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51 Bolla Ave, Alamo, CA 94507 Property Records

Contra Costa County property record for 51 Bolla Ave, Alamo, CA 94507

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,517 sqft · built 1951
Lot Size0.493 acres (21,460 sqft)
Owner2 Individual Names on File
Last Sale$1,800,000 (Jul 2025)
Tax Bill$14,710 (2025)
Deeds & MortgagesFeb 2026 Mortgage
Flood ZoneZone X (moderate risk)
APN192-142-010-3

Property Details

APN / Parcel Number

Primary APN192-142-010-3
Alternative APN
  • 192-142-010

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,517 sqft Living Area
1st Floor Area1,517 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1951
Lot Area21,460 sqft (0.493 acres)
Garage TypeAttached
Garage Area508 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address51 BOLLA AVE
CityALAMO
StateCA
Zip94507-1342
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20
Legal DescriptionBOLLA ACRES #2 LOT 20
Legal SubdivisionBOLLA ACRES 02
Legal Lot Number20
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1007
Census Tract346102

Owner

51 Bolla Ave is owned and occupied by two individuals who acquired it in February 2026.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Individual Names on File
Mailing Address51 BOLLA AVE, ALAMO, CA 94507-1342
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 18, 2025 · Amount on File
Deed SaleJul 18, 2025 · Amount on File
Deed Document Number202572208
Last Transfer DateFeb 12, 2026
Transfer Doc0000016242
Record UpdatedSep 20, 2026

February 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateFeb 18, 2026
Property Address51 BOLLA AVE, ALAMO, CA 94507-1342
Document Number0000016242
Map ReferenceMB 41 PG 18 & 19
Instrument DateFeb 12, 2026
Instrument2026- 016242
Transaction TypeTransfer
Record UpdatedMar 6, 2026
Title CompanyPROROVIDENCE TITLE COMPANY, PROVIDENT TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRight of Survivorship
Address51 BOLLA AVE, ALAMO, CA 94507-1342

Mortgage

Document Number0000016243
DateFeb 18, 2026
Instrument2026- 016243
Lender
NameLOGAN FINANCE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMar 1, 2056

Tax Assessment & Valuation

The 2025 property tax bill for 51 Bolla Ave was $14,710.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Unified School DistrictSan Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,800,000 (+41.18%) Land $1,550,000 Building $250,000
2025$14,710.00$1,275,000 Land $1,020,000 Building $255,000
2023$2,608.00 (+0.81%) Homeowner's exemption$168,575 Land $56,958 Building $111,617
2022$2,587.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 51 Bolla Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 19 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies19 in force
Nearby Flood Claims8 (1987–2012)
Claims Outside the SFHA1 of 8
Most Recent ClaimOct 2012 · tidal / storm surge

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

Wildfire risk around 51 Bolla Ave is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 67% of the US · lower than 81% of California
Wildfire Likelihood0.02% annual chance
ExposureNone
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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 284 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
AT&T
DSL		100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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