Boulder County property record for 4663 Greylock St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,622 sqft · built 1972 |
| Lot Size | 0.27 acres (11,757 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $731,000 (Dec 2024) |
| Tax Bill | $5,122 (2025) |
| Deeds & Mortgages | Feb 2026 Mortgage Oct 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1465-07-3-02-014 |
| Primary APN | 1465-07-3-02-014 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,622 sqft Living Area |
| Gross Area | 3,706 sqft |
| 1st Floor Area | 1,622 sqft |
| Basement Area | 1,622 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 11,757 sqft (0.27 acres) |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 303 sqft |
| Patio Area | 80 sqft |
| Greenhouse | Greenhouse |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0039194 |
|---|---|
| Street Address | 4663 GREYLOCK ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-4206 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 15 BLK 2 HEATHERWOOD 6 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 12 |
| Legal Subdivision | HEATHERWOOD 6 - BOV |
| Legal Block | 2 |
| Legal Lot Number | 15 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 12709 |
4663 Greylock St is owned and occupied by two individuals who bought it in December 2024.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4663 GREYLOCK ST, BOULDER, CO 80301-4206 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 4, 2026 | Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU |
| Oct 28, 2021 | Beneficiary Deed, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 4, 2024 · Amount on File |
| Deed Sale | Dec 4, 2024 · Amount on File |
| Prior Sale | May 30, 1997 · Amount on File |
| Deed Document Number | 20244069189 |
| Prior Transfer Date | Oct 28, 2021 |
| Prior Transfer Doc | 0003924405 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4663 GREYLOCK ST, BOULDER, CO 80301-4206 |
| Transaction Type | Mortgage |
| Record Updated | Feb 23, 2026 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 4663 GREYLOCK ST, BOULDER, CO 80301-4206 |
| Document Number | 0004118664 |
|---|---|
| Date | Feb 4, 2026 |
| Instrument | 4118664 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 1, 2056 |
| Document Type | Beneficiary Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 28, 2021 |
| Property Address | 4663 GREYLOCK ST, BOULDER, CO 80301-4206 |
| Document Number | 0003924405 |
| Instrument Date | Oct 28, 2021 |
| Instrument | 3924405 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4663 GREVLOCK STREET, BOULDER, CO 80301-4206 |
The 2025 property tax bill for 4663 Greylock St was $5,122, up 7.9% from the year before.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $51,741 (+1.39%) Land $25,731 Building $26,010 | $830,900 (+1.76%) Land $378,400 Building $452,500 | |
| 2025 | $5,122.00 (+7.9%) | $51,032 Land $23,650 Building $27,382 | $816,500 Land $378,400 Building $438,100 |
| 2024 | $4,747.00 (+1.67%) | ||
| 2023 | $4,669.00 (+16.78%) | $54,939 (+34.35%) Land $26,210 Building $28,729 | $820,000 (+39.37%) Land $391,200 Building $428,800 |
| 2022 | $3,998.00 | $40,892 Land $19,196 Building $21,696 | $588,370 Land $276,200 Building $312,170 |
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.
FEMA maps place 4663 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 Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 3 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 risk around 4663 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 Risk | Moderate above 56% of the US · above 40% of Colorado |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 286 locations within half a mile, as of December 31, 2025
| Provider | Max 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.
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