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678 Tantra Dr, #4E, Boulder, CO 80305 Property Records

Boulder County property record for 678 Tantra Dr, #4E, Boulder, CO 80305

Property Summary

Property TypeCondominium
Details2 bd · 1 ba · 816 sqft · built 1981
Lot Size2.14 acres (93,552 sqft)
OwnerIndividual Name on Record
Last Sale$118,000 (Aug 1994)
Tax Bill$1,985 (2025)
Flood ZoneZone X (minimal risk)
APN1577-09-0-12-029

Property Details

APN / Parcel Number

Primary APN1577-09-0-12-029
Alternative APNs
  • R0089771
  • 0089771

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area816 sqft Living Area
1st Floor Area816 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1981
Effective Year BuiltEffective 1981
Architectural StyleCondo/Apartment
Exterior MaterialWood Shingle
Construction TypeFrame
Lot Area93,552 sqft
Garage TypeDetached
Garage Area240 sqft
Parking Spaces1 Parking Space
Deck Area77 sqft

Utilities, Heating & Cooling

Heating FuelElectric

Location & Zoning

Account NumberR0089771
Street Address678 TANTRA DR, 4E
CityBOULDER
StateCO
Zip80305-6183
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionUNIT E BLDG 4 SOUTH CREEK 3 CONDOS PHASE II & 1.388% INT COMMON ELEMENTS
Legal Range70
Legal Township1S
Legal Section09
Legal SubdivisionSOUTH CREEK 3 BLDG 8 BO
Legal Phase2
Legal Block2
Legal UnitE
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2002
Census Tract12508

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address678 TANTRA DR, BOULDER, CO 80305-6183
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 2, 1994 · Amount on Record
Deed SaleAug 2, 1994 · Amount on Record
Prior SaleJun 19, 1991 · Amount on Record
Deed Document Number19941451462
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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$26,512 (-2.08%) Building $26,512$433,200 (-) Building $433,200
2025$1,985.00 (+30.59%)$27,075 (-3.27%) Building $27,075$433,200 (+3.69%) Building $433,200
2023$1,520.00 (-13.14%)$27,990 (+8.5%) Building $27,990$417,765 (+12.54%) Building $417,765
2022$1,750.00$25,798 Building $25,798$371,200 Building $371,200

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

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
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies8 in force
Nearby Flood Claims6 (2013)
Claims Outside the SFHA1 of 6
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 6 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

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

Wildfire RiskModerate
above 59% of the US · above 46% of Colorado
Wildfire Likelihood0.2% annual chance
ExposureDirect
burnable vegetation

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 221 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless		2,500 / 2,500
Xfinity
Cable		2,000 / 250
LiveWireNet
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless		100 / 20

May also be available: CenturyLink, Verizon.

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