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321 Sleeper Ave, Mountain View, CA 94040 Property Records

Santa Clara County property record for 321 Sleeper Ave, Mountain View, CA 94040 · Last verified February 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms2 Baths
Year BuiltBuilt 1957
Square Footage1,558 sqft Living Area
Lot Size6,984 sqft (0.16 acres)
OccupancyOwner Occupied
Last Sale$1,214,000 (2012)
Tax Bill$18,054.00 (2025)

Property Details

APN / Parcel Number

Primary APN197-36-045

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Building Area1,558 sqft Living Area
1st Floor1,558 sqft 1st Floor
Family RoomFamily Room
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1957
Architectural StyleOther Style
Construction TypeWood Construction
Lot Area6,984 sqft (0.16 acres)
Depth X Width97 ft x 72 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage Area528 sqft Garage

Utilities and HVAC

Heating SystemHVAC Heating

Location & Zoning

Street Address321 SLEEPER AVE
CityMOUNTAIN VIEW
StateCA
Zip94040-3820
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionTR 1774 LOT 18
Legal Subdivision1774
Legal Tract1774
Legal Lot Number18
JurisdictionSANTA CLARA CA
Minor Civil DivisionSAN JOSE
Census Blockgroup2
Census Block2001
Census Tract509902

Owner

Source: Santa Clara County records · APN 197-36-045

Assessment roll updated July 1, 2025 · Last verified February 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Jan 23, 2026Intrafamily Transfer, Transfer · Line of Credit
STAR ONE CU
Jan 23, 2026Intrafamily Transfer, Transfer
Sep 22, 2020Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 20, 2012 · Amount on Record
Deed SaleJun 20, 2012 · Amount on Record
Prior SaleJan 23, 2026
Deed Doc Number0021714948
Record RefreshedJun 08, 2026

January 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSANTA CLARA CA
Recording DateJan 23, 2026
Property Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820
Document Number0025934466
Map ReferenceMB 71 PG 50
Instrument DateJan 16, 2026
Instrument25934466
Transaction TypeTransfer
Record UpdatedFeb 02, 2026

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820

Mortgage

Document Number0025934467
DateJan 23, 2026
Instrument25934467
Lender
NameSTAR ONE CU
TypeCredit Union
Agreement
TypeLine of Credit
AmountAmount Recorded
Term301 Months
DueFeb 23, 2051
Interest
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

January 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSANTA CLARA CA
Recording DateJan 23, 2026
Property Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820
Document Number0025934465
Map ReferenceMB 71 PG 50
Instrument DateJan 15, 2026
Instrument25934465
Transaction TypeTransfer
Record UpdatedFeb 02, 2026

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820

September 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSANTA CLARA CA
Property Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820
Transaction TypeMortgage
Record UpdatedFeb 05, 2021
Title CompanyWFG NATIONAL TITLE INS CO

Transferred To (Grantee/Buyer)

NameVerified Name
Address321 SLEEPER AVE, MOUNTAIN VIEW, CA 94040-3820

Mortgage

Document Number0024625035
DateSep 22, 2020
Instrument24625035
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 01, 2050

Tax Assessment & Valuation

Source: Santa Clara County records · Assessment roll updated July 1, 2025 · Last verified February 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySanta Clara County
MunicipalityMountain View City
Elementary School DistrictMountain View Whisman Elementary School District (KG - 08)
Secondary School DistrictMountain View-Los Altos Union School District (09 - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$18,054.00 (+3.48%)$1,524,840 (+4.04%) Land $1,219,877 Building $304,963
2023$17,447.00 (+0.27%)$1,465,630 Land $1,172,508 Building $293,122
2022$17,400.00

Flood & Wildfire

321 Sleeper Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (Not exposed risk).

Flood

Source: FEMA National Flood Hazard Layer · Santa Clara County (06085C), updated January 18, 2026

FEMA Flood ZoneZone X
reduced risk due to levee; depends on levee performance
Special Flood Hazard AreaNo

Wildfire

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

Wildfire Risk to HomesNot exposed
less than 1% of exposed land nationally · less than 1% in California
Wildfire LikelihoodNot exposed — less than 1 in 10,000 per year
ExposureDirect
burnable vegetation at the parcel

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

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