128 Ruby Ave, San Carlos, CA 94070 Property Records

San Mateo County property record for 128 Ruby Ave, San Carlos, CA 94070 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.5 Baths
Year Built	Built 1941
Square Footage	1,310 sqft Living Area
Lot Size	4,600 sqft (0.106 acres)
Occupancy	Owner Occupied
Last Sale	$1,800,000 (2021)
Tax Bill	$24,170.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`051-224-370`
Alternative APN	`051224330`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	5 Rooms
Building Area	1,310 sqft Living Area
1st Floor	1,310 sqft 1st Floor
Family Room	Family Room
Stories	1 Stories

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Lot Area	4,600 sqft (0.106 acres)
Depth X Width	115 ft x 40 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Area	360 sqft Garage

Utilities and HVAC

Cooling System	None Cooling

Location & Zoning

Street Address	128 RUBY AVE
City	SAN CARLOS
State	CA
Zip	94070-4521
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	THE NWLY 20 FT OF LOT 28 & SELY 20 FT OF LOT 29 BLK 8 WHITE OAKS TRACT SUB NO 2 RSM 13/4-5 & 5 OF ROW
Legal Subdivision	WHITE OAKS TRACT
Legal Block	8
Legal Lot Number	28,29
Jurisdiction	SAN MATEO CA
Minor Civil Division	SAN MATEO
Census Blockgroup	2
Census Block	2020
Census Tract	609300

Owner

Source: San Mateo County records · APN 051-224-370

Assessment roll updated July 15, 2026 · Last verified July 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 File
Mailing Address	128 RUBY AVE, SAN CARLOS, CA 94070-4521
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 08, 2021 · Amount on Record
Deed Sale	Apr 08, 2021 · Amount on Record
Prior Sale	May 09, 2013 · Amount on Record
Deed Doc Number	202156385
Prior Transfer Date	Jun 30, 2003
Prior Transfer Doc	0000326851
Record Refreshed	Sep 20, 2026

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SAN MATEO CA
Recording Date	Apr 08, 2021
Property Address	128 RUBY AVE, SAN CARLOS, CA 94070-4521
Document Number	0000056385
Map Reference	MB 13 PG 4&5
Instrument Date	Mar 26, 2021
Instrument	2021-056385
Transaction Type	Transfer
Record Updated	May 12, 2021
Title Company	ORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TTL CO OF NOCAL

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$1,980.00
Amount Accuracy	Rounded Values by County
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property (Marital Community) with Rights of Survivorship
Address	128 RUBY AVE, SAN CARLOS, CA 94070-4521

Mortgage

Document Number	0000056386
Date	Apr 08, 2021
Instrument	2021-056386

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 01, 2051

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	California
County	San Mateo County
Municipality	San Carlos City
Elementary School District	San Carlos Elementary School District (KG - 08)
Secondary School District	Sequoia Union High School District (09 - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,044,563 (+2%) Land $1,766,527 Building $278,036
2025	$24,170.00 (+7.6%) Homeowner's exemption	$2,004,475 (+7.04%) Land $1,731,890 Building $272,585
2023	$22,462.00 (+2.15%)	$1,872,720 Land $1,664,640 Building $208,080	$1,967,130
2022	$21,990.00

Flood & Wildfire

128 Ruby Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026

FEMA Flood Zone	Zone X minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard Area	No

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach of burnable land

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