46 Sierra Ln, Walnut Creek, CA 94596 Property Records

Contra Costa County property record for 46 Sierra Ln, Walnut Creek, CA 94596

Property Summary

Property Type	Townhouse
Details	2 bd · 1.5 ba · 1,131 sqft · built 1972
Lot Size	0.018 acres (792 sqft)
Owner	Individual Name on File
Last Sale	$645,000 (Jan 2026)
Tax Bill	$3,603 (2025)
Deeds & Mortgages	Jan 2026 Sale & Mortgage Jan 2026 Transfer
Flood Zone	Zone AE (high risk)
APN	`179-040-061-6`

Property Details

APN / Parcel Number

Primary APN	`179-040-061-6`
Alternative APN	`179-040-061`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,131 sqft Living Area
1st Floor Area	561 sqft
2nd Floor Area	570 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1973
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	792 sqft (0.018 acres)
Garage Type	Detached
Garage Area	200 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	46 SIERRA LN
City	WALNUT CREEK
State	CA
Zip	94596-4910
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Local Zoning Code	M4
Legal Description	TRACT 4112 LOT 32
Legal Subdivision	WALNUT EAST
Legal Tract	4112
Legal Lot Number	32
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1018
Census Tract	343002

Owner

46 Sierra Ln, a townhouse, is owned and occupied by an individual who bought it in January 2026.

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

Owner of Record	Individual Name on File
Mailing Address	46 SIERRA LN, WALNUT CREEK, CA 94596-4910
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

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

Date	Document
Jan 2, 2026	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Jan 2, 2026	Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 2, 2026 · Amount on File
Deed Sale	Jan 2, 2026 · Amount on File
Deed Document Number	2026147
Prior Transfer Date	Dec 17, 2025
Prior Transfer Doc	0000000148
Record Updated	Sep 20, 2026

January 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 2, 2026
Property Address	46 SIERRA LN, WALNUT CREEK, CA 94596-4910
Document Number	0000000147
Map Reference	MB 144 PG 5
Instrument Date	Dec 29, 2025
Instrument	2026- 000147
Transaction Type	Transfer
Record Updated	Jan 13, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	46 SIERRA LN, WALNUT CREEK, CA 94596-4910

Mortgage

Document Number	0000000149
Date	Jan 2, 2026
Instrument	2026- 000149

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2056

January 2026: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 2, 2026
Property Address	46 SIERRA LN, WALNUT CREEK, CA 94596-4910
Document Number	0000000148
Map Reference	MB 144 PG 5
Instrument Date	Dec 17, 2025
Instrument	2026- 000148
Transaction Type	Transfer
Record Updated	Jan 13, 2026
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	610 GOLDEN GATE AVE, RICHMOND, CA 94801-3712

Tax Assessment & Valuation

The 2025 property tax bill for 46 Sierra Ln was $3,603.

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		$224,861 (+2%) Land $99,030 Building $125,831
2025	$3,603.00	$220,453 Land $97,089 Building $123,364
2023	$3,459.00 (+1.8%)	$211,895 Land $93,320 Building $118,575
2022	$3,398.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 46 Sierra Ln in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

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

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 45 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	45 in force
Nearby Flood Claims	25 (1982–2023)
Claims Outside the SFHA	1 of 25
Most Recent Claim	Feb 2023 · Severe Winter Storms And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Dec 2022 · 2 claims Severe Winter Storms, Flooding, And Mudslides, Jan 2017 · 2 claims Severe Winter Storm, Mud & Land Slides, & Flooding, Feb 1993 · 8 claims

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

Wildfire risk around 46 Sierra Ln is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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 433 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 / 2,000
Astound Broadband Cable · Fiber in parts of the area	1,500 / 50
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Etheric Networks, Verizon.

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