521 Flagg Ave, San Jose, CA 95128 Property Records

Santa Clara County property record for 521 Flagg Ave, San Jose, CA 95128

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 952 sqft · built 1944
Lot Size	0.145 acres (6,300 sqft)
Owner	2 Individual Names on File
Tax Bill	$7,176 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Apr 2018 Transfer + 1 more
Flood Zone	Zone D (undetermined)
APN	`277-30-035`

Property Details

APN / Parcel Number

Primary APN	`277-30-035`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	952 sqft Living Area
1st Floor Area	952 sqft
Utility Room	Utility Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1944
Effective Year Built	Effective 1944
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	6,300 sqft (0.145 acres)
Lot Dimensions	105 ft deep x 60 ft wide
Garage Area	360 sqft
Parking Spaces	1 Parking Space
Porch	Porch

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	521 FLAGG AVE
City	SAN JOSE
State	CA
Zip	95128-2111
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 177 BRADLEY MANOR BOOK 5 PAGE 44 PAGE 55 LOT 120
Legal Subdivision	BRADLEY MANOR
Legal Tract	177
Legal Lot Number	120
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3018
Census Tract	502001

Owner

521 Flagg Ave is owned and occupied by two individuals who acquired it in April 2018.

Source: Santa Clara County records, as of July 27, 2026

Owner of Record	2 Individual Names on File
Mailing Address	521 FLAGG AVE, SAN JOSE, CA 95128-2111
Occupancy	Owner Occupied
Owner Type	Individual

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
Feb 9, 2021	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Apr 11, 2018	Quit Claim Deed, Transfer Quitclaim
Apr 11, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Apr 9, 2018
Transfer Doc	0023907038
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	521 FLAGG AVE, SAN JOSE, CA 95128-2111
Transaction Type	Mortgage
Record Updated	Feb 18, 2021
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	521 FLAGG AVE, SAN JOSE, CA 95128-2111

Mortgage

Document Number	0024822365
Date	Feb 9, 2021
Instrument	24822365

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Mar 1, 2036

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Apr 11, 2018
Property Address	521 FLAGG AVE, SAN JOSE, CA 95128-2111
Document Number	0023907038
Instrument Date	Apr 9, 2018
Instrument	23907038
Transaction Type	Transfer
Record Updated	Apr 17, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	521 FLAGG AVE SAN JOSE CA 951282111, SAN JOSE, CA 95128-2111

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Apr 11, 2018
Property Address	521 FLAGG AVE, SAN JOSE, CA 95128-2111
Document Number	0023907039
Instrument Date	Mar 6, 2018
Instrument	23907039
Transaction Type	Transfer
Record Updated	Apr 17, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	521 FLAGG AVE SAN JOSE CA 951282111, SAN JOSE, CA 95128-2111

Tax Assessment & Valuation

The 2025 property tax bill for 521 Flagg Ave was $7,176.

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Elementary School District	Campbell Union Elementary School District (KG - 08)
Secondary School District	Campbell Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$524,527 (+2%) Land $395,397 Building $129,130
2025	$7,176.00	$514,244 Land $387,645 Building $126,599
2023	$6,880.00 (+0.22%)	$494,278 Land $372,594 Building $121,684
2022	$6,865.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 521 Flagg Ave in Zone D, where flood risk has not been studied.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 521 Flagg 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	SAN JOSE WATER private · serves 1,039,920 people · EPA ID CA4310011
Water Source	Surface water
Last State Inspection	Mar 2026
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Treatment failure resolved · Jun 2023
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 737 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
Verizon Fixed Wireless	1,000 / 75
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sail Internet.

Nearby Properties on Flagg Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures