421 Dimm St, Richmond, CA 94805 Property Records

Contra Costa County property record for 421 Dimm St, Richmond, CA 94805

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,475 sqft · built 1946
Lot Size	0.129 acres (5,600 sqft)
Owner	Individual Name on File
Last Sale	$990,000 (Jan 2021)
Tax Bill	$16,784 (2025)
Deeds & Mortgages	Dec 2025 Transfer Jan 2021 Sale & Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`519-271-011-8`

Property Details

APN / Parcel Number

Primary APN	`519-271-011-8`
Alternative APN	`519-271-011`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,475 sqft Living Area
1st Floor Area	1,475 sqft

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1975
Lot Area	5,600 sqft (0.129 acres)
Garage Type	Attached
Garage Area	323 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	421 DIMM ST
City	RICHMOND
State	CA
Zip	94805-2421
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	RICHMOND TRAFFIC CTR LTS 49&50 POR 51 BLK 10
Legal Subdivision	RICHMOND TRAFFIC CENTER
Legal Block	10
Legal Lot Number	49,50
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3011
Census Tract	370000

Owner

Source: Contra Costa County assessment roll, 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	Individual Name on File
Mailing Address	421 DIMM ST, RICHMOND, CA 94805-2421
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Dec 16, 2025	Intrafamily Transfer, Transfer
Jan 6, 2021	Grant Deed, Transfer · Stand-Alone First Mortgage THE UNIVERISTY OF CALIFORNIA
Nov 18, 2020	Affidavit of Death, Transfer ATTORNEY ONLY
Apr 25, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Feb 20, 2018	Affidavit of Death, Transfer ATTORNEY ONLY
Apr 20, 2017	Grant Deed, Transfer SECURED INCOME FUND II LLC

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 6, 2021 · Amount on Record
Deed Sale	Jan 6, 2021 · Amount on Record
Prior Sale	Apr 20, 2017 · Amount on Record
Deed Document Number	20213516
Prior Transfer Date	Apr 20, 2018
Prior Transfer Doc	0000064155
Record Updated	Sep 20, 2026

December 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 16, 2025
Property Address	421 DIMM ST, RICHMOND, CA 94805-2421
Document Number	0000139847
Map Reference	VOL 11 PG 256
Instrument Date	Dec 11, 2025
Instrument	2025- 139847
Transaction Type	Transfer
Record Updated	Dec 25, 2025

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
Address	421 DIMM ST, RICHMOND, CA 94805-2421

January 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 6, 2021
Property Address	421 DIMM ST, RICHMOND, CA 94805-2421
Document Number	0000003516
Map Reference	VOL 11 PG 256
Instrument Date	Dec 30, 2020
Instrument	2021-003516
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	421 DIMM ST, RICHMOND, CA 94805-2421

Mortgage

Document Number	0000003517
Date	Jan 6, 2021
Instrument	2021-003517

Lender

Name	THE UNIVERISTY OF CALIFORNIA
Type	Non-Lending Institution

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

November 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 18, 2020
Property Address	421 DIMM ST, RICHMOND, CA 94805-2421
Document Number	0000279046
Instrument Date	Nov 5, 2020
Instrument	279046
Transaction Type	Transfer
Record Updated	Dec 1, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	919 DIABLO DOWNS DR CLAYTON CA 945171567, CLAYTON, CA 94517-1567

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 25, 2018
Property Address	421 DIMM ST, RICHMOND, CA 94805-2421
Document Number	0000064155
Instrument Date	Apr 20, 2018
Instrument	64155
Transaction Type	Transfer
Record Updated	May 2, 2018
Title Company	ATTORNEY ONLY

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	421 DIMM ST RICHMOND CA 948052421, RICHMOND, CA 94805-2421

February 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 20, 2018
Property Address	421 DIMM ST, RICHMOND, CA 94805-2421
Document Number	0000025418
Instrument Date	Feb 9, 2018
Instrument	25418
Transaction Type	Transfer
Record Updated	Feb 23, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 DIMM ST RICHMOND CA 948052421, RICHMOND, CA 94805-2421

April 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 20, 2017
Property Address	421 DIMM ST, RICHMOND, CA 94805-2421
Document Number	0000068288
Instrument Date	Apr 7, 2017
Instrument	68288
Transaction Type	Transfer
Record Updated	Aug 18, 2018
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$836.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	421 DIMM ST RICHMOND CA 948052421, RICHMOND, CA 94805-2421

Mortgage

Document Number	68289
Date	Apr 20, 2017
Instrument	68289

Lender

Name	SECURED INCOME FUND II LLC
Type	Mortgage Company

Agreement

Amount	Amount Recorded

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	Richmond City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,093,037 (+2%) Land $717,651 Building $375,386
2025	$16,784.00 (+3.94%)	$1,071,606 (+4.04%) Land $703,580 Building $368,026
2023	$16,148.00 (+1.48%)	$1,029,996 Land $676,260 Building $353,736
2022	$15,913.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; 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 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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 637 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: California Internet, Etheric Communications, LLC..

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