20 Hilltop Rd, San Mateo, CA 94402 Property Records

San Mateo County property record for 20 Hilltop Rd, San Mateo, CA 94402

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,550 sqft · built 1916
Lot Size	0.102 acres (4,451 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,819,000 (Mar 2026)
Tax Bill	$20,827 (2025)
Deeds & Mortgages	Mar 2026 Sale & Mortgage Apr 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`032-072-050`

Property Details

APN / Parcel Number

Primary APN	`032-072-050`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,550 sqft Living Area
1st Floor Area	1,550 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1916
Effective Year Built	Effective 1916
Architectural Style	Cape Cod
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	4,451 sqft (0.102 acres)
Lot Dimensions	100 ft deep x 45 ft wide
View / Lot	Corner
Garage Type	Detached
Garage Area	290 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	20 HILLTOP RD
City	SAN MATEO
State	CA
Zip	94402-1147
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10010
Legal Description	WLY 45 FT X 100 FT OF LOT 5 BLOCK 2 SUB OF LOTS 32 & 35 SAN MATEO PARK RSM 5/31 CITY OF SAN MATEO
Legal Subdivision	SAN MATEO PARK
Legal Block	2
Legal Lot Number	32
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2003
Census Tract	605800

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	2 Individual Names on Record
Mailing Address	20 HILLTOP RD, SAN MATEO, CA 94402-1147
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
Mar 30, 2026	Grant Deed, Transfer · Conventional Mortgage US BANK NA
Apr 7, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 30, 2026 · Amount on Record
Deed Sale	Mar 30, 2026 · Amount on Record
Prior Sale	Nov 13, 2014 · Amount on Record
Deed Document Number	202616205
Prior Transfer Date	Apr 3, 2023
Prior Transfer Doc	0000015594
Record Updated	Sep 20, 2026

March 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Mar 30, 2026
Property Address	20 HILLTOP RD, SAN MATEO, CA 94402-1147
Document Number	0000016205
Map Reference	MB 5 PG 31
Instrument Date	Mar 13, 2026
Instrument	2026-016205
Transaction Type	Transfer
Record Updated	Apr 30, 2026
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$11,095.90
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	20 HILLTOP RD, SAN MATEO, CA 94402-1147

Mortgage

Document Number	0000016206
Date	Mar 30, 2026
Instrument	2026-016206

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.37%
Type Change Date	Apr 1, 2033
Change Frequency	Monthly
Min Rate At Change	2.75%
Max Rate At Change	10.3%
Index	1-Year T-Bill
Max Rate	10.3%

April 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SAN MATEO CA
Recording Date	Apr 7, 2023
Property Address	20 HILLTOP RD, SAN MATEO, CA 94402-1147
Document Number	0000015594
Map Reference	MB 5 PG 31
Instrument Date	Apr 3, 2023
Instrument	2023-015594
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	3125 ALEXIS DR, PALO ALTO, CA 94304-1306

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		$1,505,378 (+2%) Land $752,689 Building $752,689
2025	$20,827.00 (+1%)	$1,475,862 (+4.04%) Land $737,931 Building $737,931
2024	$20,621.00 (+8.69%)
2023	$18,973.00 (-3.31%)	$1,418,554 Land $709,277 Building $709,277	$1,238,040
2022	$19,623.00

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

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

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

Wildfire Risk	Low lower than 97% of the US · lower than 97.8% 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 713 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
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
Sonic Telecom Fiber	1,000 / 1,000
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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