4643 Greylock St, Boulder, CO 80301 Property Records

Boulder County property record for 4643 Greylock St, Boulder, CO 80301

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,795 sqft · built 1975
Lot Size0.221 acres (9,627 sqft)
Owner2 Individual Names on Record
Last Sale$340,000 (Aug 2002)
Tax Bill$5,662 (2025)
Deeds & MortgagesDec 2020 Mortgage
Aug 2020 Line of Credit
+ 2 more
Flood ZoneZone X (minimal risk)
APN1465-07-3-02-012

Property Details

APN / Parcel Number

Primary APN1465-07-3-02-012
Alternative APNs
  • R0039196
  • 0039196

Interior

Bedrooms4 Beds
Full Baths3 Baths
Half Baths3 Half Baths
Total Rooms10 Rooms
Building Area2,795 sqft Living Area
Gross Area3,750 sqft
1st Floor Area1,450 sqft
Upper Floors Area725 sqft
Basement Area828 sqft
Finished Basement620 sqft
Unfinished Basement208 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1975
Effective Year BuiltEffective 1980
Architectural StyleSplit Level
Exterior MaterialBrick Veneer
Construction TypeFrame
Roof MaterialAsphalt
Lot Area9,627 sqft (0.221 acres)
Garage TypeAttached
Garage Area483 sqft
Parking Spaces2 Parking Spaces
PorchEnclosed Porch
Porch Area296 sqft
Deck Area360 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0039196
Street Address4643 GREYLOCK ST
CityBOULDER
StateCO
Zip80301-4206
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeSR
Legal DescriptionLOT 17 BLK 2 HEATHERWOOD 6
Legal Range70
Legal Township1N
Legal Section12
Legal SubdivisionHEATHERWOOD 6 - BOV
Legal Block2
Legal Lot Number17
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1013
Census Tract12709

Owner

Source: Boulder County records, as of June 15, 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 Record
Mailing Address4643 GREYLOCK ST, BOULDER, CO 80301-4206
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Dec 29, 2020Deed of Trust, Mortgage · Conventional Mortgage
ELEVATIONS CU
Aug 25, 2020Deed of Trust, Mortgage · Line of Credit
ELEVATIONS CU
Aug 29, 2022Deed of Trust, Mortgage · Line of Credit
ELEVATIONS CU
Feb 23, 2018Deed of Trust, Mortgage · Conventional Mortgage
ELEVATIONS CU

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 12, 2002 · Amount on Record
Deed SaleAug 12, 2002 · Amount on Record
Prior SaleSep 14, 1992 · Amount on Record
Deed Document Number20022318105
Record UpdatedSep 20, 2026

December 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address4643 GREYLOCK ST, BOULDER, CO 80301-4206
Transaction TypeMortgage
Record UpdatedOct 21, 2022
Title CompanyLAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003846153
DateDec 29, 2020
Instrument3846153
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJan 1, 2051

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address4643 GREYLOCK ST, BOULDER, CO 80301-4206
Transaction TypeMortgage
Record UpdatedOct 21, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003809718
DateAug 25, 2020
Instrument3809718
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeLine of Credit
AmountAmount Recorded
Term240 Months
DueAug 24, 2040
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

August 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address4643 GREYLOCK ST, BOULDER, CO 80301-4206
Transaction TypeMortgage
Record UpdatedOct 21, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003978881
DateAug 29, 2022
Instrument3978881
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeLine of Credit
AmountAmount Recorded
Term240 Months
DueAug 28, 2042
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

February 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address4643 GREYLOCK ST, BOULDER, CO 80301-4206
Document Number0003642705
Instrument DateFeb 23, 2018
Transaction TypeMortgage
Record UpdatedMar 8, 2018
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address4643 GREYLOCK ST BOULDER CO 803014206, BOULDER, CO 80301-4206

Mortgage

Document Number0003642705
DateMar 1, 2018
Instrument3642705
Lender
NameELEVATIONS CU
AddressBROOMFIELD, CO 80021
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 29, 2048

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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$61,425 (+8.8%) Land $23,610 Building $37,815$903,300 (-) Land $347,200 Building $556,100
2025$5,662.00 (+10.39%)$56,456 (-5.95%) Land $21,700 Building $34,756$903,300 (+0.83%) Land $347,200 Building $556,100
2023$5,129.00 (+17.85%)$60,025 (+34.74%) Land $23,805 Building $36,220$895,900 (+39.77%) Land $355,300 Building $540,600
2022$4,352.00$44,549 Land $17,493 Building $27,056$641,000 Land $251,700 Building $389,300

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 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

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

Search Property Records by Address or Parcel Number