Boulder County property record for 745 S 45th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,246 sqft · built 1959 |
| Lot Size | 0.162 acres (7,049 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $447,000 (Jun 2006) |
| Tax Bill | $6,628 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-03-020 |
| Primary APN | 1577-08-1-03-020 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,246 sqft Living Area |
| Gross Area | 2,588 sqft |
| 1st Floor Area | 1,250 sqft |
| Basement Area | 1,107 sqft |
| Finished Basement | 996 sqft |
| Unfinished Basement | 111 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,049 sqft (0.162 acres) |
| Garage Type | Attached |
| Garage Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 112 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0011769 |
|---|---|
| Street Address | 745 S 45TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-6053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 20 BLK 3 MARTIN ACRES 3 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 3 - BO |
| Legal Block | 3 |
| Legal Lot Number | 20 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 12508 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 745 S 45TH ST, BOULDER, CO 80305-6053 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 1, 2006 · Amount on Record |
| Deed Sale | Jun 1, 2006 · Amount on Record |
| Prior Sale | Aug 15, 1988 |
| Deed Document Number | 20062780381 |
| Prior Transfer Date | Apr 25, 2006 |
| Prior Transfer Doc | 0002773195 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 745 S 45TH ST, BOULDER, CO 80305-6053 |
| Transaction Type | Mortgage |
| Record Updated | Nov 19, 2021 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 745 S 45TH ST, BOULDER, CO 80305-6053 |
| Document Number | 0003925307 |
|---|---|
| Date | Nov 2, 2021 |
| Instrument | 3925307 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Nov 1, 2036 |
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 | $70,876 (+1.95%) Land $27,349 Building $43,527 | $1,112,300 (-) Land $472,200 Building $640,100 | |
| 2025 | $6,628.00 (+1.27%) | $69,519 (-12.53%) Land $29,513 Building $40,006 | $1,112,300 (-6.23%) Land $472,200 Building $640,100 |
| 2023 | $6,545.00 (+16.83%) | $79,475 (+31.74%) Land $34,880 Building $44,595 | $1,186,200 (+36.66%) Land $520,600 Building $665,600 |
| 2022 | $5,602.00 | $60,326 Land $25,965 Building $34,361 | $868,000 Land $373,600 Building $494,400 |
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 | 5 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 45% of the US · lower than 72% of Colorado |
|---|---|
| Wildfire Likelihood | 0.09% 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 604 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 | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: AT&T, T-Mobile.
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