4274 Graham Ct, Boulder, CO 80305 Property Records

Boulder County property record for 4274 Graham Ct, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.75 ba · 1,679 sqft · built 1960
Lot Size0.171 acres (7,462 sqft)
OwnerCompany Name on File
Last Sale$585,000 (Apr 2016)
Tax Bill$5,656 (2025)
Flood ZoneZone X (minimal risk)
APN1577-05-4-09-017

Property Details

APN / Parcel Number

Primary APN1577-05-4-09-017
Alternative APNs
  • R0012370
  • 0012370

Interior

Bedrooms3 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Total Rooms5 Rooms
Building Area1,679 sqft Living Area
1st Floor Area1,150 sqft
Basement Area529 sqft
Finished Basement529 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1990
Architectural StyleSplit Level
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area7,462 sqft (0.171 acres)
Garage TypeDetached
Garage Area600 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area275 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0012370
Street Address4274 GRAHAM CT
CityBOULDER
StateCO
Zip80305-5506
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 17 BLK 12 WILLIAM MARTIN HOMESTEAD
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionWILLIAM MARTIN HOMESTEAD - BO
Legal Block12
Legal Lot Number17
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1018
Census Tract12507

Owner

4274 Graham Ct is owned by a company that bought it in April 2016.

Source: Boulder County records, as of September 18, 2026

Owner of RecordCompany Name on File
Mailing Address7050 W 120TH AVE, 122, BROOMFIELD, CO 80020-7604
Owner TypeCompany
VestingCompany

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 NamesName on Deed
Last SaleApr 1, 2016 · Amount on File
Deed SaleApr 1, 2016 · Amount on File
Prior SaleJun 25, 2010 · Amount on File
Deed Document Number20163509497
Prior Transfer DateJul 20, 2015
Prior Transfer Doc0003463629
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 4274 Graham Ct was $5,656.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$59,786 (+0.78%) Land $33,994 Building $25,792$949,200 (-) Land $569,900 Building $379,300
2025$5,656.00$59,325 Land $35,619 Building $23,706$949,200 Land $569,900 Building $379,300
2023$5,546.00 (+10.28%)$67,911 (+27.3%) Land $41,741 Building $26,170$1,013,600 (+32.05%) Land $623,000 Building $390,600
2022$5,029.00$53,348 Land $30,962 Building $22,386$767,600 Land $445,500 Building $322,100

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 4274 Graham Ct in Zone X, an area of minimal flood risk, though there have been 16 flood claims nearby since 1995.

Source: FEMA National Flood Hazard Layer, effective October 14, 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
Flood Insurance CostPremium on File
median of 25 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies25 in force
Nearby Flood Claims16 (1995–2013)
Claims Outside the SFHA2 of 16
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 14 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

Wildfire risk around 4274 Graham Ct is low, with a 0.03% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood0.03% 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 SystemCITY OF BOULDER
serves 166,080 people · EPA ID CO0107152
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jul 2017
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 678 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless
2,500 / 2,500
CenturyLink
Fiber · DSL in parts of the area
2,000 / 1,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
LiveWireNet
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T.

Nearby Properties on Graham Ct

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