Boulder County property record for 4144 Greenbriar Blvd, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.25 ba · 1,756 sqft · built 1976 |
| Lot Size | 0.037 acres (1,608 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $797,355 (Nov 2021) |
| Tax Bill | $5,296 (2025) |
| Deeds & Mortgages | Nov 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-17-1-01-011 |
| Primary APN | 1577-17-1-01-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,756 sqft Living Area |
| 1st Floor Area | 576 sqft |
| Upper Floors Area | 604 sqft |
| Basement Area | 576 sqft |
| Finished Basement | 576 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 1,608 sqft (0.037 acres) |
| Garage Type | Detached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 56 sqft |
| Heating Fuel | Electric |
|---|
| Account Number | R0066309 |
|---|---|
| Street Address | 4144 GREENBRIAR BLVD |
| City | BOULDER |
| State | CO |
| Zip | 80305-7048 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | UNIT 11 SHANAHAN RIDGE 2 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 17 |
| Legal Subdivision | SHANAHAN RIDGE 2 - BO |
| Legal Block | 3 |
| Legal Lot Number | 11 |
| Legal Unit | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 12510 |
4144 Greenbriar Blvd is owned by two individuals who bought it in November 2021.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2150 OLD RAIL WAY, LOUISVILLE, CO 80027-8760 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 15, 2021 · Amount on File |
| Deed Sale | Nov 15, 2021 · Amount on File |
| Prior Sale | Jun 30, 1981 |
| Deed Document Number | 20213927589 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 15, 2021 |
| Property Address | 4144 GREENBRIAR BLVD, BOULDER, CO 80305-7048 |
| Document Number | 0003927589 |
| Map Reference | DDOC 132417 |
| Instrument Date | Oct 27, 2021 |
| Instrument | 3927589 |
| Transaction Type | Transfer |
| Record Updated | Nov 24, 2021 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $79.74 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 4144 GREENBRIAR BLVD, 4144, BOULDER, CO 80305-7048 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4144 GREENBRIAR BLVD, BOULDER, CO 80305-7048 |
| Document Number | 0003927590 |
|---|---|
| Date | Nov 15, 2021 |
| Instrument | 3927590 |
| Name | UNION HOME MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Nov 1, 2051 |
The 2025 property tax bill for 4144 Greenbriar Blvd was $5,296.
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 | $54,760 (+0.1%) Land $26,554 Building $28,206 | $875,300 (-) Land $460,500 Building $414,800 | |
| 2025 | $5,296.00 | $54,706 Land $28,781 Building $25,925 | $875,300 Land $460,500 Building $414,800 |
| 2023 | $4,782.00 (+7.22%) | $58,196 (+21.16%) Land $32,756 Building $25,440 | $868,600 (+25.68%) Land $488,900 Building $379,700 |
| 2022 | $4,460.00 | $48,031 Land $25,423 Building $22,608 | $691,100 Land $365,800 Building $325,300 |
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.
FEMA maps place 4144 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 4144 Greenbriar Blvd is high, ranking above 72% 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 72% of the US · above 69% 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 240 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 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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