Boulder County property record for 4530 Osage Dr, Boulder, CO 80303
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 2,236 sqft · built 1962 |
| Lot Size | 0.262 acres (11,416 sqft) |
| Owner | Individual Name on File |
| Last Sale | $840,000 (Jun 2018) |
| Tax Bill | $6,823 (2025) |
| Deeds & Mortgages | Jun 2018 Sale & Mortgage Aug 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-04-3-20-006 |
| Primary APN | 1577-04-3-20-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Building Area | 2,236 sqft Living Area |
| Gross Area | 2,626 sqft |
| 1st Floor Area | 1,118 sqft |
| Basement Area | 1,118 sqft |
| Finished Basement | 1,118 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Bi-Level |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 11,416 sqft (0.262 acres) |
| Garage Type | Attached |
| Garage Area | 390 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
|---|---|
| Porch Area | 472 sqft |
| Deck Area | 518 sqft |
| Patio Area | 862 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0015477 |
|---|---|
| Street Address | 4530 OSAGE DR |
| City | BOULDER |
| State | CO |
| Zip | 80303-3721 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK 3 KEEWAYDIN |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 04 |
| Legal Subdivision | KEEWAYDIN - BO |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 12511 |
4530 Osage Dr is owned and occupied by an individual who bought it in June 2018.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4530 OSAGE DR, BOULDER, CO 80303-3721 |
| 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 |
|---|---|
| Jun 25, 2018 | Warranty Deed, Transfer · Conventional Mortgage COMMERCE MORTGAGE |
| Aug 22, 2017 | Grant Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 25, 2018 · Amount on File |
| Deed Sale | Jun 25, 2018 · Amount on File |
| Prior Sale | Aug 22, 2017 · Amount on File |
| Deed Document Number | 20183662436 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 25, 2018 |
| Property Address | 4530 OSAGE DR, BOULDER, CO 80303-3721 |
| Document Number | 0003662436 |
| Instrument Date | Jun 22, 2018 |
| Instrument | 3662436 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $84.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 4530 OSAGE DR, BOULDER, CO 80303-3721 |
| Document Number | 0003662437 |
|---|---|
| Date | Jun 25, 2018 |
| Instrument | 3662437 |
| Name | COMMERCE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2048 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 22, 2017 |
| Property Address | 4530 OSAGE DR, BOULDER, CO 80303-3721 |
| Document Number | 0003610344 |
| Instrument Date | Aug 21, 2017 |
| Instrument | 3610344 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2017 |
| Amount | Amount on Record |
|---|---|
| Tax | $64.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 105 PAWNEE DR BOULDER CO 803033728, BOULDER, CO 80303-3728 |
The 2025 property tax bill for 4530 Osage Dr was $6,823.
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 | $73,100 (+2.15%) Land $46,492 Building $26,608 | $1,145,000 (-) Land $753,700 Building $391,300 | |
| 2025 | $6,823.00 | $71,562 Land $47,106 Building $24,456 | $1,145,000 Land $753,700 Building $391,300 |
| 2023 | $6,680.00 (+21.06%) | $81,043 (+36.37%) Land $57,332 Building $23,711 | $1,209,600 (+41.46%) Land $855,700 Building $353,900 |
| 2022 | $5,518.00 | $59,430 Land $41,012 Building $18,418 | $855,100 Land $590,100 Building $265,000 |
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 4530 Osage Dr in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1982.
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 15 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 5 (1982–2013) |
| Claims Outside the SFHA | 5 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 4530 Osage Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 84% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% 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 339 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 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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