Boulder County property record for 615 S 45th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 2,322 sqft · built 1958 |
| Lot Size | 0.164 acres (7,155 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $955,000 (Mar 2023) |
| Tax Bill | $6,447 (2025) |
| Deeds & Mortgages | Mar 2023 Sale & Mortgage Aug 2021 Line of Credit + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-03-029 |
| Primary APN | 1577-08-1-03-029 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,322 sqft Living Area |
| Gross Area | 2,442 sqft |
| 1st Floor Area | 1,222 sqft |
| Basement Area | 1,220 sqft |
| Finished Basement | 1,100 sqft |
| Unfinished Basement | 120 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,155 sqft (0.164 acres) |
| Garage Type | Detached |
| Garage Area | 273 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 70 sqft |
| Cooling System | Evaporative |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0010607 |
|---|---|
| Street Address | 615 S 45TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-6051 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 29 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 | 29 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 12508 |
Source: Boulder County records · APN 1577-08-1-03-029
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 Individual Names on File |
|---|---|
| Mailing Address | 615 S 45TH ST, BOULDER, CO 80305-6051 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 22, 2023 | Special Warranty Deed, Transfer · Conventional Mortgage LUMINATE HOME LOANS INC |
| Aug 30, 2021 | Deed of Trust, Mortgage · Line of Credit COLORADO CU |
| Apr 12, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC |
| Feb 16, 2017 | Deed of Trust, Mortgage · ARM UBS BANK USA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 22, 2023 · Amount on Record |
| Deed Sale | Mar 22, 2023 · Amount on Record |
| Prior Sale | Apr 16, 2014 · Amount on Record |
| Deed Document Number | 20234000953 |
| Record Updated | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Mar 22, 2023 |
| Property Address | 615 S 45TH ST, BOULDER, CO 80305-6051 |
| Document Number | 0004000953 |
| Instrument Date | Mar 15, 2023 |
| Instrument | 4000953 |
| Transaction Type | Transfer |
| Record Updated | Mar 30, 2023 |
| Title Company | LAND TITLE GUARANTEE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $95.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 4148 CLIFTON CT, BOULDER, CO 80301-1711 |
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 615 S 45TH ST, BOULDER, CO 80305-6051 |
| Document Number | 0004000954 |
|---|---|
| Date | Mar 22, 2023 |
| Instrument | 4000954 |
| Name | LUMINATE HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | MINNEAPOLIS, MN 55405 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Apr 01, 2038 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 615 S 45TH ST, BOULDER, CO 80305-6051 |
| Transaction Type | Mortgage |
| Record Updated | Sep 07, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003910171 |
|---|---|
| Date | Aug 30, 2021 |
| Instrument | 3910171 |
| Name | COLORADO CU |
|---|---|
| Type | Credit Union |
| Address | LITTLETON, CO 80127 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Aug 15, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 615 S 45TH ST, BOULDER, CO 80305-6051 |
| Transaction Type | Mortgage |
| Record Updated | Apr 21, 2021 |
| Title Company | FIRST INTEGRITY TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003876291 |
|---|---|
| Date | Apr 12, 2021 |
| Instrument | 3876291 |
| Name | CHERRY CREEK MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Address | ENGLEWOOD, CO 80111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 615 S 45TH ST, BOULDER, CO 80305-6051 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003575689 |
|---|---|
| Date | Feb 16, 2017 |
| Instrument | 3575689 |
| Name | UBS BANK USA |
|---|---|
| Type | Bank |
| Address | SALT LAKE CITY, UT 84111 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
| Type Change Date | Mar 01, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8.37% |
| Index | 1-Year LIBOR |
| Max Rate | 8.37% |
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 | $73,569 (+8.8%) Land $32,354 Building $41,215 | $1,081,900 (-) Land $475,800 Building $606,100 | |
| 2025 | $6,447.00 (+1.82%) | $67,619 (-12.2%) Land $29,738 Building $37,881 | $1,081,900 (-5.88%) Land $475,800 Building $606,100 |
| 2023 | $6,332.00 (+17.72%) | $77,017 (+32.95%) Land $35,142 Building $41,875 | $1,149,500 (+37.91%) Land $524,500 Building $625,000 |
| 2022 | $5,379.00 | $57,928 Land $26,160 Building $31,768 | $833,500 Land $376,400 Building $457,100 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130125083, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 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 |
| 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 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 678 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CO0107152, 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures