308 Midvale Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 308 Midvale Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,440 sqft · built 1950
Lot Size	0.157 acres (6,831 sqft)
Owner	2 Individual Names on File
Last Sale	$1,970,000 (Oct 2025)
Tax Bill	$16,112 (2025)
Deeds & Mortgages	Oct 2025 Sale & Mortgage Sep 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`042-214-190`

Property Details

APN / Parcel Number

Primary APN	`042-214-190`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,440 sqft Living Area
1st Floor Area	1,080 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Tar & Gravel
Lot Area	6,831 sqft (0.157 acres)
Lot Dimensions	100 ft deep x 69 ft wide
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	308 MIDVALE AVE
City	SAN MATEO
State	CA
Zip	94403-5019
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 29 BLOCK 26 SAN MATEO KNOLLS MAP NO 2 RSM 24/61 62 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO KNOLLS MAP NO 2
Legal Block	26
Legal Lot Number	29
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2009
Census Tract	607100

Owner

308 Midvale Ave is owned and occupied by two individuals who bought it in October 2025.

Source: San Mateo County records, as of July 15, 2026

Owner of Record	2 Individual Names on File
Mailing Address	308 MIDVALE AVE, SAN MATEO, CA 94403-5019
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Oct 20, 2025	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Sep 20, 2019	Intrafamily Transfer, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 20, 2025 · Amount on File
Deed Sale	Oct 20, 2025 · Amount on File
Prior Sale	May 10, 2004 · Amount on File
Deed Document Number	202555561
Prior Transfer Date	Aug 27, 2019
Prior Transfer Doc	0000077083
Record Updated	Oct 29, 2026

October 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Oct 20, 2025
Property Address	308 MIDVALE AVE, SAN MATEO, CA 94403-5019
Document Number	0000055561
Map Reference	MB 24 PG 60-62
Instrument Date	Oct 10, 2025
Instrument	2025-055561
Transaction Type	Transfer
Record Updated	Apr 2, 2026
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	$2,167.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	308 MIDVALE AVE, SAN MATEO, CA 94403-5019

Mortgage

Document Number	0000055562
Date	Oct 20, 2025
Instrument	2025-055562

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2055

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Type Change Date	Nov 1, 2032
Change Frequency	6 Months
Min Rate At Change	3.75%
Max Rate At Change	7.75%
Index	SOFR Average 30-Day
Max Rate	10.7%

September 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Sep 20, 2019
Property Address	308 MIDVALE AVE, SAN MATEO, CA 94403-5019
Document Number	0000077083
Map Reference	MB 24 PG 60-62
Instrument Date	Aug 27, 2019
Instrument	2019-077083
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Living Trust
Address	308 MIDVALE AVE, SAN MATEO, CA 94403-5019

Mortgage

Document Number	0000077084
Date	Sep 20, 2019
Instrument	2019-077084

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 308 Midvale Ave was $16,112, up 1.9% from the year before.

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Mateo City
Elementary School District	San Mateo-Foster City Elementary School District (KG - 08)
Secondary School District	San Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,970,000 (+57.45%) Land $1,330,000 Building $640,000
2025	$16,112.00 (+1.87%) Homeowner's exemption	$1,251,164 Land $625,582 Building $625,582
2024	$15,816.00 (+1.93%)
2023	$15,516.00 (+1.15%) Homeowner's exemption	$1,202,582 Land $601,291 Building $601,291	$1,855,260
2022	$15,339.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 308 Midvale Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 10, 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 308 Midvale Ave 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 99.1% of the US · lower than 99.2% 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	CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
Lead	4 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 785 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
Astound Broadband Cable	1,500 / 50
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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