5511 Roundtree Dr, Apt B, Concord, CA 94521 Property Records

Contra Costa County property record for 5511 Roundtree Dr, Apt B, Concord, CA 94521

Property Summary

Property TypeTownhouse
Details2 bd · 1.5 ba · 973 sqft · built 1971
Lot Size0.016 acres (684 sqft)
Owner2 Individual Names on Record
Last Sale$121,000 (Nov 2012)
Tax Bill$2,632 (2025)
Deeds & MortgagesFeb 2018 Line of Credit
Flood ZoneZone X (minimal risk)
APN120-261-043

Property Details

APN / Parcel Number

Primary APN120-261-043
Alternative APN
  • 120-261-043-0

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories2 Stories
Building Area973 sqft Living Area
1st Floor Area492 sqft
2nd Floor Area481 sqft

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 1982
Architectural StyleTownhouse
Lot Area684 sqft (0.016 acres)
Garage TypeAttached
Garage Area200 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5511 ROUNDTREE DR, B
CityCONCORD
StateCA
Zip94521-3939
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Local Zoning CodePD
Legal DescriptionTRACT 3931 LOT 11 BLK 25
Legal SubdivisionSUBDIVISION 3931
Legal Tract3931
Legal Block25
Legal Lot Number11
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1002
Census Tract355310

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 Individual Names on Record
Mailing Address1848 EAGLE PEAK AVE, CLAYTON, CA 94517-1802
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 27, 2012 · Amount on Record
Deed SaleNov 27, 2012 · Amount on Record
Prior SaleMay 16, 2003 · Amount on Record
Deed Document Number2012300764
Last Transfer DateOct 10, 2013
Transfer Doc0000242623
Record UpdatedOct 29, 2026

February 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address5511 ROUNDTREE DR APT B, B, CONCORD, CA 94521-3939
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE SANTA A

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000020881
DateFeb 9, 2018
Instrument2018-020881
Lender
NameFREMONT BANK
TypeBank
AddressLIVERMORE, CA 94551
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueFeb 6, 2048
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityConcord City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$151,592 (+2%) Land $62,798 Building $88,794
2025$2,632.00 (+6.21%)$148,620 (+4.04%) Land $61,567 Building $87,053
2023$2,478.00 (+2.4%)$142,851 Land $59,177 Building $83,674
2022$2,420.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 588 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

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