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107 Neptune Pl, San Ramon, CA 94583 Property Records

Contra Costa County property record for 107 Neptune Pl, San Ramon, CA 94583

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,165 sqft · built 1963
Lot Size0.124 acres (5,400 sqft)
Owner2 Company Names on Record
Last Sale$860,000 (Sep 2024)
Tax Bill$10,159 (2025)
Deeds & MortgagesNov 2025 Transfer
Feb 2023 Transfer
Flood ZoneZone X (minimal risk)
APN210-241-042-6

Property Details

APN / Parcel Number

Primary APN210-241-042-6
Alternative APN
  • 210-241-042

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,165 sqft Living Area
1st Floor Area1,165 sqft

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 1978
Lot Area5,400 sqft (0.124 acres)
Garage TypeAttached
Garage Area293 sqft
Parking Spaces1 Parking Space

Location & Zoning

Street Address107 NEPTUNE PL
CitySAN RAMON
StateCA
Zip94583-3949
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-6
Legal DescriptionTRACT 3024 LOT 98 EX 1/2 MR
Legal SubdivisionSUBDIVISION 3024
Legal Tract3024
Legal Lot Number98
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4001
Census Tract345103

Owner

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

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

Owner of Record2 Company Names on Record
Mailing Address9541 BROADMOOR DR, SAN RAMON, CA 94583-3819
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Nov 17, 2025Intrafamily Transfer, Transfer
Feb 8, 2023Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 20, 2024 · Amount on Record
Deed SaleSep 20, 2024 · Amount on Record
Prior SaleMar 18, 2003 · Amount on Record
Deed Document Number202492780
Prior Transfer DateFeb 2, 2023
Prior Transfer Doc0000011086
Record UpdatedSep 20, 2026

November 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateNov 17, 2025
Property Address107 NEPTUNE PL, SAN RAMON, CA 94583-3949
Document Number0000128928
Map ReferenceMB 91 PG 12
Instrument DateNov 5, 2025
Instrument2025- 128928
Transaction TypeTransfer
Record UpdatedDec 9, 2025

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address9541 BROADMOOR DR, SAN RAMON, CA 94583-3819

February 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateFeb 8, 2023
Property Address107 NEPTUNE PL, SAN RAMON, CA 94583-3949
Document Number0000011087
Map ReferenceMB 91 PG 12
Instrument DateJan 21, 2023
Instrument2023-011087
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address7 RAMONA RD, DANVILLE, CA 94526-2823

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$877,200 (+2%) Land $632,400 Building $244,800
2025$10,159.00 (+6.82%)$860,000 (+7.5%) Land $620,000 Building $240,000
2023$9,510.00 (+71.63%)$800,000 Land $600,000 Building $200,000
2022$5,541.00

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

Flood

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

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 22 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies22 in force
Nearby Flood Claims4 (2022–2023)
Most Recent ClaimJan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 4 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

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% 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 764 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable · Fiber in parts of the area		2,000 / 2,000
Unwired
Fixed Wireless		300 / 25
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: AT&T, Verizon.

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