Boulder County property record for 345 Sumner St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 1,586 sqft · built 1949 |
| Lot Size | 0.147 acres (6,388 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $662,000 (Jun 2022) |
| Tax Bill | $4,601 (2025) |
| Deeds & Mortgages | Jun 2022 Mortgage Jun 2022 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-04-1-26-001 |
| Primary APN | 1315-04-1-26-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,586 sqft Living Area |
| Gross Area | 2,164 sqft |
| 1st Floor Area | 1,082 sqft |
| Basement Area | 1,082 sqft |
| Finished Basement | 504 sqft |
| Unfinished Basement | 578 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,388 sqft (0.147 acres) |
| Garage Type | Detached |
| Garage Area | 384 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 144 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0044792 |
|---|---|
| Street Address | 345 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4830 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 45-46 BLK 2 CAPITOL HILL |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | CAPITOL HILL - LG |
| Legal Block | 2 |
| Legal Lot Number | 45 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 13302 |
345 Sumner St is owned by two individuals who bought it in June 2022.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1219 LEFTHAND DR, LONGMONT, CO 80501-6513 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
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 |
|---|---|
| Jun 28, 2022 | Deed of Trust, Mortgage · Conventional Mortgage BOARDRE INC |
| Jun 14, 2022 | Special Warranty Deed, Transfer · Conventional Mortgage BOARDRE INC |
| Jun 26, 2020 | Quit Claim Deed, Transfer ELEVATIONS CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 14, 2022 · Amount on File |
| Deed Sale | Jun 14, 2022 · Amount on File |
| Prior Sale | Aug 29, 2008 · Amount on File |
| Deed Document Number | 20223967039 |
| Prior Transfer Date | Jun 22, 2020 |
| Prior Transfer Doc | 0003794289 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 345 SUMNER ST, LONGMONT, CO 80501-4830 |
| Transaction Type | Mortgage |
| Record Updated | Jul 20, 2022 |
| Name | Verified Name |
|---|---|
| Address | 345 SUMNER ST, LONGMONT, CO 80501-4830 |
| Document Number | 0003969265 |
|---|---|
| Date | Jun 28, 2022 |
| Instrument | 3969265 |
| Name | BOARDRE INC |
|---|---|
| Type | Non-Lending Institution |
| Address | DENVER, CO 80206 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 14, 2022 |
| Property Address | 345 SUMNER ST, LONGMONT, CO 80501-4830 |
| Document Number | 0003967039 |
| Instrument Date | Jun 10, 2022 |
| Instrument | 3967039 |
| Transaction Type | Transfer |
| Record Updated | Jun 29, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $66.20 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 345 SUMNER ST, LONGMONT, CO 80501-4830 |
| Document Number | 0003967320 |
|---|---|
| Date | Jun 15, 2022 |
| Instrument | 3967320 |
| Name | BOARDRE INC |
|---|---|
| Type | Non-Lending Institution |
| Address | DENVER, CO 80206 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 1 Months |
| Due | Jul 7, 2022 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 26, 2020 |
| Property Address | 345 SUMNER ST, LONGMONT, CO 80501-4830 |
| Document Number | 0003794289 |
| Instrument Date | Jun 22, 2020 |
| Instrument | 3794289 |
| Transaction Type | Transfer |
| Record Updated | Jul 24, 2020 |
| Title Company | WFG NATIONAL TITLE INSURANCE, WFG NAT'L TITLE INS |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 345 SUMNER ST LONGMONT CO 805014830, LONGMONT, CO 80501-4830 |
| Document Number | 3794290 |
|---|---|
| Date | Jun 26, 2020 |
| Instrument | 3794290 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Jun 25, 2050 |
The 2025 property tax bill for 345 Sumner St was $4,601.
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 | $42,928 (-2.06%) Land $5,467 Building $37,461 | $701,300 (-) Land $150,400 Building $550,900 | |
| 2025 | $4,601.00 | $43,831 Land $9,400 Building $34,431 | $701,300 Land $150,400 Building $550,900 |
| 2023 | $4,139.00 (+51.89%) | $47,563 (+72.69%) Land $10,519 Building $37,044 | $709,900 (+79.13%) Land $157,000 Building $552,900 |
| 2022 | $2,725.00 | $27,543 Land $7,742 Building $19,801 | $396,300 Land $111,400 Building $284,900 |
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.
FEMA maps place 345 Sumner 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 | 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.
Wildfire risk around 345 Sumner St is low, with less than a 0.01% annual chance of wildfire.
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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