445 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 445 27th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 2,830 sqft · built 1938
Lot Size	0.207 acres (9,024 sqft)
Owner	Company Name on Record
Tax Bill	$12,203 (2025)
Deeds & Mortgages	Jun 2023 Transfer Jul 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`039-324-030`

Property Details

APN / Parcel Number

Primary APN	`039-324-030`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	2,830 sqft Living Area
1st Floor Area	1,230 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1938
Architectural Style	Ranch
Exterior Material	Stucco
Roof Material	Composition Shingle
Lot Area	9,024 sqft (0.207 acres)
Lot Dimensions	88 ft deep x 70 ft wide
View / Lot	Corner
Garage Area	410 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	445 27TH AVE
City	SAN MATEO
State	CA
Zip	94403-2401
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 1 BLOCK 8 & NWLY 35 FT OF LOT 2 BLOCK 8 SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO TERRACE MAP NO 3
Legal Block	8
Legal Lot Number	1,2
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	3
Census Block	3015
Census Tract	607400

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	2151 GREENWAYS DR, WOODSIDE, CA 94062-1139
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Jun 27, 2023	Intrafamily Transfer, Transfer
Jul 10, 2019	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
May 10, 2019	Intrafamily Transfer, Transfer · ARM FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Apr 28, 1997
Transfer Doc	0000053357
Record Updated	Oct 29, 2026

June 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Jun 27, 2023
Property Address	445 27TH AVE, SAN MATEO, CA 94403-2401
Document Number	0000030729
Map Reference	MB 21 PG 76&77
Instrument Date	May 17, 2023
Instrument	2023-030729
Transaction Type	Transfer
Record Updated	Jul 25, 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	2151 GREENWAYS DR, WOODSIDE, CA 94062-1139

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SAN MATEO CA
Property Address	445 27TH AVE, SAN MATEO, CA 94403-2401
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000053596
Date	Jul 10, 2019
Instrument	2019-053596

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	298 Months
Due	May 26, 2044

May 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	May 10, 2019
Property Address	445 27TH AVE, SAN MATEO, CA 94403-2401
Document Number	0000035233
Map Reference	MB 21 PG 76&77
Instrument Date	Apr 29, 2019
Instrument	2019-035233
Transaction Type	Transfer
Record Updated	Aug 9, 2021
Title Company	FIRST AMERICAN 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 Trust
Address	445 27TH AVE, SAN MATEO, CA 94403-2401

Mortgage

Document Number	0000035234
Date	May 10, 2019
Instrument	2019-035234

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	3.25%
Adjustable	Adjustable Rate Rider
Type Change Date	Jun 1, 2026
Change Frequency	Monthly
Index	1-Year CMT
Max Rate	10.9%

Tax Assessment & Valuation

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		$769,382 (+2%) Land $214,360 Building $555,022
2025	$12,203.00 (+21.65%)	$754,297 (+4.04%) Land $210,157 Building $544,140
2023	$10,031.00 (-8.27%) Homeowner's exemption	$725,009 (+2%) Land $201,998 Building $523,011	$2,287,710
2022	$10,935.00 Homeowner's exemption	$710,794 Land $198,038 Building $512,756

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

Flood

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

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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