Boulder County property record for 4640 Greylock St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.75 ba · 2,921 sqft · built 1972 |
| Lot Size | 0.193 acres (8,393 sqft) |
| Owner | Company Name on Record |
| Last Sale | $337,000 (Feb 2010) |
| Tax Bill | $4,976 (2025) |
| Deeds & Mortgages | Jun 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1465-07-3-03-011 |
| Primary APN | 1465-07-3-03-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,921 sqft Living Area |
| Gross Area | 3,706 sqft |
| 1st Floor Area | 1,622 sqft |
| Basement Area | 1,622 sqft |
| Finished Basement | 1,299 sqft |
| Unfinished Basement | 323 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Lot Area | 8,393 sqft (0.193 acres) |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 282 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0039018 |
|---|---|
| Street Address | 4640 GREYLOCK ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-4207 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 18 BLK 3 HEATHERWOOD 6 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 12 |
| Legal Subdivision | HEATHERWOOD 6 - BOV |
| Legal Block | 3 |
| Legal Lot Number | 18 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 12709 |
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 Record | Company Name on Record |
|---|---|
| Mailing Address | 4640 GREYLOCK ST, BOULDER, CO 80301-4207 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 2, 2010 · Amount on Record |
| Deed Sale | Feb 2, 2010 · Amount on Record |
| Prior Sale | Jan 2, 2007 · Amount on Record |
| Deed Document Number | 20103056567 |
| Last Transfer Date | Jun 20, 2017 |
| Transfer Doc | 0003598884 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 21, 2017 |
| Property Address | 4640 GREYLOCK ST, BOULDER, CO 80301-4207 |
| Document Number | 0003598884 |
| Instrument Date | Jun 20, 2017 |
| Instrument | 3598884 |
| Transaction Type | Transfer |
| Record Updated | Jun 28, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 4640 GREYLOCK ST BOULDER CO 803014207, BOULDER, CO 80301-4207 |
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 | $49,164 (-0.81%) Land $17,286 Building $31,878 | $793,000 (-) Land $324,200 Building $468,800 | |
| 2025 | $4,976.00 (+8.53%) | $49,563 (-6.8%) Land $20,263 Building $29,300 | $793,000 (-0.09%) Land $324,200 Building $468,800 |
| 2024 | $4,585.00 (+1.66%) | ||
| 2023 | $4,510.00 (+16.6%) | $53,178 (+34.45%) Land $22,224 Building $30,954 | $793,700 (+39.47%) Land $331,700 Building $462,000 |
| 2022 | $3,868.00 | $39,553 Land $16,333 Building $23,220 | $569,100 Land $235,000 Building $334,100 |
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.
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.
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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