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5509 Roundtree Dr, Apt A, Concord, CA 94521 Property Records

Contra Costa County property record for 5509 Roundtree Dr, Apt A, Concord, CA 94521

Property Summary

Property TypeTownhouse
Details2 bd · 1 ba · 914 sqft · built 1971
Lot Size0.03 acres (1,292 sqft)
OwnerCompany Name on Record
Last Sale$287,000 (Dec 2004)
Tax Bill$5,261 (2025)
Deeds & MortgagesSep 2021 Transfer
Flood ZoneZone X (minimal risk)
APN120-261-049-7

Property Details

APN / Parcel Number

Primary APN120-261-049-7
Alternative APN
  • 120-261-049

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area914 sqft Living Area
1st Floor Area914 sqft

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 1987
Architectural StyleTownhouse
Lot Area1,292 sqft (0.03 acres)
Garage TypeCarport
Garage Area200 sqft
CarportCarport
Carport Area200 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5509 ROUNDTREE DR, A
CityCONCORD
StateCA
Zip94521-3940
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Local Zoning CodePUD
Legal DescriptionTRACT 3931 LOT 2 BLK 26
Legal SubdivisionSUBDIVISION 3931 ROUNDTREE UN
Legal Tract3931
Legal Block26
Legal Lot Number2
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 RecordCompany Name on Record
Mailing Address5509 ROUNDTREE DR, A, CONCORD, CA 94521-3940
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 15, 2004 · Amount on Record
Deed SaleDec 15, 2004 · Amount on Record
Deed Document Number2004480962
Last Transfer DateSep 10, 2021
Transfer Doc0000266434
Record UpdatedOct 29, 2026

September 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateSep 24, 2021
Property Address5509 ROUNDTREE DR APT A, A, CONCORD, CA 94521-3940
Document Number0000266434
Map ReferenceMB 138 PG 23
Instrument DateSep 10, 2021
Instrument2021-266434
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
RelationshipLiving Trust
Address5509 ROUNDTREE DR APT A, A, CONCORD, CA 94521-3940

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$408,032 (+2%) Land $181,978 Building $226,054
2025$5,261.00 (+5.11%) Homeowner's exemption$400,032 (+4.04%) Land $178,410 Building $221,622
2023$5,005.00 (+1.67%) Homeowner's exemption$384,500 Land $171,483 Building $213,017
2022$4,923.00

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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