717 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 717 27th Ave, San Mateo, CA 94403

Property Summary

Property Type	Single Family Home
Details	5 bd · 2 ba · 1,930 sqft · built 1945
Lot Size	0.17 acres (7,386 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,331,000 (Nov 2020)
Tax Bill	$27,033 (2025)
Deeds & Mortgages	Nov 2020 Sale Apr 2019 Transfer
Flood Zone	Zone X (minimal risk)
APN	`039-254-070`

Property Details

APN / Parcel Number

Primary APN	`039-254-070`

Interior

Bedrooms	5 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,930 sqft Living Area
1st Floor Area	1,290 sqft
2nd Floor Area	640 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Architectural Style	Tudor
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	7,386 sqft (0.17 acres)
Lot Dimensions	147 ft deep x 50 ft wide
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	717 27TH AVE
City	SAN MATEO
State	CA
Zip	94403-2604
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10006
Legal Description	LOT 9 BLOCK 3 MASON TRACT NO 2 RSM 23/58 CITY OF SAN MATEO
Legal Subdivision	MASON TRACT NO 2
Legal Tract	2
Legal Block	3
Legal Lot Number	9
Jurisdiction	SAN MATEO CA
Township / Civil Division	SAN MATEO
Census Block Group	2
Census Block	2020
Census Tract	606700

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	717 27TH AVE, SAN MATEO, CA 94403-2604
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Nov 17, 2020	Grant Deed, Transfer OLD REPUBLIC TITLE
Apr 1, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 17, 2020 · Amount on Record
Deed Sale	Nov 17, 2020 · Amount on Record
Deed Document Number	2020129232
Prior Transfer Date	Aug 10, 1994
Prior Transfer Doc	0000135158
Record Updated	Oct 29, 2026

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Nov 17, 2020
Property Address	717 27TH AVE, SAN MATEO, CA 94403-2604
Document Number	0000129232
Instrument Date	Nov 9, 2020
Instrument	129232
Transaction Type	Transfer
Record Updated	Dec 21, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Tax	$2,564.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	717 27TH AVE SAN MATEO CA 944032604, SAN MATEO, CA 94403-2604

April 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 1, 2019
Property Address	717 27TH AVE, SAN MATEO, CA 94403-2604
Document Number	0000022933
Instrument Date	Mar 22, 2019
Instrument	22933
Transaction Type	Transfer
Record Updated	Apr 19, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	717 27TH AVE SAN MATEO CA 944032604, SAN MATEO, CA 94403-2604

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		$2,430,000 (-3.68%) Land $1,511,500 Building $918,500
2025	$27,033.00 (-4.63%) Homeowner's exemption	$2,522,840 (+4.04%) Land $1,569,526 Building $953,314
2023	$28,346.00 (-0.97%) Homeowner's exemption	$2,424,877 Land $1,508,580 Building $916,297	$2,295,180
2022	$28,624.00

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 · 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	1 (1979)
Most Recent Claim	Apr 1979 · rainfall accumulation

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 732 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 · Fiber in parts of the area	1,500 / 50

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

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