406 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 406 27th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 2,210 sqft · built 1939
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Individual Names on File
Last Sale	$2,200,000 (Jun 2022)
Tax Bill	$29,084 (2025)
Deeds & Mortgages	Jun 2022 Sale & Mortgage May 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`039-331-120`

Property Details

APN / Parcel Number

Primary APN	`039-331-120`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,210 sqft Living Area
1st Floor Area	1,060 sqft
Family Room	Family Room

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1939
Lot Area	6,000 sqft (0.138 acres)
Lot Dimensions	120 ft deep x 50 ft wide
Garage Area	230 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	406 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 12 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	12
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3010
Census Tract	607400

Owner

406 27th Ave is owned and occupied by two individuals who bought it in June 2022.

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

Owner of Record	2 Individual Names on File
Mailing Address	406 27TH AVE, SAN MATEO, CA 94403-2402
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
Jun 13, 2022	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC
May 18, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage CITIBANK NA
Sep 21, 2018	Affidavit of Death, Transfer CHICAGO TITLE COMPANY
Sep 21, 2018	Grant Deed, Transfer · Conventional Mortgage CITIBANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 13, 2022 · Amount on File
Deed Sale	Jun 13, 2022 · Amount on File
Prior Sale	Sep 21, 2018 · Amount on File
Deed Document Number	202247523
Prior Transfer Date	May 25, 1994
Prior Transfer Doc	0000093548
Record Updated	Oct 29, 2026

June 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Jun 13, 2022
Property Address	406 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000047523
Map Reference	MB 21 PG 76&77
Instrument Date	Jun 3, 2022
Instrument	2022-047523
Transaction Type	Transfer
Record Updated	Jun 30, 2022
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	$13,420.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	406 27TH AVE, SAN MATEO, CA 94403-2402

Mortgage

Document Number	0000047524
Date	Jun 13, 2022
Instrument	2022-047524

Lender

Name	GUARANTEED RATE AFFINITY LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2052

May 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	May 18, 2020
Property Address	406 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000045080
Map Reference	MB 21 PG 76&77
Instrument Date	Mar 23, 2020
Instrument	2020-045080
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	MORTGAGE CONNECT

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	Joint Tenants
Address	406 27TH AVE, SAN MATEO, CA 94403-2402

Mortgage

Document Number	0000045082
Date	May 18, 2020
Instrument	2020-045082

Lender

Name	CITIBANK NA
Type	Bank

Agreement

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

September 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SAN MATEO CA
Recording Date	Sep 21, 2018
Property Address	406 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000074143
Instrument Date	Sep 12, 2018
Instrument	74143
Transaction Type	Transfer
Record Updated	Oct 15, 2018
Title Company	CHICAGO TITLE COMPANY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	707 CURECANTI CIR GRAND JUNCTION CO 815079587, GRAND JUNCTION, CO 81507-9587

September 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Sep 21, 2018
Property Address	406 27TH AVE, SAN MATEO, CA 94403-2402
Document Number	0000074144
Map Reference	MB21 PG76&77
Instrument Date	Sep 12, 2018
Instrument	2018-074144
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	CHICAGO TITLE CO

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 Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	406 27TH AVE, SAN MATEO, CA 94403-2402

Mortgage

Document Number	0000074145
Date	Sep 21, 2018
Instrument	2018-074145

Lender

Name	CITIBANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 406 27th Ave was $29,084 with a homeowner's exemption.

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		$2,381,349 (+2%) Land $1,699,417 Building $681,932
2025	$29,084.00 Homeowner's exemption	$2,334,657 Land $1,666,096 Building $668,561
2023	$27,541.00 (+23.44%) Homeowner's exemption	$2,244,000 Land $1,601,400 Building $642,600	$1,769,130
2022	$22,311.00

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

Flood

FEMA maps place 406 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

The area around 406 27th Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within 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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