3185 18th St, Boulder, CO 80304 Property Records

Boulder County property record for 3185 18th St, Boulder, CO 80304

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 1,088 sqft · built 1960
Lot Size0.142 acres (6,203 sqft)
OwnerIndividual Name on File
Last Sale$100,000 (Mar 1992)
Tax Bill$5,735 (2025)
Deeds & MortgagesMar 2020 Line of Credit
Flood ZoneZone X (minimal risk)
APN1463-19-3-26-013

Property Details

APN / Parcel Number

Primary APN1463-19-3-26-013
Alternative APNs
  • R0003652
  • 0003652

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,088 sqft Living Area
Gross Area1,328 sqft
1st Floor Area1,088 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1960
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area6,203 sqft (0.142 acres)
Garage TypeAttached
Garage Area240 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area200 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Account NumberR0003652
Street Address3185 18TH ST
CityBOULDER
StateCO
Zip80304-2621
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 13 BLK 5 SILVER MAPLE VILLAGE 2
Legal Range70
Legal Township1N
Legal Section19
Legal SubdivisionSILVER MAPLE VILLAGE 2 - BO
Legal Block5
Legal Lot Number13
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2011
Census Tract12106

Owner

Source: Boulder County records · APN 1463-19-3-26-013

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 RecordIndividual Name on File
Mailing Address3185 18TH ST, BOULDER, CO 80304-2621
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 25, 1992 · Amount on Record
Deed SaleMar 25, 1992 · Amount on Record
Prior SaleFeb 25, 1983
Deed Document Number19921170359
Record UpdatedSep 20, 2026

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3185 18TH ST, BOULDER, CO 80304-2621
Transaction TypeMortgage
Record UpdatedMar 31, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003770760
DateMar 09, 2020
Instrument3770760
Lender
NameZB NA
TypeBank
AddressBOULDER, CO 80304
Agreement
TypeLine of Credit
AmountAmount Recorded
Term359 Months
DueFeb 14, 2050
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

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$61,866 (+8.8%) Land $55,610 Building $6,256$909,800 (-) Land $817,800 Building $92,000
2025$5,735.00 (+11.92%)$56,863 (-9.86%) Land $51,113 Building $5,750$909,800 (-3.37%) Land $817,800 Building $92,000
2023$5,124.00 (+35.88%)$63,081 (+32.62%) Land $54,123 Building $8,958$941,500 (+37.57%) Land $807,800 Building $133,700
2022$3,771.00$47,566 Land $40,852 Building $6,714$684,400 Land $587,800 Building $96,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 50 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies50 in force
Nearby Flood Claims3 (2013)
Claims Outside the SFHA3 of 3
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood0.01% annual chance
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 as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Ayva
Fixed Wireless
2,500 / 2,500
Lumen Technologies
Fiber
2,000 / 1,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
Live Wire Networks
Fixed Wireless
250 / 100
T-Mobile USA
Fixed Wireless
100 / 20

May also be available: AT&T.

Based on FCC filings for 640 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemCITY OF BOULDER
serves 166,080 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

Nearby Properties on 18th St

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