Boulder County property record for 4415 Maxwell Ave, Longmont, CO 80503
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,732 sqft · built 2018 |
| Lot Size | 0.114 acres (4,979 sqft) |
| Owner | Individual Name on File |
| Last Sale | $644,310 (May 2019) |
| Tax Bill | $5,841 (2025) |
| Deeds & Mortgages | May 2019 Sale Jun 2018 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-18-3-14-019 |
| Primary APN | 1315-18-3-14-019 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 2,732 sqft Living Area |
| Gross Area | 3,621 sqft |
| 1st Floor Area | 1,662 sqft |
| Basement Area | 1,494 sqft |
| Finished Basement | 1,070 sqft |
| Unfinished Basement | 424 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Architectural Style | Duplex Single |
| Exterior Material | Composition/Composite |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 4,979 sqft (0.114 acres) |
| Garage Type | Attached |
| Garage Area | 465 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 42 sqft |
| Patio Area | 253 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0607897 |
|---|---|
| Street Address | 4415 MAXWELL AVE |
| City | LONGMONT |
| State | CO |
| Zip | 80503-4191 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 19 BLK 4 TRAMONTO REPLAT A |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 18 |
| Legal Subdivision | TRAMONTO REP A |
| Legal Block | 4 |
| Legal Lot Number | 19 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 13214 |
4415 Maxwell Ave is owned and occupied by an individual who bought it in May 2019.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4415 MAXWELL AVE, LONGMONT, CO 80503-4191 |
| 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 31, 2019 | Grant Deed, Transfer LAND TITLE GUARANTEE |
| Jun 11, 2018 | Loan Modification, Mortgage · Line of Credit VECTRA BK/CO |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 31, 2019 · Amount on File |
| Deed Sale | May 31, 2019 · Amount on File |
| Deed Document Number | 20193715347 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 31, 2019 |
| Property Address | 4415 MAXWELL AVE, LONGMONT, CO 80503-4191 |
| Document Number | 0003715347 |
| Instrument Date | May 30, 2019 |
| Instrument | 3715347 |
| Transaction Type | Transfer |
| Record Updated | Jun 12, 2019 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount on Record |
|---|---|
| Tax | $64.43 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4415 MAXWELL AVE LONGMONT CO 805034191, LONGMONT, CO 80503-4191 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 11, 2018 |
| Property Address | 4415 MAXWELL AVE, LONGMONT, CO 80503-4191 |
| Instrument Date | May 15, 2018 |
| Instrument | 3659798 |
| Transaction Type | Mortgage |
| Record Updated | Jun 22, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 4557 MAXWELL AVE LONGMONT CO 805034192, LONGMONT, CO 80503-4192 |
| Document Number | 0003659798 |
|---|---|
| Date | Jun 11, 2018 |
| Instrument | 3659798 |
| Name | VECTRA BK/CO |
|---|---|
| Type | Bank |
| Address | 2000 S COLORADO BLVD # 2-1200, DENVER, CO 80222-7933 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 4415 Maxwell Ave was $5,841.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $55,787 (+0.25%) Land $4,359 Building $51,428 | $890,400 (-) Land $134,100 Building $756,300 | |
| 2025 | $5,841.00 | $55,650 Land $8,381 Building $47,269 | $890,400 Land $134,100 Building $756,300 |
| 2023 | $4,873.00 (+8.8%) | $55,342 (+22.24%) Land $8,911 Building $46,431 | $826,000 (+26.8%) Land $133,000 Building $693,000 |
| 2022 | $4,479.00 | $45,272 Land $6,811 Building $38,461 | $651,400 Land $98,000 Building $553,400 |
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.
FEMA maps place 4415 Maxwell Ave 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 4415 Maxwell Ave is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 70% of Colorado |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | None beyond 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 LONGMONT serves 104,178 people · EPA ID CO0107485 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2025 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 298 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| NextLight Fiber | 10,000 / 10,000 |
| Xfinity Cable | 1,200 / 35 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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