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3124 Roundhill Rd, Alamo, CA 94507 Property Records

Contra Costa County property record for 3124 Roundhill Rd, Alamo, CA 94507

Property Summary

Property TypeSingle Family Home
Details4 bd · 3.5 ba · 3,086 sqft · built 1973
Lot Size0.421 acres (18,315 sqft)
Owner2 Trust Names on Record
Last Sale$545,500 (Oct 1994)
Tax Bill$11,127 (2025)
Deeds & MortgagesSep 2020 Transfer
Flood ZoneZone X (minimal risk)
APN193-383-001-8

Property Details

APN / Parcel Number

Primary APN193-383-001-8
Alternative APN
  • 193-383-001

Interior

Bedrooms4 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms11 Rooms
Stories2 Stories
Building Area3,086 sqft Living Area
1st Floor Area2,342 sqft
2nd Floor Area744 sqft

Exterior

Year BuiltBuilt 1973
Effective Year BuiltEffective 1985
Lot Area18,315 sqft (0.421 acres)
Garage TypeAttached
Garage Area645 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address3124 ROUNDHILL RD
CityALAMO
StateCA
Zip94507-1717
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR15
Legal DescriptionTRACT 4041 LOT 15
Legal SubdivisionSUBDIVISION 4041
Legal Tract4041
Legal Lot Number15
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4004
Census Tract346102

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 Trust Names on Record
Mailing Address3124 ROUNDHILL RD, ALAMO, CA 94507-1717
OccupancyOwner Occupied
Owner TypeIndividual
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 10, 1994 · Amount on Record
Deed SaleOct 10, 1994 · Amount on Record
Deed Document Number1994251430
Last Transfer DateSep 18, 2020
Transfer Doc0000216914
Record UpdatedSep 20, 2026

September 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 25, 2020
Property Address3124 ROUNDHILL RD, ALAMO, CA 94507-1717
Document Number0000216914
Instrument DateSep 18, 2020
Instrument216914
Transaction TypeTransfer
Record UpdatedOct 19, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address3124 ROUNDHILL RD ALAMO CA 945071717, ALAMO, CA 94507-1717

Tax Assessment & Valuation

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$934,069 (+2%) Land $489,992 Building $444,077
2025$11,127.00 (+3.67%) Homeowner's exemption$915,755 (+4.04%) Land $480,385 Building $435,370
2023$10,733.00 (+0.73%) Homeowner's exemption$880,197 Land $461,732 Building $418,465
2022$10,655.00

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
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies8 in force
Nearby Flood Claims3 (1995–2002)
Most Recent ClaimDec 2002 · river or lake flooding

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 63% of the US · lower than 78% of California
Wildfire Likelihood0.05% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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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