273 Amherst Ave, Kensington (Berkeley), CA 94708 Property Records

Contra Costa County property record for 273 Amherst Ave, Kensington, CA 94708

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 3,296 sqft · built 1941
Lot Size	0.306 acres (13,321 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,815,000 (Jun 2020)
Tax Bill	$27,775 (2025)
Deeds & Mortgages	Jun 2020 Sale & Mortgage Jun 2020 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`570-100-022-5`

Property Details

APN / Parcel Number

Primary APN	`570-100-022-5`
Alternative APN	`570-100-022`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,296 sqft Living Area
1st Floor Area	1,816 sqft
2nd Floor Area	1,110 sqft
Basement Area	370 sqft

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1980
Lot Area	13,321 sqft (0.306 acres)
Garage Type	Attached
Garage Area	854 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	273 AMHERST AVE
City	KENSINGTON
State	CA
Zip	94708-1003
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	PCL MAP 60 PG 41 PCL A
Legal Tract	60PM41
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3005
Census Tract	392000

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	273 AMHERST AVE, KENSINGTON, CA 94708-1003
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jun 1, 2020	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA
Jun 1, 2020	Quit Claim Deed, Transfer NORTH AMERICAN TITLE
Aug 21, 2018	Quit Claim Deed, Transfer Quitclaim
Jul 10, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 1, 2020 · Amount on Record
Deed Sale	Jun 1, 2020 · Amount on Record
Prior Sale	Sep 4, 2015 · Amount on Record
Deed Document Number	2020103751
Prior Transfer Date	Jan 24, 2020
Prior Transfer Doc	0000103749
Record Updated	Oct 29, 2026

June 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 1, 2020
Property Address	273 AMHERST AVE, KENSINGTON, CA 94708-1003
Document Number	0000103751
Map Reference	MB 60 PG 41
Instrument Date	May 28, 2020
Instrument	2020-103751
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount Recorded
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	Community Property with Right of Survivorship
Address	273 AMHERST AVE, KENSINGTON, CA 94708-1003

Mortgage

Document Number	0000103752
Date	Jun 1, 2020
Instrument	2020-103752

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2050

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 1, 2020
Property Address	273 AMHERST AVE, KENSINGTON, CA 94708-1003
Document Number	0000103749
Instrument Date	Jan 24, 2020
Instrument	103749
Transaction Type	Transfer
Record Updated	Jun 9, 2020
Title Company	NORTH AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	273 AMHERST AVE KENSINGTON CA 947081003, KENSINGTON, CA 94708-1003

August 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 21, 2018
Property Address	273 AMHERST AVE, KENSINGTON, CA 94708-1003
Document Number	0000133215
Instrument Date	Aug 15, 2018
Instrument	133215
Transaction Type	Transfer
Record Updated	Sep 11, 2018

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	273 AMHERST AVE KENSINGTON CA 947081003, KENSINGTON, CA 94708-1003

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 10, 2018
Property Address	273 AMHERST AVE, KENSINGTON, CA 94708-1003
Document Number	0000109269
Instrument Date	Jul 2, 2018
Instrument	109269
Transaction Type	Transfer
Record Updated	Jul 25, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	273 AMHERST AVE KENSINGTON CA 947081003, KENSINGTON, CA 94708-1003

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,024,661 (+2%) Land $1,171,292 Building $853,369
2025	$27,775.00 (+4.43%)	$1,984,963 (+4.04%) Land $1,148,326 Building $836,637
2023	$26,596.00 (+1.32%)	$1,907,886 Land $1,103,736 Building $804,150
2022	$26,250.00

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 6 (20% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (1983)
Most Recent Claim	Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes

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 67% of the US · lower than 81% 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 979 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	1,200 / 35
Sonic Telecom Fiber	1,000 / 1,000
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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