815 Winterside Cir, San Ramon, CA 94583 Property Records

Contra Costa County property record for 815 Winterside Cir, San Ramon, CA 94583

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,887 sqft · built 1994
Lot Size	0.076 acres (3,300 sqft)
Owner	2 Individual Names on File
Last Sale	$1,300,000 (May 2021)
Tax Bill	$16,426 (2025)
Deeds & Mortgages	May 2021 Sale & Mortgage Oct 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`213-720-064-4`

Property Details

APN / Parcel Number

Primary APN	`213-720-064-4`
Alternative APN	`213-720-064`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	1,887 sqft Living Area
1st Floor Area	824 sqft
2nd Floor Area	1,063 sqft

Exterior

Year Built	Built 1994
Effective Year Built	Effective 2005
Architectural Style	Cluster
Lot Area	3,300 sqft (0.076 acres)
Garage Type	Attached
Garage Area	434 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	815 WINTERSIDE CIR
City	SAN RAMON
State	CA
Zip	94583-5237
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-10
Legal Description	T6648 L64
Legal Subdivision	NEWCASTLE
Legal Tract	6648
Legal Lot Number	64
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1002
Census Tract	345111

Owner

815 Winterside Cir is owned and occupied by two individuals who bought it in May 2021.

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 File
Mailing Address	815 WINTERSIDE CIR, SAN RAMON, CA 94583-5237
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
May 21, 2021	Grant Deed, Transfer · Conventional Mortgage US BANK NA
Oct 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA
Sep 16, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 21, 2021 · Amount on File
Deed Sale	May 21, 2021 · Amount on File
Prior Sale	Apr 6, 2016 · Amount on File
Deed Document Number	2021151641
Prior Transfer Date	Jun 20, 2019
Prior Transfer Doc	0000152367
Record Updated	Oct 29, 2026

May 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 21, 2021
Property Address	815 WINTERSIDE CIR, SAN RAMON, CA 94583-5237
Document Number	0000151641
Map Reference	MB 312 PG 1
Instrument Date	May 14, 2021
Instrument	2021-151641
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

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	Community Property with Right of Survivorship
Address	815 WINTERSIDE CIR, SAN RAMON, CA 94583-5237

Mortgage

Document Number	0000151642
Date	May 21, 2021
Instrument	2021-151642

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2051

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	815 WINTERSIDE CIR, SAN RAMON, CA 94583-5237
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	AMROCK TITLE CALIFORNIA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	815 WINTERSIDE CIR, SAN RAMON, CA 94583-5237

Mortgage

Document Number	0000243990
Date	Oct 21, 2020
Instrument	2020-243990

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Oct 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Oct 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.75%
Index	1-Year LIBOR
Max Rate	7.75%

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 16, 2019
Property Address	815 WINTERSIDE CIR, SAN RAMON, CA 94583-5237
Document Number	0000152367
Instrument Date	Jun 20, 2019
Instrument	152367
Transaction Type	Transfer
Record Updated	Sep 25, 2019
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	815 WINTERSIDE CIR SAN RAMON CA 945835237, SAN RAMON, CA 94583-5237

Tax Assessment & Valuation

The 2025 property tax bill for 815 Winterside Cir was $16,426.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	San Ramon City
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,435,301 (+2%) Land $822,538 Building $612,763
2025	$16,426.00	$1,407,159 Land $806,410 Building $600,749
2023	$15,833.00 (+0.89%)	$1,352,520 Land $775,098 Building $577,422
2022	$15,693.00

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

Flood

FEMA maps place 815 Winterside Cir in Zone X, an area of minimal flood risk.

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

Wildfire risk around 815 Winterside Cir is low, with less than 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 96% of the US · lower than 97.4% of California
Wildfire Likelihood	Under 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 686 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
AT&T DSL · Fixed Wireless in parts of the area	100 / 20

May also be available: T-Mobile, Verizon.

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