840 Elm St, San Carlos, CA 94070 Property Records

San Mateo County property record for 840 Elm St, San Carlos, CA 94070

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,350 sqft · built 1950
Lot Size0.144 acres (6,279 sqft)
Owner2 Trust Names on File
Last Sale$430,000 (May 1999)
Tax Bill$10,514 (2025)
Deeds & MortgagesOct 2017 Transfer
Oct 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN050-162-040

Property Details

APN / Parcel Number

Primary APN050-162-040

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,350 sqft Living Area
1st Floor Area960 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleRanch
Exterior MaterialWood
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area6,279 sqft (0.144 acres)
Garage Area400 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address840 ELM ST
CitySAN CARLOS
StateCA
Zip94070-3063
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 11 BLOCK 2 HOWARD PARK
Legal SubdivisionHOWARD PARK
Legal Block2
Legal Lot Number11
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2014
Census Tract609201

Owner

840 Elm St is owner-occupied and held in a trust since October 2017.

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

Owner of Record2 Trust Names on File
Mailing Address840 ELM ST, SAN CARLOS, CA 94070-3063
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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

DateDocument
Oct 31, 2017Quit Claim Deed, Transfer
CHICAGO TITLE COMPANY
Oct 26, 2017Quit Claim Deed, Transfer · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 11, 1999 · Amount on File
Deed SaleMay 11, 1999 · Amount on File
Prior SaleAug 17, 1995 · Amount on File
Deed Document Number199982374
Last Transfer DateOct 13, 2017
Transfer Doc0000096411
Record UpdatedOct 29, 2026

October 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateOct 31, 2017
Property Address840 ELM ST, SAN CARLOS, CA 94070-3063
Document Number0000096411
Instrument DateOct 13, 2017
Instrument96411
Transaction TypeTransfer
Record UpdatedJan 3, 2018
Title CompanyCHICAGO TITLE COMPANY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address840 ELM ST SAN CARLOS CA 940703063, SAN CARLOS, CA 94070-3063

October 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateOct 26, 2017
Property Address840 ELM ST, SAN CARLOS, CA 94070-3063
Document Number0000094839
Instrument DateOct 13, 2017
Instrument94839
Transaction TypeTransfer
Record UpdatedNov 27, 2017
Title CompanyCHICAGO TITLE COMPANY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address840 ELM ST SAN CARLOS CA 940703063, SAN CARLOS, CA 94070-3063

Mortgage

Document Number94840
DateOct 26, 2017
Instrument94840
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term180 Months
DueOct 25, 2032

Tax Assessment & Valuation

The 2025 property tax bill for 840 Elm St was $10,514 with a homeowner's exemption.

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Carlos City
Elementary School DistrictSan Carlos Elementary School District (KG - 08)
Secondary School DistrictSequoia Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$796,587 (+2%) Land $343,787 Building $452,800
2025$10,514.00 Homeowner's exemption$780,970 Land $337,047 Building $443,923
2023$10,024.00 (+2.18%) Homeowner's exemption$750,647 Land $323,960 Building $426,687$1,689,840
2022$9,810.00

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

Flood

FEMA maps place 840 Elm St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 9 (5% premium discount)
Nearby Flood Policies5 in force
Nearby Flood Claims5 (1983–2023)
Claims Outside the SFHA4 of 5
Most Recent ClaimJan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 3 claims

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

The area around 840 Elm St 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 RiskNot 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 SystemCALIFORNIA WATER SERVICE - SAN CARLOS
private · serves 34,801 people · EPA ID CA4110007
Water SourcePurchased surface water from several systems
Last State InspectionSep 2024
Lead6 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 738 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Sonic Telecom
Fiber
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks.

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