3478 Monroe Ave, Lafayette, CA 94549 Property Records

Contra Costa County property record for 3478 Monroe Ave, Lafayette, CA 94549

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,429 sqft · built 1952
Lot Size	0.124 acres (5,400 sqft)
Owner	Trust Name on File
Last Sale	$1,475,000 (Feb 2017)
Tax Bill	$20,648 (2025)
Deeds & Mortgages	Oct 2020 Mortgage Oct 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`234-021-031-5`

Property Details

APN / Parcel Number

Primary APN	`234-021-031-5`
Alternative APN	`234-021-031`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,429 sqft Living Area
1st Floor Area	1,429 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1990
Architectural Style	Bungalow
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Tar & Gravel
Lot Area	5,400 sqft (0.124 acres)
Garage Type	Detached
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	3478 MONROE AVE
City	LAFAYETTE
State	CA
Zip	94549-4521
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LAFAYETTE HOMESITES POR LT 23 BLK 5
Legal Subdivision	LAFAYETTE HOMESITES 01
Legal Block	5
Legal Lot Number	23
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2003
Census Tract	349000

Owner

3478 Monroe Ave is owner-occupied and held in a trust since October 2020.

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

Owner of Record	Trust Name on File
Mailing Address	3478 MONROE AVE, LAFAYETTE, CA 94549-4521
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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
Oct 28, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage BETTER MORTGAGE CORPORATION
Oct 28, 2020	Quit Claim Deed, Transfer WESTCOR LAND TITLE INSURANCE COMPANY, WESTCOR LAND TITLE INS CO
Feb 24, 2017	Grant Deed, Transfer OPES ADVISORS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 24, 2017 · Amount on File
Deed Sale	Feb 24, 2017 · Amount on File
Prior Sale	Oct 5, 2015 · Amount on File
Deed Document Number	201734693
Last Transfer Date	Oct 16, 2020
Transfer Doc	0000253317
Record Updated	Oct 29, 2026

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 28, 2020
Property Address	3478 MONROE AVE, LAFAYETTE, CA 94549-4521
Document Number	0000253317
Map Reference	MB 12 PG 266
Instrument Date	Oct 16, 2020
Instrument	2020-253317
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	WESTOR LAND TITLE INS CO

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 with Right of Survivorship
Address	3478 MONROE AVE, LAFAYETTE, CA 94549-4521

Mortgage

Document Number	0000253318
Date	Oct 28, 2020
Instrument	2020-253318

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2050

October 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 28, 2020
Property Address	3478 MONROE AVE, LAFAYETTE, CA 94549-4521
Document Number	0000253319
Instrument Date	Oct 16, 2020
Instrument	253319
Transaction Type	Transfer
Record Updated	Nov 9, 2020
Title Company	WESTCOR LAND TITLE INSURANCE COMPANY, WESTCOR LAND TITLE INS CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	3478 MONROE AVE LAFAYETTE CA 945494521, LAFAYETTE, CA 94549-4521

February 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 24, 2017
Property Address	3478 MONROE AVE, LAFAYETTE, CA 94549-4521
Document Number	0000034693
Instrument Date	Feb 17, 2017
Instrument	34693
Transaction Type	Transfer
Record Updated	Mar 8, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,622.50
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	3478 MONROE AVE LAFAYETTE CA 945494521, LAFAYETTE, CA 94549-4521

Mortgage

Document Number	34694
Date	Feb 24, 2017
Instrument	34694

Lender

Name	OPES ADVISORS
Address	19330 STEVENS CREEK BLVD, CUPERTINO, CA 95014-2551

Agreement

Amount	Amount on Record
Term	360 Months
Due	Feb 23, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 3478 Monroe Ave was $20,648 with a homeowner's exemption.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,746,095 (+2%) Land $1,183,795 Building $562,300
2025	$20,648.00 Homeowner's exemption	$1,711,859 Land $1,160,584 Building $551,275
2023	$19,945.00 (+1.55%) Homeowner's exemption	$1,645,387 Land $1,115,518 Building $529,869
2022	$19,640.00

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

Flood

FEMA maps place 3478 Monroe Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	5 (1982–2023)
Claims Outside the SFHA	1 of 5
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 3478 Monroe Ave is low, with a 0.02% 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	0.02% 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 459 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: AT&T, T-Mobile.

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