644 Spruce St, Boulder, CO 80302 Property Records

Boulder County property record for 644 Spruce St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1.75 Baths
Year BuiltBuilt 1960
Square Footage1,690 sqft Living Area
Lot Size7,333 sqft (0.168 acres)
Tax Bill$9,950.00 (2025)

Owner

Source: Boulder County records · APN 1461-25-4-30-007

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 RecordCompany Name on File
Mailing Address644 SPRUCE ST, BOULDER, CO 80302-5018
Owner TypeOwner is a Company
VestingTrustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMar 05, 1984
Deed SaleMar 05, 1984
Prior SaleMay 28, 1971 · Amount on Record
Deed Doc Number1984607292
Last Transfer DateSep 10, 2007
Transfer Doc0002884769
Record RefreshedSep 20, 2026

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 and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$120,347 (+8.8%) Land $108,312 Building $12,035$1,769,800 (-) Land $1,592,820 Building $176,980
2025$9,950.00 (+4.73%)$110,612 (-8.14%) Land $99,551 Building $11,061$1,769,800 (-1.52%) Land $1,592,820 Building $176,980
2023$9,501.00 (+8.47%)$120,413 (+18.9%) Land $107,904 Building $12,509$1,797,200 (+23.33%) Land $1,610,500 Building $186,700
2022$8,759.00$101,275 Land $81,426 Building $19,849$1,457,200 Land $1,171,600 Building $285,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

Wildfire RiskHigh
above 77% of the US · above 77% of Colorado
Wildfire LikelihoodAbout 1 in 183 per year
ExposureDirect
burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN1461-25-4-30-007
Alternative APNs
  • R0008990
  • 0008990

Interior

Bedrooms3 Beds
Full Baths1.75 Baths
Partial Baths1 Partial Baths
Total Rooms7 Rooms
Building Area1,690 sqft Living Area
Gross Area2,706 sqft Gross Area
1st Floor1,134 sqft 1st Floor
Upper Floors556 sqft Upper Floors
Basement Area834 sqft Basement
Stories2 Stories
Interior StructurePlaster Interior Structure

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1960
Exterior MaterialCombination Exterior
Construction TypeMasonry/Concrete Masonry Units (CMUs) Construction
Lot Area7,333 sqft (0.168 acres)
Deck Area208 sqft Deck
PorchEnclosed Porch
Porch Area320 sqft Porch

Utilities and HVAC

Heating SystemHot Water Heating

Location & Zoning

Account NumberR0008990
Street Address644 SPRUCE ST
CityBOULDER
StateCO
Zip80302-5018
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 7 BLK 100 BOULDER O T EAST & WEST A/K/A J ALDEN SMITHS
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionBOULDER O T EAST & WEST & NORTH - BO
Legal Block100
Legal Lot Number7
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup1
Census Block1001
Census Tract12201

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