Boulder County property record for 1638 Grove St, Boulder, CO 80302
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 5 bd · 2 ba · 2,202 sqft · built 1910 |
| Lot Size | 0.126 acres (5,467 sqft) |
| Owner | Company Name on File |
| Last Sale | $448,793 (Sep 2010) |
| Tax Bill | $9,276 (2025) |
| Deeds & Mortgages | Aug 2026 Mortgage Apr 2021 Line of Credit + 2 more |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-30-3-65-011 |
| Primary APN | 1463-30-3-65-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,202 sqft Living Area |
| Gross Area | 3,263 sqft |
| 1st Floor Area | 1,245 sqft |
| Upper Floors Area | 957 sqft |
| Basement Area | 957 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Multi-Level |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 5,467 sqft (0.126 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 184 sqft |
| Deck Area | 400 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0001087 |
|---|---|
| Street Address | 1638 GROVE ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-6360 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 5 BLK 4 ORCHARD HOME |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | ORCHARD HOME - BO |
| Legal Block | 4 |
| Legal Lot Number | 5 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3052 |
| Census Tract | 12204 |
1638 Grove St, a residential property, is owned by a company that bought it in September 2010.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3145 5TH ST, BOULDER, CO 80304-2503 |
| Owner Type | Company |
| Vesting | Company |
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 |
|---|---|
| Aug 31, 2026 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF COLORADO |
| Apr 19, 2021 | Deed of Trust, Mortgage · Line of Credit BANK OF COLORADO |
| Feb 22, 2019 | Loan Modification, Mortgage · Conventional Mortgage FIRSTBANK |
| Feb 23, 2017 | Warranty Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 24, 2010 · Amount on File |
| Deed Sale | Sep 24, 2010 · Amount on File |
| Prior Sale | Aug 5, 1991 · Amount on File |
| Deed Document Number | 20103101126 |
| Prior Transfer Date | Aug 8, 2008 |
| Prior Transfer Doc | 0002951668 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 31, 2026 |
| Property Address | 1638 GROVE ST, BOULDER, CO 80302-6360 |
| Document Number | 0004145712 |
| Instrument Date | Aug 12, 2026 |
| Instrument | 20264145712 |
| Transaction Type | Mortgage |
| Record Updated | Sep 9, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Relationship | Limited Liability Partnership, 266 |
| Address | 3145 5TH ST, BOULDER, CO 80304-2503 |
| Document Number | 0004145712, |
|---|---|
| Date | Aug 31, 2026 |
| Instrument | 20264145712 |
| Name | BANK OF COLORADO |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Aug 12, 2036 |
| Rate Type | Adjustable Rate |
|---|---|
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1638 GROVE ST, BOULDER, CO 80302-6360 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2022 |
| Title Company | HERITAGE TITLE COMPANY, HERITAGE TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0003877781 |
|---|---|
| Date | Apr 19, 2021 |
| Instrument | 3877781 |
| Name | BANK OF COLORADO |
|---|---|
| Type | Bank |
| Address | BOULDER, CO 80302 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 60 Months |
| Due | Apr 26, 2026 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1638 GROVE ST, BOULDER, CO 80302-6360 |
| Document Number | 0003700123 |
| Instrument Date | Feb 22, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Mar 8, 2019 |
| Name | Verified Name |
|---|---|
| Address | 3145 5TH ST BOULDER CO 803042503, BOULDER, CO 80304-2503 |
| Document Number | 0003700123 |
|---|---|
| Date | Mar 1, 2019 |
| Instrument | 3700123 |
| Name | FIRSTBANK |
|---|---|
| Type | Bank |
| Address | LAKEWOOD, CO 80215 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Feb 29, 2020 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 7.25% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Feb 23, 2017 |
| Property Address | 1638 GROVE ST, BOULDER, CO 80302-6360 |
| Document Number | 0003576821 |
| Instrument Date | Feb 22, 2017 |
| Instrument | 3576821 |
| Transaction Type | Transfer |
| Record Updated | Mar 10, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3145 5TH ST BOULDER CO 803042503, BOULDER, CO 80304-2503 |
The 2025 property tax bill for 1638 Grove St was $9,276, down 1.1% from the year before.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $99,253 (+3.82%) Land $47,886 Building $51,367 | $1,529,600 (-) Land $774,200 Building $755,400 | |
| 2025 | $9,276.00 (-1.13%) | $95,601 Land $48,388 Building $47,213 | $1,529,600 Land $774,200 Building $755,400 |
| 2024 | $9,382.00 (+1.82%) | ||
| 2023 | $9,214.00 (+20.21%) | $108,647 (+35.61%) Land $56,052 Building $52,595 | $1,621,600 (+37.63%) Land $836,600 Building $785,000 |
| 2022 | $7,665.00 | $80,117 Land $41,473 Building $38,644 | $1,178,200 Land $609,900 Building $568,300 |
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.
FEMA maps place 1638 Grove St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 63 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 72 units insured incl. 9 condo units |
| Nearby Flood Claims | 15 (1983–2013) |
| Claims Outside the SFHA | 1 of 15 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 1638 Grove St is low, with 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 93% of the US · lower than 97.2% of Colorado |
|---|---|
| Wildfire Likelihood | 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 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 432 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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