Boulder County property record for 640 Yale Rd, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 1,779 sqft · built 1963 |
| Lot Size | 0.163 acres (7,079 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,100,000 (Apr 2023) |
| Tax Bill | $6,524 (2025) |
| Deeds & Mortgages | Sep 2025 Transfer Apr 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-2-06-009 |
| Primary APN | 1577-08-2-06-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,779 sqft Living Area |
| Gross Area | 2,349 sqft |
| 1st Floor Area | 1,026 sqft |
| Basement Area | 1,026 sqft |
| Finished Basement | 753 sqft |
| Unfinished Basement | 273 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,079 sqft (0.163 acres) |
| Garage Type | Attached |
| Garage Area | 297 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 312 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0013540 |
|---|---|
| Street Address | 640 YALE RD |
| City | BOULDER |
| State | CO |
| Zip | 80305-5810 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 9 BLK 3 TABLE MESA 1 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 08 |
| Legal Subdivision | TABLE MESA 1 - BO |
| Legal Block | 3 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2036 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-08-2-06-009
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 640 YALE RD, BOULDER, CO 80305-5810 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Sep 25, 2025 | Intrafamily Transfer, Transfer |
| Apr 20, 2023 | Warranty Deed, Transfer · Conventional Mortgage CITIBANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 20, 2023 · Amount on Record |
| Deed Sale | Apr 20, 2023 · Amount on Record |
| Prior Sale | May 07, 2015 · Amount on Record |
| Deed Document Number | 20234004494 |
| Last Transfer Date | Sep 12, 2025 |
| Transfer Doc | 0004103489 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Sep 25, 2025 |
| Property Address | 640 YALE RD, BOULDER, CO 80305-5810 |
| Document Number | 0004103489 |
| Instrument Date | Sep 12, 2025 |
| Instrument | 4103489 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 640 YALE RD, BOULDER, CO 80305-5810 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 20, 2023 |
| Property Address | 640 YALE RD, BOULDER, CO 80305-5810 |
| Document Number | 0004004494 |
| Instrument Date | Apr 19, 2023 |
| Instrument | 4004494 |
| Transaction Type | Transfer |
| Record Updated | Apr 27, 2023 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $110.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 640 YALE RD, BOULDER, CO 80305-5810 |
| Document Number | 0004004495 |
|---|---|
| Date | Apr 20, 2023 |
| Instrument | 4004495 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.12% |
| Adjustable | Adjustable Rate Rider |
| Type Change Date | May 01, 2033 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 10.1% |
| Index | 6-Month LIBOR |
| Max Rate | 10.1% |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $74,453 (+8.8%) Land $52,843 Building $21,610 | $1,094,900 (-) Land $777,100 Building $317,800 | |
| 2025 | $6,524.00 (-2.19%) | $68,432 (-9.84%) Land $48,569 Building $19,863 | $1,094,900 (-7.82%) Land $777,100 Building $317,800 |
| 2024 | $6,670.00 (+1.77%) | $75,898 (-4.63%) Land $58,096 Building $17,802 | $1,187,800 (-) Land $922,100 Building $265,700 |
| 2023 | $6,554.00 (+12.92%) | $79,583 (+27.32%) Land $61,781 Building $17,802 | $1,187,800 (+32.07%) Land $922,100 Building $265,700 |
| 2022 | $5,804.00 | $62,508 Land $45,446 Building $17,062 | $899,400 Land $653,900 Building $245,500 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 17 (1980–2015) |
| Claims Outside the SFHA | 7 of 17 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Low lower than 66% of the US · lower than 83% of Colorado |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Lumen Technologies Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AT&T.
Based on FCC filings for 515 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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