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3480 Ash Ave, Boulder, CO 80305 Property Records

Boulder County property record for 3480 Ash Ave, Boulder, CO 80305 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.25 ba · 2,408 sqft · built 1962
Lot Size0.187 acres (8,136 sqft)
Owner2 Individual Names on File
Tax Bill$3,818 (2025)
Deeds & MortgagesSep 2022 Transfer
Flood ZoneZone X (moderate risk)
APN1577-05-2-29-001

Property Details

APN / Parcel Number

Primary APN1577-05-2-29-001
Alternative APNs
  • R0012508
  • 0012508

Interior

Bedrooms3 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms5 Rooms
Stories1 Story
Building Area2,408 sqft Living Area
Gross Area2,828 sqft
1st Floor Area1,204 sqft
Basement Area1,204 sqft
Finished Basement1,204 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 1962
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area8,136 sqft (0.187 acres)
Garage TypeAttached
Garage Area420 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area392 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0012508
Street Address3480 ASH AVE
CityBOULDER
StateCO
Zip80305-3432
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 1 BLK 2 WILLIAM MARTIN HOMESTEAD
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionWILLIAM MARTIN HOMESTEAD - BO
Legal Block2
Legal Lot Number1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1011
Census Tract12507

Owner

Source: Boulder County records · APN 1577-05-2-29-001

Assessment roll updated June 15, 2026 · Last verified August 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 Address3480 ASH AVE, BOULDER, CO 80305-3432
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 17, 1982
Deed SaleSep 17, 1982
Prior SaleApr 11, 1975
Deed Document Number1982512031
Last Transfer DateSep 19, 2022
Transfer Doc0003982353
Record UpdatedSep 20, 2026

September 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBOULDER CO
Recording DateSep 26, 2022
Property Address3480 ASH AVE, BOULDER, CO 80305-3432
Document Number0003982353
Instrument DateSep 19, 2022
Instrument3982353
Transaction TypeTransfer
Record UpdatedOct 03, 2022

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address2707 4TH ST, BOULDER, CO 80304-3236

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 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 and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$50,367 (+8.8%) Land $35,584 Building $14,783$740,700 (-) Land $523,300 Building $217,400
2025$3,818.00 (+0.66%)$46,294 (-14.77%) Land $32,706 Building $13,588$740,700 (-8.63%) Land $523,300 Building $217,400
2023$3,793.00 (+14.45%)$54,317 (+27.39%) Land $39,336 Building $14,981$810,700 (+32.14%) Land $587,100 Building $223,600
2022$3,314.00$42,638 Land $29,475 Building $13,163$613,500 Land $424,100 Building $189,400

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 080130125071, 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 HazardModerate
500-Year FloodplainYes
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance CostPremium on Record
median of 25 individual NFIP policies nearby
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, rainfall accumulation, Severe Storms, Flooding, Landslides, And Mudslides
Claims By Storm
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 14 claims

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond 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 451 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AyvaFixed Wireless (unlicensed)2,500 / 2,500
Lumen TechnologiesFiber2,000 / 1,000
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
Live Wire NetworksFixed Wireless (licensed-by-rule)250 / 100
T-Mobile USAFixed Wireless100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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