6231 Byron Ln, San Ramon, CA 94582 Property Records

Contra Costa County property record for 6231 Byron Ln, San Ramon, CA 94582

Property Summary

Property Type	Condominium
Details	4 bd · 3 ba · 2,479 sqft · built 2007
Lot Size	0.027 acres (1,170 sqft)
Owner	2 Individual Names on Record
Last Sale	$646,500 (Jun 2007)
Tax Bill	$13,981 (2025)
Deeds & Mortgages	May 2021 Mortgage Dec 2018 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`223-620-048-7`

Property Details

APN / Parcel Number

Primary APN	`223-620-048-7`
Alternative APN	`223-620-048`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,479 sqft Living Area
1st Floor Area	1,172 sqft
2nd Floor Area	1,101 sqft
Basement Area	206 sqft

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2007
Architectural Style	Condo/Apartment
Lot Area	1,170 sqft (0.027 acres)
Garage Type	Attached
Garage Area	521 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	6231 BYRON LN
City	SAN RAMON
State	CA
Zip	94582-3047
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	T8779 L9 B25 U101
Legal Subdivision	SUBDIVISION 8779 CELAMONTE UN
Legal Tract	8779
Legal Block	25
Legal Lot Number	9
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1000
Census Tract	355123

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	6231 BYRON LN, SAN RAMON, CA 94582-3047
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
May 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMRES CORPORATION
Dec 17, 2018	Deed of Trust, Mortgage · ARM MUFG UNION BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 13, 2007 · Amount on Record
Deed Sale	Jun 13, 2007 · Amount on Record
Deed Document Number	2007171672
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	6231 BYRON LN, SAN RAMON, CA 94582-3047
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	14271 COLT CHASE RD, FRISCO, TX 75035-8085

Mortgage

Document Number	0000155738
Date	May 26, 2021
Instrument	2021-155738

Lender

Name	AMRES CORPORATION
Type	Mortgage Company
Address	FEASTERVILLE TREVOSE, PA 19053

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	359 Months
Due	Apr 1, 2051

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	6231 BYRON LN, SAN RAMON, CA 94582-3047
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000201589
Date	Dec 17, 2018
Instrument	2018-201589

Lender

Name	MUFG UNION BANK NA
Type	Bank
Address	SAN DIEGO, CA 92121

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	4.37%
Type Change Date	Jan 1, 2026
Change Frequency	Annually
Min Rate At Change	2.37%
Max Rate At Change	6.37%
Index	1-Year LIBOR
Max Rate	10.3%

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	San Ramon City
Unified School District	San Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$902,200 (+2%) Land $385,366 Building $516,834
2025	$13,981.00 (+0.71%) Homeowner's exemption	$884,510 (+4.04%) Land $377,810 Building $506,700
2023	$13,882.00 (+1.71%) Homeowner's exemption	$850,165 Land $363,140 Building $487,025
2022	$13,649.00

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	0.03% 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	DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009
Water Source	Purchased surface water from ZONE 7 WATER AGENCY
Last State Inspection	Sep 2024
Lead	Under 1 ppb (2023–2025) 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 638 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	2,000 / 250
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100

May also be available: T-Mobile, Verizon.

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