4243 Guilford Ave, Livermore, CA 94550 Property Records

Alameda County property record for 4243 Guilford Ave, Livermore, CA 94550

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,768 sqft · built 1971
Lot Size	0.224 acres (9,749 sqft)
Owner	Individual Name on File
Last Sale	$740,000 (May 2016)
Tax Bill	$12,586 (2025)
Deeds & Mortgages	Mar 2022 Transfer Mar 2022 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`99-1102-34`

Property Details

APN / Parcel Number

Primary APN	`99-1102-34`
Alternative APN	`099-1102-034-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,768 sqft Living Area

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	9,749 sqft (0.224 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4243 GUILFORD AVE
City	LIVERMORE
State	CA
Zip	94550-5011
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00032 BLK: TR: 3128
Legal Tract	3128
Legal Lot Number	32
Jurisdiction	ALAMEDA CA
Township / Civil Division	LIVERMORE-PLEASANTON
Census Block Group	3
Census Block	3021
Census Tract	451501

Owner

4243 Guilford Ave is owned and occupied by an individual who acquired it in March 2022.

Source: Alameda County records, as of August 5, 2026

Owner of Record	Individual Name on File
Mailing Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011
Occupancy	Owner Occupied
Owner Type	Individual

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
Mar 24, 2022	Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Mar 24, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage WELLS FARGO BANK NA
May 21, 2021	Grant Deed, Transfer
Jan 25, 2017	Intrafamily Transfer, Transfer FIDELITY NATL TITLE GROUP

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 16, 2016 · Amount on File
Deed Sale	May 16, 2016 · Amount on File
Prior Sale	Feb 24, 1994 · Amount on File
Deed Document Number	2016122818
Last Transfer Date	Mar 9, 2022
Transfer Doc	0000061189
Record Updated	Sep 20, 2026

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Mar 24, 2022
Property Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011
Document Number	0000061188
Map Reference	MB 63 PG 42
Instrument Date	Mar 9, 2022
Instrument	2022061188
Transaction Type	Transfer
Record Updated	Apr 12, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE 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
Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Mar 24, 2022
Property Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011
Document Number	0000061189
Map Reference	MB 63 PG 42
Instrument Date	Mar 9, 2022
Instrument	2022061189
Transaction Type	Transfer
Record Updated	Apr 12, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE 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
Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011

Mortgage

Document Number	0000061190
Date	Mar 24, 2022
Instrument	2022061190

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Apr 1, 2037

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 21, 2021
Property Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011
Document Number	0000192242
Map Reference	MB 63 PG 42
Instrument Date	May 20, 2021
Instrument	2021192242
Transaction Type	Transfer
Record Updated	Jun 10, 2021

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011

January 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jan 25, 2017
Property Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011
Document Number	0000019471
Map Reference	MB63 PG42
Instrument Date	Sep 27, 2016
Instrument	2017019471
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIDELITY NATL TITLE GROUP

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
Address	4243 GUILFORD AVE, LIVERMORE, CA 94550-5011

Tax Assessment & Valuation

The 2025 property tax bill for 4243 Guilford Ave was $12,586.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Livermore City
Unified School District	Livermore Valley Joint Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,026,383 (+2%) Land $330,856 Building $695,527
2025	$12,586.00	$1,006,265 Land $324,371 Building $681,894
2023	$12,173.00	$967,199 Land $311,778 Building $655,421	$999,360

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 4243 Guilford Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 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 7 (15% 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

The area around 4243 Guilford Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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	CALIFORNIA WATER SERVICE - LIVERMORE private · serves 60,414 people · EPA ID CA0110003
Water Source	Purchased surface water from ZONE 7 WATER AGENCY
Last State Inspection	Dec 2024
Also Mapped Here	CITY OF LIVERMORE
Lead	8 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 414 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
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile.

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