-4707
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 22, 2017	Quit Claim Deed, Transfer Quitclaim
May 22, 2017	Quit Claim Deed, Transfer Quitclaim
May 22, 2017	Affidavit of Death, Transfer
Aug 1, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jun 1, 2023
Transfer Doc	0000067140
Record Updated	Sep 20, 2026

May 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 22, 2017
Property Address	40 ALWIN RD, WALNUT CREEK, CA 94598-4707
Document Number	0000087816
Instrument Date	May 1, 2017
Instrument	87816
Transaction Type	Transfer
Record Updated	Jun 16, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	40 ALWIN RD WALNUT CREEK CA 945984707, WALNUT CREEK, CA 94598-4707

May 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 22, 2017
Property Address	40 ALWIN RD, WALNUT CREEK, CA 94598-4707
Document Number	0000087815
Instrument Date	May 1, 2017
Instrument	87815
Transaction Type	Transfer
Record Updated	Jun 16, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	40 ALWIN RD WALNUT CREEK CA 945984707, WALNUT CREEK, CA 94598-4707

May 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	May 22, 2017
Property Address	40 ALWIN RD, WALNUT CREEK, CA 94598-4707
Document Number	0000087814
Instrument Date	May 1, 2017
Instrument	87814
Transaction Type	Transfer
Record Updated	Jun 16, 2017

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	40 ALWIN RD WALNUT CREEK CA 945984707, WALNUT CREEK, CA 94598-4707

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 1, 2017
Property Address	40 ALWIN RD, WALNUT CREEK, CA 94598-4707
Document Number	0000138038
Instrument Date	May 1, 2017
Instrument	138038
Transaction Type	Transfer
Record Updated	Aug 7, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	40 ALWIN RD WALNUT CREEK CA 945984707, WALNUT CREEK, CA 94598-4707

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Walnut Creek City
Secondary School District	Acalanes Union High School District (09 - 12)
Elementary School District	Walnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$117,476 (+2%) Land $42,479 Building $74,997
2025	$2,488.00 (+4.32%)	$115,174 (+4.04%) Land $41,647 Building $73,527
2023	$2,385.00 (+1.49%)	$110,704 Land $40,031 Building $70,673
2022	$2,350.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	1 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 Risk	Low lower than 63% of the US · lower than 78% of California
Wildfire Likelihood	0.05% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 480 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks.

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