4673 Greylock St, Boulder, CO 80301 Property Records

Boulder County property record for 4673 Greylock St, Boulder, CO 80301

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.25 ba · 2,145 sqft · built 1972
Lot Size0.207 acres (9,019 sqft)
OwnerIndividual Name on File
Last Sale$120,000 (Nov 1990)
Tax Bill$5,299 (2025)
Flood ZoneZone X (minimal risk)
APN1465-07-3-02-015

Property Details

APN / Parcel Number

Primary APN1465-07-3-02-015
Alternative APNs
  • R0039193
  • 0039193

Interior

Bedrooms4 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area2,145 sqft Living Area
Gross Area3,841 sqft
1st Floor Area1,135 sqft
Upper Floors Area1,010 sqft
Basement Area1,045 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1972
Effective Year BuiltEffective 1995
Exterior MaterialBrick Veneer
Construction TypeFrame
Roof MaterialAsphalt
Lot Area9,019 sqft (0.207 acres)
Garage TypeAttached
Garage Area651 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchPorch
Porch Area96 sqft
Deck Area630 sqft
Patio Area276 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0039193
Street Address4673 GREYLOCK ST
CityBOULDER
StateCO
Zip80301-4206
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeSR
Legal DescriptionLOT 14 BLK 2 HEATHERWOOD 6
Legal Range70
Legal Township1N
Legal Section12
Legal SubdivisionHEATHERWOOD 6 - BOV
Legal Block2
Legal Lot Number14
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1013
Census Tract12709

Owner

4673 Greylock St is owned and occupied by an individual who bought it in November 1990.

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

Owner of RecordIndividual Name on File
Mailing Address4673 GREYLOCK ST, BOULDER, CO 80301-4206
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 5, 1990 · Amount on File
Deed SaleNov 5, 1990 · Amount on File
Prior SaleMar 6, 1989 · Amount on File
Deed Document Number19901072526
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 4673 Greylock St was $5,299.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$59,493 (+0.74%) Land $18,095 Building $41,398$944,900 (-) Land $336,100 Building $608,800
2025$5,299.00$59,056 Land $21,006 Building $38,050$944,900 Land $336,100 Building $608,800
2023$4,751.00 (+23.11%)$62,551 (+34.77%) Land $23,041 Building $39,510$933,600 (+39.8%) Land $343,900 Building $589,700
2022$3,859.00$46,412 Land $16,930 Building $29,482$667,800 Land $243,600 Building $424,200

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

FEMA maps place 4673 Greylock St in Zone X, an area of minimal flood risk.

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 Policies3 in force

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

Wildfire risk around 4673 Greylock St is moderate, ranking above 56% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire RiskModerate
above 56% of the US · above 40% of Colorado
Wildfire Likelihood0.1% annual chance
ExposureIndirect
within ember reach

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 286 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
Verizon
Fixed Wireless
300 / 20
CenturyLink
DSL
140 / 20

May also be available: AT&T.

Nearby Properties on Greylock St

Nearby Streets

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