157 Marks Rd, Alamo, CA 94507 Property Records

Contra Costa County property record for 157 Marks Rd, Alamo, CA 94507

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 4,452 sqft · built 1997
Lot Size	0.92 acres (40,075 sqft)
Owner	Individual Name on File
Last Sale	$3,650,000 (Jul 2025)
Tax Bill	$40,690 (2025)
Deeds & Mortgages	Apr 2024 Mortgage Mar 2023 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`196-070-018-3`

Property Details

APN / Parcel Number

Primary APN	`196-070-018-3`
Alternative APN	`196-070-018`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	13 Rooms
Stories	2 Stories
Building Area	4,452 sqft Living Area
1st Floor Area	3,665 sqft
2nd Floor Area	787 sqft

Exterior

Year Built	Built 1997
Effective Year Built	Effective 2005
Lot Area	40,075 sqft (0.92 acres)
Garage Type	Attached
Garage Area	786 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	157 MARKS RD
City	ALAMO
State	CA
Zip	94507-2756
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R40
Legal Description	T170PM1 170PM1 PCL A
Legal Subdivision	PM MS12-93
Legal Tract	170PM1
Legal Block	1
Legal Lot Number	6
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1002
Census Tract	346206

Owner

157 Marks Rd is owned and occupied by an individual who bought it in July 2025.

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

Owner of Record	Individual Name on File
Mailing Address	157 MARKS RD, ALAMO, CA 94507-2756
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

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
Apr 29, 2024	Deed of Trust, Mortgage · Conventional Mortgage NEW AMERICAN FUNDING
Mar 24, 2023	Grant Deed, Transfer · Conventional Mortgage CHANGE LENDING LLC
Jun 11, 2021	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 23, 2025 · Amount on File
Deed Sale	Jul 23, 2025 · Amount on File
Prior Sale	Mar 24, 2023 · Amount on File
Deed Document Number	202573970
Prior Transfer Date	Nov 2, 2010
Prior Transfer Doc	0000256585
Record Updated	Oct 29, 2026

April 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	157 MARKS RD, ALAMO, CA 94507-2756
Transaction Type	Mortgage
Record Updated	Jun 8, 2026
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	157 MARKS RD, ALAMO, CA 94507-2756

Mortgage

Document Number	0000039674
Date	Apr 29, 2024
Instrument	2024-039674

Lender

Name	NEW AMERICAN FUNDING
Type	Lending Institution
Address	TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2054

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 24, 2023
Property Address	157 MARKS RD, ALAMO, CA 94507-2756
Document Number	0000027486
Map Reference	MB 170 PG 1
Instrument Date	Mar 14, 2023
Instrument	2023-027486
Transaction Type	Transfer
Record Updated	Apr 3, 2023
Title Company	CHICAGO 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	157 MARKS RD, ALAMO, CA 94507-2756

Mortgage

Document Number	0000027487
Date	Mar 24, 2023
Instrument	2023-027487

Lender

Name	CHANGE LENDING LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2053

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 11, 2021
Property Address	157 MARKS RD, ALAMO, CA 94507-2756
Document Number	0000169856
Map Reference	MB 170 PG 1
Instrument Date	Jun 8, 2021
Instrument	2021-169856
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	CHICAGO 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	Family Trust
Address	157 MARKS RD, ALAMO, CA 94507-2756

Mortgage

Document Number	0000169857
Date	Jun 11, 2021
Instrument	2021-169857

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

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

Tax Assessment & Valuation

The 2025 property tax bill for 157 Marks Rd was $40,690.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,650,000 (+0.67%) Land $1,700,000 Building $1,950,000
2025	$40,690.00 Homeowner's exemption	$3,625,794 Land $1,768,680 Building $1,857,114
2023	$37,867.00 (+0.78%) Homeowner's exemption	$3,355,290 Land $1,274,490 Building $2,080,800
2022	$37,573.00

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

Flood

FEMA maps place 157 Marks Rd in Zone X, an area of minimal flood risk.

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	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

Wildfire risk around 157 Marks Rd is moderate, ranking above 50% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 50% of the US · lower than 70% of California
Wildfire Likelihood	0.1% 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 164 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

May also be available: AT&T, Etheric Networks, T-Mobile, Verizon.

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