Boulder County property record for 3940 Greenbriar Blvd, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,918 sqft · built 1972 |
| Lot Size | 0.179 acres (7,812 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,627,500 (Sep 2021) |
| Tax Bill | $10,689 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Sep 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-17-1-07-001 |
| Primary APN | 1577-17-1-07-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,918 sqft Living Area |
| Gross Area | 3,484 sqft |
| 1st Floor Area | 1,742 sqft |
| Basement Area | 1,176 sqft |
| Finished Basement | 1,176 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | Bi-Level |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Lot Area | 7,812 sqft (0.179 acres) |
| Garage Type | Attached |
| Garage Area | 566 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 121 sqft |
| Deck Area | 303 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0012782 |
|---|---|
| Street Address | 3940 GREENBRIAR BLVD |
| City | BOULDER |
| State | CO |
| Zip | 80305-7046 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 14 ROLLING HILLS 1 REPLAT |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 17 |
| Legal Subdivision | ROLLING HILLS & REPLAT 1 - BO |
| Legal Block | 14 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 12510 |
3940 Greenbriar Blvd is owned and occupied by two individuals who bought it in September 2021.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3940 GREENBRIAR BLVD, BOULDER, CO 80305-7046 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Oct 6, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| Sep 7, 2021 | Special Warranty Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 7, 2021 · Amount on File |
| Deed Sale | Sep 7, 2021 · Amount on File |
| Prior Sale | Feb 16, 1984 |
| Deed Document Number | 20213911830 |
| Prior Transfer Date | Mar 3, 2010 |
| Prior Transfer Doc | 0003063102 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3940 GREENBRIAR BLVD, BOULDER, CO 80305-7046 |
| Transaction Type | Mortgage |
| Record Updated | Oct 26, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|
| Document Number | 0003918807 |
|---|---|
| Date | Oct 6, 2021 |
| Instrument | 3918807 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 1, 2051 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 7, 2021 |
| Property Address | 3940 GREENBRIAR BLVD, BOULDER, CO 80305-7046 |
| Document Number | 0003911830 |
| Instrument Date | Sep 1, 2021 |
| Instrument | 3911830 |
| Transaction Type | Transfer |
| Record Updated | Sep 20, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $162.75 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3940 GREENBRIAR BLVD, BOULDER, CO 80305-7046 |
The 2025 property tax bill for 3940 Greenbriar Blvd was $10,689.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $117,212 (+4.55%) Land $60,826 Building $56,386 | $1,793,700 (-) Land $964,500 Building $829,200 | |
| 2025 | $10,689.00 | $112,106 Land $60,281 Building $51,825 | $1,793,700 Land $964,500 Building $829,200 |
| 2023 | $11,274.00 (+41.1%) | $134,242 (+57.57%) Land $77,151 Building $57,091 | $2,003,600 (+63.45%) Land $1,151,500 Building $852,100 |
| 2022 | $7,990.00 | $85,193 Land $57,483 Building $27,710 | $1,225,800 Land $827,100 Building $398,700 |
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 3940 Greenbriar Blvd in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1978.
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 |
| Flood Insurance Cost | Premium on File median of 17 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 5 (1978–2013) |
| Claims Outside the SFHA | 4 of 5 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 3940 Greenbriar Blvd is high, ranking above 77% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 77% of the US · above 78% of Colorado |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 510 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
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