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4870 6th St, Boulder, CO 80304 Property Records

Boulder County property record for 4870 6th St, Boulder, CO 80304 · Last verified June 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 3.75 ba · 4,331 sqft · built 2013
Lot Size0.168 acres (7,321 sqft)
Owner2 Individual Names on File
Last Sale$2,337,500 (Aug 2023)
Tax Bill$14,905 (2025)
Deeds & MortgagesAug 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN1461-12-0-58-007

Property Details

APN / Parcel Number

Primary APN1461-12-0-58-007
Alternative APNs
  • R0502210
  • 0502210

Interior

Bedrooms4 Beds
Full Baths3.75 Baths
Half Baths4 Half Baths
Total Rooms9 Rooms
Building Area4,331 sqft Living Area
Gross Area5,250 sqft
1st Floor Area1,376 sqft
Upper Floors Area1,894 sqft
Basement Area1,377 sqft
Finished Basement1,061 sqft
Unfinished Basement316 sqft

Exterior

Year BuiltBuilt 2013
Effective Year BuiltEffective 2013
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialConcrete
Lot Area7,321 sqft (0.168 acres)
Garage TypeAttached
Garage Area603 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area162 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0502210
Street Address4870 6TH ST
CityBOULDER
StateCO
Zip80304-0593
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 7 CARRIE
Legal SubdivisionCARRIE
Legal Block4
Legal Lot Number7
JurisdictionBOULDER CO
Township / Civil DivisionBALD MOUNTAIN
Census Block Group4
Census Block4038
Census Tract13704

Owner

Source: Boulder County records · APN 1461-12-0-58-007

Assessment roll updated June 15, 2026 · Last verified June 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 File
Mailing Address4870 6TH ST, BOULDER, CO 80304-0593
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 14, 2023 · Amount on Record
Deed SaleAug 14, 2023 · Amount on Record
Prior SaleFeb 25, 2013 · Amount on Record
Deed Document Number20234017861
Record UpdatedSep 20, 2026

August 2023: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionBOULDER CO
Recording DateAug 14, 2023
Property Address4870 6TH ST, BOULDER, CO 80304-0593
Document Number0004017861
Instrument DateAug 09, 2023
Instrument4017861
Transaction TypeTransfer
Record UpdatedSep 06, 2023
Title CompanyLAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$233.75
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address4870 6TH ST, BOULDER, CO 80304-0593

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address4870 6TH ST, BOULDER, CO 80304-0593

Mortgage

Document Number0004017862
DateAug 14, 2023
Instrument4017862
Lender
NameSWBC MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 01, 2053
Interest
Rate TypeAdjustable Rate
Rate6.5%
AdjustableAdjustable Rate Rider
Type Change DateSep 01, 2028
Change FrequencyAnnually
Min Rate At Change4.5%
Max Rate At Change8.5%
Index1-Year CMT
Max Rate11.5%

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2026$171,884 (+8.8%) Land $69,340 Building $102,544$2,527,700 (-) Land $1,019,700 Building $1,508,000
2025$14,905.00 (+8.15%)$157,981 (-4.34%) Land $63,731 Building $94,250$2,527,700 (+2.54%) Land $1,019,700 Building $1,508,000
2023$13,782.00 (+13.96%)$165,155 (+25.45%) Land $69,546 Building $95,609$2,465,000 (+30.13%) Land $1,038,000 Building $1,427,000
2022$12,094.00$131,654 Land $55,718 Building $75,936$1,894,300 Land $801,700 Building $1,092,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130137044, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Flood Insurance CostPremium on Record
median of 16 individual NFIP policies nearby
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies16 in force
Nearby Flood Claims2 (2013)
Claims Outside the SFHA1 of 2
Most Recent ClaimSep 2013, river or lake flooding, Severe Storms, Flooding, Landslides, And Mudslides
Claims By Storm
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 2 claims

Wildfire

Wildfire RiskHigh
above 80% of the US · above 82% of Colorado
Wildfire LikelihoodAbout 1 in 178 per year
ExposureIndirect
within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 306 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AyvaFixed Wireless (unlicensed)2,500 / 2,500
XfinityCable2,000 / 250
Live Wire NetworksFixed Wireless (licensed-by-rule)250 / 100
Lumen TechnologiesDSL140 / 20
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: Verizon, Lumen Technologies. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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