Boulder County property record for 740 S 45th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.25 ba · 2,214 sqft · built 1959 |
| Lot Size | 0.173 acres (7,536 sqft) |
| Owner | Individual Name on File |
| Last Sale | $315,000 (Sep 2010) |
| Tax Bill | $5,844 (2025) |
| Deeds & Mortgages | May 2022 Transfer May 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-02-016 |
| Primary APN | 1577-08-1-02-016 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,214 sqft Living Area |
| Gross Area | 2,478 sqft |
| 1st Floor Area | 1,107 sqft |
| Basement Area | 1,107 sqft |
| Finished Basement | 1,107 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,536 sqft (0.173 acres) |
| Garage Type | Attached |
| Garage Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 100 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0012923 |
|---|---|
| Street Address | 740 S 45TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-6054 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 16 BLK 2 MARTIN ACRES 3 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | MARTIN ACRES 3 - BO |
| Legal Block | 2 |
| Legal Lot Number | 16 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 12508 |
740 S 45th St is owned and occupied by an individual who acquired it in February 2025.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 740 S 45TH ST, BOULDER, CO 80305-6054 |
| 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 |
|---|---|
| May 16, 2022 | Intrafamily Transfer, Transfer |
| May 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 28, 2010 · Amount on File |
| Deed Sale | Sep 28, 2010 · Amount on File |
| Prior Sale | Aug 4, 1995 · Amount on File |
| Deed Document Number | 20103101567 |
| Last Transfer Date | Feb 19, 2025 |
| Transfer Doc | 0004076997 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 16, 2022 |
| Property Address | 740 S 45TH ST, BOULDER, CO 80305-6054 |
| Document Number | 0003962216 |
| Instrument Date | May 13, 2022 |
| Instrument | 3962216 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 740 S 45TH ST, BOULDER, CO 80305-6054 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 740 S 45TH ST, BOULDER, CO 80305-6054 |
| Transaction Type | Mortgage |
| Record Updated | Jun 3, 2021 |
| Title Company | WFG NATIONAL TITLE COMPANY, WFG NATIONAL TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003887369 |
|---|---|
| Date | May 24, 2021 |
| Instrument | 3887369 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Jun 1, 2041 |
The 2025 property tax bill for 740 S 45th St was $5,844.
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 | $61,928 (+1.03%) Land $28,445 Building $33,483 | $980,700 (-) Land $488,300 Building $492,400 | |
| 2025 | $5,844.00 | $61,294 Land $30,519 Building $30,775 | $980,700 Land $488,300 Building $492,400 |
| 2023 | $5,734.00 (+15.23%) | $70,089 (+30.8%) Land $36,066 Building $34,023 | $1,046,100 (+35.68%) Land $538,300 Building $507,800 |
| 2022 | $4,976.00 | $53,585 Land $26,848 Building $26,737 | $771,000 Land $386,300 Building $384,700 |
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 740 S 45th St in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 740 S 45th St is low, with a 0.04% 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 | 0.04% annual chance |
| Exposure | Indirect within ember reach |
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 678 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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