Boulder County property record for 4404 Mast Rd, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,688 sqft · built 1976 |
| Lot Size | 0.198 acres (8,623 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $540,000 (Apr 2017) |
| Tax Bill | $4,677 (2025) |
| Deeds & Mortgages | Aug 2022 Line of Credit Jul 2021 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-14-2-15-032 |
| Primary APN | 1463-14-2-15-032 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,688 sqft Living Area |
| Gross Area | 2,128 sqft |
| 1st Floor Area | 872 sqft |
| Basement Area | 816 sqft |
| Finished Basement | 816 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Bi-Level |
| Exterior Material | Wood Shake/Shingle |
| Construction Type | Frame |
| Lot Area | 8,623 sqft (0.198 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 42 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0070819 |
|---|---|
| Street Address | 4404 MAST RD |
| City | BOULDER |
| State | CO |
| Zip | 80301-3114 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 32 BLK 11 TWIN LAKES 2 REPLAT OF BLKS 10 11 & 12 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 14 |
| Legal Subdivision | TWIN LAKES 1,2 & REPLATS - BOV |
| Legal Block | 11,10 |
| Legal Lot Number | 32 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 12708 |
Source: Boulder County records, as of October 19, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 18, 2022 | Deed of Trust, Mortgage · Line of Credit SPRING EQ LLC |
| Jul 20, 2021 | Deed of Trust, Mortgage · Conventional Mortgage CALIBER HOME LOANS INC |
| Feb 15, 2017 | Deed of Trust, Mortgage · Conventional Mortgage COLONIAL NATIONAL MORTGAGE |
| Mar 13, 2020 | Deed of Trust, Mortgage · Conventional with PMI ELEVATIONS CU |
| Apr 27, 2017 | Warranty Deed, Transfer · Conventional with PMI CALIBER HM LOANS |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 27, 2017 · Amount on Record |
| Deed Sale | Apr 27, 2017 · Amount on Record |
| Prior Sale | Jun 4, 1996 · Amount on Record |
| Deed Document Number | 20173589163 |
| Prior Transfer Date | Mar 18, 2005 |
| Prior Transfer Doc | 0002674301 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Transaction Type | Mortgage |
| Record Updated | Aug 31, 2022 |
| Name | Verified Name |
|---|---|
| Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Document Number | 0003977534 |
|---|---|
| Date | Aug 18, 2022 |
| Instrument | 3977534 |
| Name | SPRING EQ LLC |
|---|---|
| Type | Mortgage Company |
| Address | FLINT, MI 48501 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 12, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Transaction Type | Mortgage |
| Record Updated | Aug 3, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0003901052 |
|---|---|
| Date | Jul 20, 2021 |
| Instrument | 3901052 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003575358 |
|---|---|
| Date | Feb 15, 2017 |
| Instrument | 3575358 |
| Name | COLONIAL NATIONAL MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | FORT WORTH, TX 76102 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Document Number | 0003773047 |
| Instrument Date | Mar 13, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 8, 2020 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Relationship | Sole Owner |
| Address | 4404 MAST RD BOULDER CO 803013114, BOULDER, CO 80301-3114 |
| Document Number | 0003773047 |
|---|---|
| Date | Mar 19, 2020 |
| Instrument | 3773047 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 18, 2050 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 27, 2017 |
| Property Address | 4404 MAST RD, BOULDER, CO 80301-3114 |
| Document Number | 0003589163 |
| Instrument Date | Apr 25, 2017 |
| Instrument | 3589163 |
| Transaction Type | Transfer |
| Record Updated | May 8, 2017 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $54.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4404 MAST RD BOULDER CO 803013114, BOULDER, CO 80301-3114 |
| Document Number | 3589164 |
|---|---|
| Date | Apr 27, 2017 |
| Instrument | 3589164 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVING, TX 75063 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 26, 2047 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $45,886 (-1.43%) Land $19,509 Building $26,377 | $744,800 (-) Land $356,900 Building $387,900 | |
| 2025 | $4,677.00 (+11.92%) | $46,550 (-6.01%) Land $22,306 Building $24,244 | $744,800 (+0.76%) Land $356,900 Building $387,900 |
| 2023 | $4,179.00 (+16.05%) | $49,527 (+34.56%) Land $21,333 Building $28,194 | $739,200 (+39.58%) Land $318,400 Building $420,800 |
| 2022 | $3,601.00 | $36,807 Land $16,242 Building $20,565 | $529,600 Land $233,700 Building $295,900 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · above 50% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 334 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 |
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