27 Simpson Dr, Walnut Creek, CA 94596 Property Records

Contra Costa County property record for 27 Simpson Dr, Walnut Creek, CA 94596

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,420 sqft · built 1961
Lot Size	0.39 acres (17,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$410,000 (Sep 2001)
Tax Bill	$9,156 (2025)
Deeds & Mortgages	May 2020 Line of Credit Nov 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`180-270-015-1`

Property Details

APN / Parcel Number

Primary APN	`180-270-015-1`
Alternative APN	`180-270-015`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,420 sqft Living Area
1st Floor Area	2,420 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1980
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Wood Shingle
Lot Area	17,000 sqft (0.39 acres)
Garage Type	Attached
Garage Area	454 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	27 SIMPSON DR
City	WALNUT CREEK
State	CA
Zip	94596-6717
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R115
Legal Description	TRACT 2781 LOT 3
Legal Subdivision	MAP #2 OF WALNUT HEIGHTS
Legal Tract	2781
Legal Lot Number	3
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3003
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	2 Individual Names on Record
Mailing Address	27 SIMPSON DR, WALNUT CREEK, CA 94596-6717
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 22, 2020	Deed of Trust, Mortgage · Line of Credit CITIBANK NA
Nov 9, 2021	Intrafamily Transfer, Transfer
Nov 9, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 5, 2001 · Amount on Record
Deed Sale	Sep 5, 2001 · Amount on Record
Prior Sale	Sep 23, 1997 · Amount on Record
Deed Document Number	2001265769
Last Transfer Date	Nov 1, 2021
Transfer Doc	0000311084
Record Updated	Sep 20, 2026

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	27 SIMPSON DR, WALNUT CREEK, CA 94596-6717
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000097821
Date	May 22, 2020
Instrument	2020-097821

Lender

Name	CITIBANK NA
Type	Bank
Address	SIOUX FALLS, SD 57108

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 9, 2021
Property Address	27 SIMPSON DR, WALNUT CREEK, CA 94596-6717
Document Number	0000311083
Map Reference	MB 80 PG 43
Instrument Date	Nov 1, 2021
Instrument	2021-311083
Transaction Type	Transfer
Record Updated	Nov 3, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	27 SIMPSON DR, WALNUT CREEK, CA 94596-6717

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 9, 2021
Property Address	27 SIMPSON DR, WALNUT CREEK, CA 94596-6717
Document Number	0000311084
Map Reference	MB 80 PG 43
Instrument Date	Nov 1, 2021
Instrument	2021-311084
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	27 SIMPSON DR, WALNUT CREEK, CA 94596-6717

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		$748,760 (+2%) Land $325,728 Building $423,032
2025	$9,156.00 (+3.94%) Homeowner's exemption	$734,080 (+4.04%) Land $319,342 Building $414,738
2023	$8,809.00 (+8.35%) Homeowner's exemption	$705,577 Land $306,943 Building $398,634
2022	$8,130.00

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	Moderate above 67% of the US · above 41% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Direct 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 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 182 locations within half a mile, as of December 31, 2025

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

May also be available: Etheric Networks.

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