430 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 430 27th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,745 sqft · built 1939
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Trust Names on File
Last Sale	$2,375,000 (Nov 2025)
Tax Bill	$9,524 (2025)
Deeds & Mortgages	Nov 2025 Mortgage Nov 2025 Sale & Second Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`039-331-170`

Property Details

APN / Parcel Number

Primary APN	`039-331-170`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,745 sqft Living Area
1st Floor Area	995 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Architectural Style	Ranch
Lot Area	6,000 sqft (0.138 acres)
Lot Dimensions	120 ft deep x 50 ft wide
Garage Area	250 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	430 27TH AVE
City	SAN MATEO
State	CA
Zip	94403-2402
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 17 BLOCK 7 SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 3
Legal Block	7
Legal Lot Number	17
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3010
Census Tract	607400

Owner

430 27th Ave is held in a trust since November 2025.

Source: San Mateo County records, as of August 24, 2026

Owner of Record	2 Trust Names on File
Mailing Address	1057 SHELL BLVD, 2, FOSTER CITY, CA 94404-2959
Owner Type	Company
Vesting	Trust

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
Nov 24, 2025	Intrafamily Transfer, Transfer · Conventional Mortgage SIRVA MORTGAGE INC
Nov 24, 2025	Grant Deed, Transfer · Stand-Alone Second Mortgage SIRVA MORTGAGE INC
Sep 13, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 24, 2025 · Amount on File
Deed Sale	Nov 24, 2025 · Amount on File
Prior Sale	Apr 30, 1996 · Amount on File
Deed Document Number	202564180
Prior Transfer Date	Feb 23, 1995
Prior Transfer Doc	0000046814
Record Updated	Oct 29, 2026

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Nov 24, 2025
Property Address	430 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000064176
Map Reference	MB 21 PG 76&77
Instrument Date	Nov 14, 2025
Instrument	2025-064176
Transaction Type	Transfer
Record Updated	Dec 25, 2025
Title Company	FIDELITY NATIONAL TITLE CO

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
Address	1057 SHELL BLVD, FOSTER CITY, CA 94404-2945

Mortgage

Document Number	0000064181
Date	Nov 24, 2025
Instrument	2025-064181

Lender

Name	SIRVA MORTGAGE INC
Type	Mortgage Company
Address	INDEPENDENCE, OH 44131

Agreement

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

November 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 24, 2025
Property Address	430 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000064180
Map Reference	MB 21 PG 76&77
Instrument Date	Nov 12, 2025
Instrument	2025-064180
Transaction Type	Transfer
Record Updated	Dec 25, 2025
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$14,487.50
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	430 27TH AVE, SAN MATEO, CA 94403-2402

Mortgage

Document Number	0000064182
Date	Nov 24, 2025
Instrument	2025-064182

Lender

Name	SIRVA MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	120 Months
Due	Nov 24, 2035

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Sep 13, 2021
Property Address	430 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000131128
Map Reference	MB 21 PG 76&77
Instrument Date	Aug 26, 2021
Instrument	2021-131128
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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
Address	1950 ELKHORN CT UNIT 110, 110, SAN MATEO, CA 94403-1998

Tax Assessment & Valuation

The 2025 property tax bill for 430 27th Ave was $9,524, down 2.9% 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		$2,375,000 (+267.42%) Land $1,725,000 Building $650,000
2025	$9,524.00 (-2.95%) Homeowner's exemption	$646,408 Land $261,635 Building $384,773
2024	$9,813.00 (+9.94%)
2023	$8,926.00 (+4.08%) Homeowner's exemption	$621,309 Land $251,476 Building $369,833	$1,468,980
2022	$8,576.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 430 27th Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1978.

Source: FEMA National Flood Hazard Layer, effective September 10, 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
Nearby Flood Policies	1 in force
Nearby Flood Claims	4 (1978–1986)
Most Recent Claim	Feb 1986 · Severe Storms & Flooding

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 430 27th 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 799 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

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

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