Boulder County property record for 231 Sumner St, Longmont, CO 80501 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 1973 |
| Square Footage | 1,542 sqft Living Area |
| Lot Size | 4,461 sqft (0.102 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $650,000 (2026) |
| Tax Bill | $3,214.00 (2025) |
| Primary APN | 1315-04-4-11-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,542 sqft Living Area |
| 1st Floor | 771 sqft 1st Floor |
| Basement Area | 771 sqft Basement |
| Finished Basement | 231 sqft Finished |
| Unfinished Basement | 540 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 4,461 sqft (0.102 acres) |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0040672 |
|---|---|
| Street Address | 231 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4863 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | S 50 FT LOT 1 & N 12 FT LOT 4 BLK 7 R-S RESUB BLK 9 W 1/2 BLK 7 KENT & DAVIS ADDN TO LONGMONT |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | R & S RESUB - LG |
| Legal Block | 7,9 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 4 |
| Census Block | 4018 |
| Census Tract | 13302 |
Source: Boulder County records · APN 1315-04-4-11-006
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 | Individual Owner on File |
|---|---|
| Mailing Address | 231 SUMNER ST, LONGMONT, CO 80501-4863 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Apr 28, 2026 | Warranty Deed, Transfer · Conventional Mortgage NATIONAL HOME MORTGAGE CORPORATION |
| Jan 11, 2023 | Special Warranty Deed, Transfer · Federal Housing Administration (FHA) Mortgage CMG MORTGAGE INC |
| Feb 21, 2020 | Warranty Deed, Transfer · Building or Construction Mortgage FINANCE OF AMERICA COM'L LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20264129673 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 28, 2026 |
| Property Address | 231 SUMNER ST, LONGMONT, CO 80501-4863 |
| Document Number | 0004129673 |
| Instrument Date | Apr 24, 2026 |
| Instrument | 2026.4129673 |
| Transaction Type | Transfer |
| Record Updated | May 08, 2026 |
| Title Company | LAND TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $6,565.00 |
| Amount Accuracy | Calculated from Tax (Full/Partial Unknown) |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 231 SUMNER ST, LONGMONT, CO 80501-4863 |
| Document Number | 0004129674, |
|---|---|
| Date | Apr 28, 2026 |
| Instrument | 2026..4129674 |
| Name | NATIONAL HOME MORTGAGE CORPORATION |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | May 01, 2046 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.11% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 11, 2023 |
| Property Address | 231 SUMNER ST, LONGMONT, CO 80501-4863 |
| Document Number | 0003994377 |
| Instrument Date | Jan 09, 2023 |
| Instrument | 3994377 |
| Transaction Type | Transfer |
| Record Updated | Jan 17, 2023 |
| Title Company | LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $57.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 1298 MAIN ST # 4131, 4131, WINDSOR, CO 80550-7904 |
| Name | Verified Name |
|---|---|
| Address | 231 SUMNER ST, LONGMONT, CO 80501-4863 |
| Document Number | 0003994378 |
|---|---|
| Date | Jan 11, 2023 |
| Instrument | 3994378 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Federal Housing Administration (FHA) Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.25% |
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Type Change Date | Feb 01, 2033 |
| Change Frequency | 7 Years |
| Min Rate At Change | 3% |
| Max Rate At Change | 10.2% |
| Index | Other |
| Margin | 3 |
| Max Rate | 10.2% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 21, 2020 |
| Property Address | 231 SUMNER ST, LONGMONT, CO 80501-4863 |
| Document Number | 0003767487 |
| Instrument Date | Feb 20, 2020 |
| Instrument | 3767487 |
| Transaction Type | Transfer |
| Record Updated | Mar 06, 2020 |
| Title Company | LAND TITLE GUARANTEE |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $29.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1298 MAIN ST #4131 WINDSOR CO 805507904, 4131, WINDSOR, CO 80550-7904 |
| Document Number | 3767488 |
|---|---|
| Date | Feb 21, 2020 |
| Instrument | 3767488 |
| Name | FINANCE OF AMERICA COM'L LLC |
|---|---|
| Address | LISLE, IL 60532 |
| Type | Building or Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Feb 20, 2021 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (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 | $33,320 (+8.8%) Land $8,548 Building $24,772 | $490,000 (-) Land $125,700 Building $364,300 | |
| 2025 | $3,214.00 (+4.32%) | $30,625 (-14.69%) Land $7,856 Building $22,769 | $490,000 (-8.55%) Land $125,700 Building $364,300 |
| 2024 | $3,081.00 (+1.38%) | ||
| 2023 | $3,039.00 (+24.96%) | $35,898 (+46.03%) Land $8,790 Building $27,108 | $535,800 (+51.48%) Land $131,200 Building $404,600 |
| 2022 | $2,432.00 | $24,582 Land $6,422 Building $18,160 | $353,700 Land $92,400 Building $261,300 |
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