Boulder County property record for 400 Sumner St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 1.5 ba · 2,260 sqft · built 1949 |
| Lot Size | 0.142 acres (6,184 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $100,000 (Sep 2024) |
| Tax Bill | $4,905 (2025) |
| Deeds & Mortgages | Jun 2023 Sale Jul 2021 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-04-1-24-010 |
| Primary APN | 1315-04-1-24-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 2,260 sqft Living Area |
| Gross Area | 2,708 sqft |
| 1st Floor Area | 1,588 sqft |
| Basement Area | 1,120 sqft |
| Finished Basement | 672 sqft |
| Unfinished Basement | 448 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Roof Material | Asphalt |
| Lot Area | 6,184 sqft (0.142 acres) |
| Garage Type | Detached |
| Garage Area | 396 sqft |
| Parking Spaces | 1 Parking Space |
| Patio Area | 503 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0041734 |
|---|---|
| Street Address | 400 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4864 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 19-20 BLK 4 CAPITOL HILL SURFACE ONLY RECPT 481495 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | CAPITOL HILL - LG |
| Legal Block | 4 |
| Legal Lot Number | 19 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 13302 |
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 | 400 SUMNER ST, LONGMONT, CO 80501-4864 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 28, 2023 | Warranty Deed, Transfer FIRST AMERICAN TITLE |
| Jul 8, 2021 | Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU |
| Sep 22, 2020 | Deed of Trust, Mortgage · Line of Credit ANB BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 19, 2024 · Amount on Record |
| Deed Sale | Sep 19, 2024 · Amount on Record |
| Prior Sale | Jun 28, 2023 · Amount on Record |
| Deed Document Number | 20244060915 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 28, 2023 |
| Property Address | 400 SUMNER ST, LONGMONT, CO 80501-4864 |
| Document Number | 0004012481 |
| Instrument Date | Jun 15, 2023 |
| Instrument | 4012481 |
| Transaction Type | Transfer |
| Record Updated | Jul 28, 2023 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $74.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 400 SUMNER ST # 2, 2, LONGMONT, CO 80501-4864 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jul 8, 2021 |
| Property Address | 400 SUMNER ST, LONGMONT, CO 80501-4864 |
| Document Number | 0003898289 |
| Instrument Date | Jun 25, 2021 |
| Instrument | 3898289 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $70.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 326 BROSS ST, 326, LONGMONT, CO 80501-5428 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 400 SUMNER ST, LONGMONT, CO 80501-4864 |
| Document Number | 0003898290 |
|---|---|
| Date | Jul 8, 2021 |
| Instrument | 3898290 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 400 SUMNER ST, LONGMONT, CO 80501-4864 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0003817258 |
|---|---|
| Date | Sep 22, 2020 |
| Instrument | 3817258 |
| Name | ANB BANK |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $46,084 (-1.38%) Land $5,304 Building $40,780 | $747,700 (-) Land $148,000 Building $599,700 | |
| 2025 | $4,905.00 (+33.14%) | $46,731 (+9.36%) Land $9,250 Building $37,481 | $747,700 (+17.23%) Land $148,000 Building $599,700 |
| 2023 | $3,684.00 (+21.79%) | $42,733 (+39.77%) Land $10,352 Building $32,381 | $637,800 (+44.99%) Land $154,500 Building $483,300 |
| 2022 | $3,025.00 | $30,573 Land $7,617 Building $22,956 | $439,900 Land $109,600 Building $330,300 |
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 | 1 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 | Low lower than 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 506 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 |
| Verizon Fixed Wireless | 300 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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